United Water NY (NY) Water Quality

United Water NY is a large public water system in EPA region 02 that provides tap water for the 10901, 10913, 10923, 10931, 10954, 10960, 10964, 10965, 10970, 10976, 10977, 10982 - 10984, 10989, 10994 zip codes. It has 35 facilities where the water supply was tested for 23 chemical contaminants that impact tap water quality and human health.

Contaminants

1-butanol

1-butanol is a class of Alcohol that has a minimum reporting level of 2 µg/L and a reference level of 700 µg/L. All the latest water samples for United Water NY showed levels of 1-butanol that were below unsafe concentration levels. The maximum reported value was 3.35 µg/L. Learn more about 1-butanol.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<2.0 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<2.0 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<2.0 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<2.0 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<2.0 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
2/5/2020
61 months ago
2.13 µg/L
Meets Reporting Threshold
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<2.0 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<2.0 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
2/5/2020
61 months ago
<2.0 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<2.0 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
2/5/2020
61 months ago
<2.0 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<2.0 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<2.0 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
1/30/2020
61 months ago
<2.0 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
1/30/2020
61 months ago
<2.0 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<2.0 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
6/12/2019
68 months ago
<2.0 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<2.0 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<2.0 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
6/5/2019
69 months ago
<2.0 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<2.0 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<2.0 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<2.0 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<2.0 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<2.0 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<2.0 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<2.0 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<2.0 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<2.0 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<2.0 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
12/18/2019
62 months ago
<2.0 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<2.0 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
3.35 µg/L
Meets Reporting Threshold
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<2.0 µg/L
Below Reporting Level

2-methoxyethanol

2-methoxyethanol is a class of Alcohol that has a minimum reporting level of 0.4 µg/L and a reference level of 21 µg/L. All the latest water samples for United Water NY showed levels of 2-methoxyethanol that were below unsafe concentration levels. Learn more about 2-methoxyethanol.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.4 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
2/5/2020
61 months ago
<0.4 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.4 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
2/5/2020
61 months ago
<0.4 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
2/5/2020
61 months ago
<0.4 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
1/30/2020
61 months ago
<0.4 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
1/30/2020
61 months ago
<0.4 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.4 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
6/12/2019
68 months ago
<0.4 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
6/5/2019
69 months ago
<0.4 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.4 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
12/18/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.4 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.4 µg/L
Below Reporting Level

2-propen-1-ol (Allyl Alcohol)

2-propen-1-ol (Allyl Alcohol) is a class of Alcohol that has a minimum reporting level of 0.5 µg/L and a reference level of 35 µg/L. All the latest water samples for United Water NY showed levels of 2-propen-1-ol (Allyl Alcohol) that were below unsafe concentration levels. Learn more about 2-propen-1-ol (Allyl Alcohol).

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.5 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.5 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.5 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.5 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.5 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
2/5/2020
61 months ago
<0.5 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.5 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.5 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
2/5/2020
61 months ago
<0.5 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.5 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
2/5/2020
61 months ago
<0.5 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.5 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.5 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
1/30/2020
61 months ago
<0.5 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
1/30/2020
61 months ago
<0.5 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.5 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
6/12/2019
68 months ago
<0.5 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.5 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.5 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
6/5/2019
69 months ago
<0.5 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.5 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.5 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.5 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.5 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.5 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.5 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.5 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.5 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.5 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.5 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
12/18/2019
62 months ago
<0.5 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.5 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.5 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.5 µg/L
Below Reporting Level

HAA5 (five regulated haloacetic acids)

HAA5 (five regulated haloacetic acids) are a class of Disinfection Byproducts that includes Dibromoacetic Acid, Dichloroacetic Acid, Monobromoacetic Acid, Monochloroacetic Acid, Trichloroacetic Acid and has a minimum reporting level of 0.5 µg/L and a reference level of 60 µg/L. All the latest water samples for United Water NY showed levels of HAA5 (five regulated haloacetic acids) that were below unsafe concentration levels. The maximum reported value was 40.195 µg/L. Learn more about HAA5 (five regulated haloacetic acids).

40.195µg/L
SD28 HAVERSTRAW
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
11.993 µg/L
Meets Reporting Threshold
SD16 UPPER NYACK
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
40.195 µg/L
⚠️ Exceeds 50% of Reference Level
SD 2 SPARKILL
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
29.921 µg/L
Meets Reporting Threshold
SD 3 ORANGEBURG
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
29.895 µg/L
Meets Reporting Threshold
SD 4 BLAUVELT
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
29.928 µg/L
Meets Reporting Threshold
SD 5 BLAUVELT
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
29.71 µg/L
Meets Reporting Threshold
SD11 VALLEY COTTAGE
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
33.916 µg/L
⚠️ Exceeds 50% of Reference Level
SD15 CONGERS
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
29.773 µg/L
Meets Reporting Threshold
SD43 VALLEY COTTAGE
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
33.506 µg/L
⚠️ Exceeds 50% of Reference Level
SD44 NEW CITY
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
24.946 µg/L
Meets Reporting Threshold
M-SD54 HAVERSTRAW
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
12.53 µg/L
Meets Reporting Threshold
SD108 ORANGEBURG
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
30.089 µg/L
⚠️ Exceeds 50% of Reference Level
M-SD110 STONY POINT
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
5.29 µg/L
Meets Reporting Threshold

HAA6Br (six brominated haloacetic acids)

HAA6Br (six brominated haloacetic acids) are a class of Disinfection Byproducts that includes Bromochloroacetic Acid, Bromodichloroacetic Acid, Dibromoacetic Acid, Dibromochloroacetic Acid, Monobromoacetic Acid, Tribromoacetic Acid and has a minimum reporting level of 0 µg/L and is a potential threat to human health. Learn more about HAA6Br (six brominated haloacetic acids).

SD28 HAVERSTRAW
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
7.763 µg/L
SD16 UPPER NYACK
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
15.655 µg/L
SD 2 SPARKILL
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
12.711 µg/L
SD 3 ORANGEBURG
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
12.598 µg/L
SD 4 BLAUVELT
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
12.196 µg/L
SD 5 BLAUVELT
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
12.541 µg/L
SD11 VALLEY COTTAGE
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
13.178 µg/L
SD15 CONGERS
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
9.514 µg/L
SD43 VALLEY COTTAGE
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
13.434 µg/L
SD44 NEW CITY
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
9.81 µg/L
M-SD54 HAVERSTRAW
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
8.528 µg/L
SD108 ORANGEBURG
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
13.003 µg/L
M-SD110 STONY POINT
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
6.24 µg/L

HAA9 (nine haloacetic acids)

HAA9 (nine haloacetic acids) are a class of Disinfection Byproducts that includes Bromochloroacetic Acid, Bromodichloroacetic Acid, Chlorodibromoacetic Acid, Dibromoacetic Acid, Dichloroacetic Acid, Monobromoacetic Acid, Monochloroacetic Acid, Tribromoacetic Acid, Trichloroacetic Acid and has a minimum reporting level of 0 µg/L and is a potential threat to human health. Learn more about HAA9 (nine haloacetic acids).

SD28 HAVERSTRAW
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
18.823 µg/L
SD16 UPPER NYACK
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
54.655 µg/L
SD 2 SPARKILL
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
41.511 µg/L
SD 3 ORANGEBURG
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
41.398 µg/L
SD 4 BLAUVELT
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
40.996 µg/L
SD 5 BLAUVELT
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
41.141 µg/L
SD11 VALLEY COTTAGE
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
46.078 µg/L
SD15 CONGERS
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
38.914 µg/L
SD43 VALLEY COTTAGE
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
45.834 µg/L
SD44 NEW CITY
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
34.21 µg/L
M-SD54 HAVERSTRAW
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
20.038 µg/L
SD108 ORANGEBURG
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
42.003 µg/L
M-SD110 STONY POINT
SWNY DISTRIBUTION SYSTEM
2/5/2020
61 months ago
10.51 µg/L

alpha-hexachlorocyclohexane

alpha-hexachlorocyclohexane is a chemical contaminant that has a reference level of 0.006 µg/L. All the latest water samples for United Water NY showed levels of alpha-hexachlorocyclohexane that were below unsafe concentration levels. Learn more about alpha-hexachlorocyclohexane.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.01 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.01 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.01 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.01 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.01 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.01 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.01 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.01 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.01 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.01 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.01 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.01 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.01 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.01 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.01 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
2/26/2020
60 months ago
<0.01 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.01 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.01 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.01 µg/L
Below Reporting Level

anatoxin-a

anatoxin-a is a chemical contaminant that is a potential threat to human health. Learn more about anatoxin-a.

Lake Deforest Plant Effluent
Lake Deforest Plant
10/15/2019
64 months ago
<0.03 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
10/15/2019
64 months ago
<0.03 µg/L
Below Reporting Level

Butylated Hydroxyanisole

Butylated Hydroxyanisole is a chemical contaminant that is a potential threat to human health. Learn more about Butylated Hydroxyanisole.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.03 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.03 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.03 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.03 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.03 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
12/18/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.03 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.03 µg/L
Below Reporting Level

chlorpyrifos

chlorpyrifos is a chemical contaminant that has a reference level of 2 µg/L. All the latest water samples for United Water NY showed levels of chlorpyrifos that were below unsafe concentration levels. Learn more about chlorpyrifos.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.03 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.03 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.03 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.03 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.03 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
2/26/2020
60 months ago
<0.03 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.03 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.03 µg/L
Below Reporting Level

cylindrospermopsin

cylindrospermopsin is a chemical contaminant that has a reference level of 0.7 µg/L. All the latest water samples for United Water NY showed levels of cylindrospermopsin that were below unsafe concentration levels. Learn more about cylindrospermopsin.

Lake Deforest Plant Effluent
Lake Deforest Plant
10/15/2019
64 months ago
<0.09 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
10/15/2019
64 months ago
<0.09 µg/L
Below Reporting Level

dimethipin

dimethipin is a chemical contaminant that has a reference level of 140 µg/L. All the latest water samples for United Water NY showed levels of dimethipin that were below unsafe concentration levels. Learn more about dimethipin.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.2 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.2 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.2 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.2 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.2 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
2/26/2020
60 months ago
<0.2 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.2 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.2 µg/L
Below Reporting Level

ethoprop

ethoprop is a chemical contaminant that has a reference level of 1.14 µg/L. All the latest water samples for United Water NY showed levels of ethoprop that were below unsafe concentration levels. Learn more about ethoprop.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.03 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.03 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.03 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.03 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.03 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.03 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
2/26/2020
60 months ago
<0.03 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.03 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.03 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.03 µg/L
Below Reporting Level

Germanium

Germanium is a chemical contaminant that is a potential threat to human health. Learn more about Germanium.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.3 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.3 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.3 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.3 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.3 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
12/18/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.3 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.3 µg/L
Below Reporting Level

Manganese

Manganese is a chemical contaminant that has a reference level of 300 µg/L. All the latest water samples for United Water NY showed levels of Manganese that were below unsafe concentration levels. The maximum reported value was 290 µg/L. Learn more about Manganese.

290µg/L
Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
.612 µg/L
Meets Reporting Threshold
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
2.04 µg/L
Meets Reporting Threshold
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
4.11 µg/L
Meets Reporting Threshold
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
.438 µg/L
Meets Reporting Threshold
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
7.37 µg/L
Meets Reporting Threshold
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
290 µg/L
⚠️ Exceeds 50% of Reference Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
.652 µg/L
Meets Reporting Threshold
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
.417 µg/L
Meets Reporting Threshold
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
1.08 µg/L
Meets Reporting Threshold
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
9.97 µg/L
Meets Reporting Threshold
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.4 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.4 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
12/18/2019
62 months ago
4.84 µg/L
Meets Reporting Threshold
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.4 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
3.16 µg/L
Meets Reporting Threshold
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
.55 µg/L
Meets Reporting Threshold

o-toluidine

o-toluidine is a chemical contaminant that is a potential threat to human health. Learn more about o-toluidine.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.007 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.007 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.007 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.007 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.007 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.007 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.007 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.007 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.007 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.007 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.007 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.007 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.007 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.007 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.007 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
12/18/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.007 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.007 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.007 µg/L
Below Reporting Level

oxyfluorfen

oxyfluorfen is a chemical contaminant that has a reference level of 200 µg/L. All the latest water samples for United Water NY showed levels of oxyfluorfen that were below unsafe concentration levels. Learn more about oxyfluorfen.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.05 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.05 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.05 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.05 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.05 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.05 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.05 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.05 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.05 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.05 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.05 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.05 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.05 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.05 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.05 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
2/26/2020
60 months ago
<0.05 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.05 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.05 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.05 µg/L
Below Reporting Level

profenofos

profenofos is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for United Water NY showed levels of profenofos that were below unsafe concentration levels. Learn more about profenofos.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.3 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.3 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.3 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.3 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.3 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.3 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
2/26/2020
60 months ago
<0.3 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.3 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.3 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.3 µg/L
Below Reporting Level

quinoline

quinoline is a chemical contaminant that has a reference level of 0.01 µg/L. All the latest water samples for United Water NY showed levels of quinoline that were below unsafe concentration levels. Learn more about quinoline.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.02 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.02 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.02 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.02 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.02 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.02 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.02 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.02 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.02 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.02 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.02 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.02 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.02 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.02 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.02 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
12/18/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.02 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.02 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.02 µg/L
Below Reporting Level

tebuconazole

tebuconazole is a chemical contaminant that has a reference level of 190 µg/L. All the latest water samples for United Water NY showed levels of tebuconazole that were below unsafe concentration levels. Learn more about tebuconazole.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.2 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.2 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.2 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.2 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.2 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.2 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
2/26/2020
60 months ago
<0.2 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.2 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.2 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.2 µg/L
Below Reporting Level

Total Microcystin

Total Microcystin is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for United Water NY showed levels of Total Microcystin that were below unsafe concentration levels. Learn more about Total Microcystin.

Lake Deforest Plant Effluent
Lake Deforest Plant
10/15/2019
64 months ago
<0.3 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
10/15/2019
64 months ago
<0.3 µg/L
Below Reporting Level

Total Permethrin

Total Permethrin is a chemical contaminant that has a reference level of 3.344 µg/L. All the latest water samples for United Water NY showed levels of Total Permethrin that were below unsafe concentration levels. The maximum reported value was 0.048 µg/L. Learn more about Total Permethrin.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.04 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.04 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
.048 µg/L
Meets Reporting Threshold
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.04 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.04 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.04 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.04 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.04 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.04 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.04 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.04 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.04 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.04 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.04 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.04 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.04 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
2/26/2020
60 months ago
<0.04 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.04 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.04 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.04 µg/L
Below Reporting Level

tribufos

tribufos is a chemical contaminant that has a reference level of 0.6 µg/L. All the latest water samples for United Water NY showed levels of tribufos that were below unsafe concentration levels. Learn more about tribufos.

Lake Deforest Plant Effluent
Lake Deforest Plant
3/5/2020
60 months ago
<0.07 µg/L
Below Reporting Level
SVWF Airstripper Effluent
Spring Valley TP
12/16/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW14/13 Nanuet Efflluent
SW14/13 Nanuet TP
12/16/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW15 Blauvelt Well Effluent
SW15 Blauvelt TP
12/4/2019
63 months ago
<0.07 µg/L
Below Reporting Level
SW16/20 Entry Point
Tappan TP (Wells 16 & 20)
12/9/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW18/24 Entry Point
New Hempstead TP (Wells 18 & 24)
12/10/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW26 Tallman Well Effluent
Tallman TP (Well 26)
12/5/2019
63 months ago
<0.07 µg/L
Below Reporting Level
SW27 Entry Point
River Road TP (Well 27)
6/25/2019
68 months ago
<0.07 µg/L
Below Reporting Level
SW28/106 Entry Point
Viola TP (Wells 28 & 106)
12/10/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW29 Entry Point
Lake Road TP (Well 29A)
12/17/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW30 Entry Point
Monsey TP (Well 30)
12/10/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW31 Monsey Well Effluent
Monsey TP (Well 31)
12/2/2019
63 months ago
<0.07 µg/L
Below Reporting Level
SW32 Entry Point
Wesel Road TP (Well 32)
12/9/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW37/38 Entry Point
Pomona TP (Wells 37 & 38)
12/11/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW42/54 Entry Point
Catamount TP (Wells 42A & 54)
12/11/2019
62 months ago
<0.07 µg/L
Below Reporting Level
M-SD47 Hillburn
Ramapo Valley TP
12/5/2019
63 months ago
<0.07 µg/L
Below Reporting Level
Thiels Well 51
Thiells TP (Wells 50 & 51)
12/11/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW53 Entry Point
Saddle River TP (Well 53)
12/9/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW55 Entry Point
Nottingham TP (Well 55)
12/3/2019
63 months ago
<0.07 µg/L
Below Reporting Level
SW56 Entry Point
Willow Tree TP (Well 56)
12/9/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW64 Entry Point
Norge TP (Well 64)
12/9/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW65 Entry Point
Pascack TP (Well 65)
12/9/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW66 Elmwood Well Effluent
Elmwood TP (Well 66)
12/2/2019
63 months ago
<0.07 µg/L
Below Reporting Level
SW67/78 Entry Point
Grandview TP (Wells 67 & 78)
12/3/2019
63 months ago
<0.07 µg/L
Below Reporting Level
SW68 Entry Point
Cherry Lane TP (Well 68)
12/4/2019
63 months ago
<0.07 µg/L
Below Reporting Level
SW69 Entry Point
Pinebrook TP (Well 69)
1/16/2020
61 months ago
<0.07 µg/L
Below Reporting Level
SW70 Entry Point
Birchwood TP (Well 70)
12/4/2019
63 months ago
<0.07 µg/L
Below Reporting Level
SW71 Entry Point
Eckerson TP (Well 71)
12/3/2019
63 months ago
<0.07 µg/L
Below Reporting Level
SW72 Entry Point
Rustic Drive TP (Well 72)
12/5/2019
63 months ago
<0.07 µg/L
Below Reporting Level
SW73 Entry Point
Lake Shore TP (Well 73)
12/9/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW79 Entry Point
Westgate TP (Well 79)
2/26/2020
60 months ago
<0.07 µg/L
Below Reporting Level
SW82 Entry Point
Eckerson TP (Well 82)
12/12/2019
62 months ago
<0.07 µg/L
Below Reporting Level
SW83 Entry Point
Grotke TP (Well 83)
6/27/2019
68 months ago
<0.07 µg/L
Below Reporting Level
Letchworth Plant Effluent
Letchworth TP
9/4/2019
66 months ago
<0.07 µg/L
Below Reporting Level

Sampling Facilities

Facility NameWater Type/Source
Lake Deforest PlantSurface Water (SW)
Spring Valley TPGround Water (GW)
SW14/13 Nanuet TPGround Water (GW)
SW15 Blauvelt TPGround Water (GW)
Tappan TP (Wells 16 & 20)Ground Water (GW)
New Hempstead TP (Wells 18 & 24)Ground Water (GW)
Tallman TP (Well 26)Ground Water (GW)
River Road TP (Well 27)Ground Water (GW)
Viola TP (Wells 28 & 106)Ground Water (GW)
Lake Road TP (Well 29A)Ground Water (GW)
Monsey TP (Well 30)Ground Water (GW)
Monsey TP (Well 31)Ground Water (GW)
Wesel Road TP (Well 32)Ground Water (GW)
Pomona TP (Wells 37 & 38)Ground Water (GW)
Catamount TP (Wells 42A & 54)Ground Water (GW)
Ramapo Valley TPGround Water (GW)
Thiells TP (Wells 50 & 51)Ground Water (GW)
Saddle River TP (Well 53)Ground Water (GW)
Nottingham TP (Well 55)Ground Water (GW)
Willow Tree TP (Well 56)Ground Water (GW)
Norge TP (Well 64)Ground Water (GW)
Pascack TP (Well 65)Ground Water (GW)
Elmwood TP (Well 66)Ground Water (GW)
Grandview TP (Wells 67 & 78)Ground Water (GW)
Cherry Lane TP (Well 68)Ground Water (GW)
Pinebrook TP (Well 69)Ground Water (GW)
Birchwood TP (Well 70)Ground Water (GW)
Eckerson TP (Well 71)Ground Water (GW)
Rustic Drive TP (Well 72)Ground Water (GW)
Lake Shore TP (Well 73)Ground Water (GW)
Westgate TP (Well 79)Ground Water (GW)
Eckerson TP (Well 82)Ground Water (GW)
Grotke TP (Well 83)Ground Water (GW)
Letchworth TPSurface Water (SW)
SWNY DISTRIBUTION SYSTEMMultiple sources (MX)

FAQ

Is United Water NY tap water safe to drink?

When was United Water NY last tested for water contamination?

The latest water samples were taken between June 5th, 2019 and March 5th, 2020.