Ossining Water Department (NY) Water Quality

Ossining Water Department is a large public water system in EPA region 02 that provides tap water for the 10562 zip codes. It has 2 facilities where the water supply was tested for 30 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 Ossining Water Department showed levels of 1-butanol that were below unsafe concentration levels. Learn more about 1-butanol.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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 Ossining Water Department showed levels of 2-methoxyethanol that were below unsafe concentration levels. Learn more about 2-methoxyethanol.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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 Ossining Water Department showed levels of 2-propen-1-ol (Allyl Alcohol) that were below unsafe concentration levels. Learn more about 2-propen-1-ol (Allyl Alcohol).

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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 Ossining Water Department showed levels of HAA5 (five regulated haloacetic acids) that were below unsafe concentration levels. The maximum reported value was 41.08 µg/L. Learn more about HAA5 (five regulated haloacetic acids).

41.08µg/L
584 North State Road
Distribution System
11/5/2019
68 months ago
41.08 µg/L
⚠️ Exceeds 50% of Reference Level
55 Ryder Road
Distribution System
11/5/2019
68 months ago
34.82 µg/L
⚠️ Exceeds 50% of Reference Level
2 Water Street
Distribution System
11/5/2019
68 months ago
33.19 µg/L
⚠️ Exceeds 50% of Reference Level
173 Croton Ave
Distribution System
11/5/2019
68 months ago
34.05 µg/L
⚠️ Exceeds 50% of Reference Level

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).

584 North State Road
Distribution System
11/5/2019
68 months ago
9.92 µg/L
55 Ryder Road
Distribution System
11/5/2019
68 months ago
8.45 µg/L
2 Water Street
Distribution System
11/5/2019
68 months ago
8.42 µg/L
173 Croton Ave
Distribution System
11/5/2019
68 months ago
9.4 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).

584 North State Road
Distribution System
11/5/2019
68 months ago
50.52 µg/L
55 Ryder Road
Distribution System
11/5/2019
68 months ago
42.95 µg/L
2 Water Street
Distribution System
11/5/2019
68 months ago
41.12 µg/L
173 Croton Ave
Distribution System
11/5/2019
68 months ago
42.9 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 Ossining Water Department showed levels of alpha-hexachlorocyclohexane that were below unsafe concentration levels. Learn more about alpha-hexachlorocyclohexane.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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.

Entry Point to Dist. System
Treatment Plant
11/16/2020
55 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.

Entry Point to Dist. System
Treatment Plant
12/3/2018
79 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 Ossining Water Department showed levels of chlorpyrifos that were below unsafe concentration levels. Learn more about chlorpyrifos.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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 Ossining Water Department showed levels of cylindrospermopsin that were below unsafe concentration levels. Learn more about cylindrospermopsin.

Entry Point to Dist. System
Treatment Plant
11/16/2020
55 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 Ossining Water Department showed levels of dimethipin that were below unsafe concentration levels. Learn more about dimethipin.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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 Ossining Water Department showed levels of ethoprop that were below unsafe concentration levels. Learn more about ethoprop.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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 Ossining Water Department showed levels of Manganese that were below unsafe concentration levels. The maximum reported value was 3.3 µg/L. Learn more about Manganese.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 months ago
3.3 µg/L
Meets Reporting Threshold

microcystin-LA

microcystin-LA is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for Ossining Water Department showed levels of microcystin-LA that were below unsafe concentration levels. The maximum reported value was 0.063 µg/L. Learn more about microcystin-LA.

0.063µg/L
Entry Point to Dist. System
Treatment Plant
10/14/2020
56 months ago
.063 µg/L
Meets Reporting Threshold

microcystin-LF

microcystin-LF is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for Ossining Water Department showed levels of microcystin-LF that were below unsafe concentration levels. Learn more about microcystin-LF.

Entry Point to Dist. System
Treatment Plant
10/14/2020
56 months ago
<0.006 µg/L
Below Reporting Level

microcystin-LR

microcystin-LR is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for Ossining Water Department showed levels of microcystin-LR that were below unsafe concentration levels. Learn more about microcystin-LR.

Entry Point to Dist. System
Treatment Plant
10/14/2020
56 months ago
<0.02 µg/L
Below Reporting Level

microcystin-LY

microcystin-LY is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for Ossining Water Department showed levels of microcystin-LY that were below unsafe concentration levels. Learn more about microcystin-LY.

Entry Point to Dist. System
Treatment Plant
10/14/2020
56 months ago
<0.009 µg/L
Below Reporting Level

microcystin-RR

microcystin-RR is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for Ossining Water Department showed levels of microcystin-RR that were below unsafe concentration levels. Learn more about microcystin-RR.

Entry Point to Dist. System
Treatment Plant
10/14/2020
56 months ago
<0.006 µg/L
Below Reporting Level

microcystin-YR

microcystin-YR is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for Ossining Water Department showed levels of microcystin-YR that were below unsafe concentration levels. Learn more about microcystin-YR.

Entry Point to Dist. System
Treatment Plant
10/14/2020
56 months ago
<0.02 µg/L
Below Reporting Level

nodularin

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

Entry Point to Dist. System
Treatment Plant
10/14/2020
56 months ago
<0.005 µg/L
Below Reporting Level

o-toluidine

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

Entry Point to Dist. System
Treatment Plant
12/3/2018
79 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 Ossining Water Department showed levels of oxyfluorfen that were below unsafe concentration levels. Learn more about oxyfluorfen.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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 Ossining Water Department showed levels of profenofos that were below unsafe concentration levels. Learn more about profenofos.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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 Ossining Water Department showed levels of quinoline that were below unsafe concentration levels. Learn more about quinoline.

Entry Point to Dist. System
Treatment Plant
12/3/2018
79 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 Ossining Water Department showed levels of tebuconazole that were below unsafe concentration levels. Learn more about tebuconazole.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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 Ossining Water Department showed levels of Total Microcystin that were below unsafe concentration levels. Learn more about Total Microcystin.

Entry Point to Dist. System
Treatment Plant
11/16/2020
55 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 Ossining Water Department showed levels of Total Permethrin that were below unsafe concentration levels. Learn more about Total Permethrin.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 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 Ossining Water Department showed levels of tribufos that were below unsafe concentration levels. Learn more about tribufos.

Entry Point to Dist. System
Treatment Plant
11/1/2018
80 months ago
<0.07 µg/L
Below Reporting Level

Sampling Facilities

Facility NameWater Type/Source
Distribution SystemSurface Water (SW)
Treatment PlantSurface Water (SW)

FAQ

Is Ossining Water Department tap water safe to drink?

When was Ossining Water Department last tested for water contamination?

The latest water samples were taken between November 1st, 2018 and November 16th, 2020.