New York City (NY) Water Quality

New York City is a large public water system in EPA region 02 that provides tap water for the 10001 - 10014, 10017 - 10041, 10044, 10045, 10060, 10069, 10080, 10081, 10090, 10101 - 10126, 10129 - 10133, 10150 - 10179, 10199, 10211 - 10213, 10249, 10257 - 10261, 10268 - 10282, 10286, 10301 - 10314, 10452 - 10475, 11101 - 11104, 11109, 11201 - 11226, 11229 - 11239, 11242, 11243, 11247, 11251, 11252, 11351, 11352, 11355 - 11375, 11378 - 11381, 11386, 11411, 11414 - 11436, 11451, 11691 - 11695 zip codes. It has 5 facilities where the water supply was tested for 23 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 54 µg/L. The maximum reported level of Manganese was 13 µg/L. There were 2 contamintants found in the New York City water supply at levels that were above the minimum reporting level. 0 of the contaminants were above the reference level, which means they may pose a risk to human health.

Contaminants

1-butanol

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<2.0 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<2.0 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<2.0 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<2.0 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<2.0 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<2.0 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<2.0 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<2.0 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<2.0 µg/L
Below Reporting Level
8/21/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<2.0 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<2.0 µg/L
Below Reporting Level
8/7/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<2.0 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<2.0 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<2.0 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<2.0 µg/L
Below Reporting Level
5/22/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<2.0 µg/L
Below Reporting Level
5/22/2018
7 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

2-methoxyethanol

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.4 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.4 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.4 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.4 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.4 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.4 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.4 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.4 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.4 µg/L
Below Reporting Level
8/21/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.4 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.4 µg/L
Below Reporting Level
8/7/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.4 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.4 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.4 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.4 µg/L
Below Reporting Level
5/22/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.4 µg/L
Below Reporting Level
5/22/2018
7 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

2-propen-1-ol (Allyl Alcohol)

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.5 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.5 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.5 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.5 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.5 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.5 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.5 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.5 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.5 µg/L
Below Reporting Level
8/21/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.5 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.5 µg/L
Below Reporting Level
8/7/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.5 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.5 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.5 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.5 µg/L
Below Reporting Level
5/22/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.5 µg/L
Below Reporting Level
5/22/2018
7 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

HAA5 (five regulated haloacetic acids)

Site 58650
Stage 2 DBP Distribution Sampling Location ℹ️
90%
54 µg/L
❗ Exceeds 80% of Reference Level
2/5/2019
6 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
85%
51 µg/L
❗ Exceeds 80% of Reference Level
2/5/2019
6 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
83.3%
50 µg/L
❗ Exceeds 80% of Reference Level
2/5/2019
6 years ago
Site 52050
Stage 2 DBP Distribution Sampling Location ℹ️
83.3%
50 µg/L
❗ Exceeds 80% of Reference Level
2/5/2019
6 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
81.7%
49 µg/L
❗ Exceeds 80% of Reference Level
2/5/2019
6 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
81.7%
49 µg/L
❗ Exceeds 80% of Reference Level
2/5/2019
6 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
80%
48 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
80%
48 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
78.3%
47 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 50850
Stage 2 DBP Distribution Sampling Location ℹ️
78.3%
47 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
75%
45 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
75%
45 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 77650
Stage 2 DBP Distribution Sampling Location ℹ️
75%
45 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
73.3%
44 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
71.7%
43 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
66.7%
40 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
66.7%
40 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
63.3%
38 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
62.2%
37.3 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
60.5%
36.3 µg/L
⚠️ Exceeds 50% of Reference Level
2/5/2019
6 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
115.2%
69.1 µg/L
☠️ Exceeds Reference Level by 9.1 µg/L
11/7/2018
6 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
108.3%
65 µg/L
☠️ Exceeds Reference Level by 5 µg/L
11/7/2018
6 years ago
Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
100.2%
60.1 µg/L
☠️ Exceeds Reference Level by 0.1 µg/L
11/7/2018
6 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
96.7%
58 µg/L
❗ Exceeds 80% of Reference Level
11/7/2018
6 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
96.7%
58 µg/L
❗ Exceeds 80% of Reference Level
11/7/2018
6 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
95%
57 µg/L
❗ Exceeds 80% of Reference Level
11/7/2018
6 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
88.3%
53 µg/L
❗ Exceeds 80% of Reference Level
11/7/2018
6 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
86.7%
52 µg/L
❗ Exceeds 80% of Reference Level
11/7/2018
6 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
86.7%
52 µg/L
❗ Exceeds 80% of Reference Level
11/7/2018
6 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
86.2%
51.7 µg/L
❗ Exceeds 80% of Reference Level
11/7/2018
6 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
85%
51 µg/L
❗ Exceeds 80% of Reference Level
11/7/2018
6 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
82.7%
49.6 µg/L
❗ Exceeds 80% of Reference Level
11/7/2018
6 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
77.5%
46.5 µg/L
⚠️ Exceeds 50% of Reference Level
11/7/2018
6 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
75%
45 µg/L
⚠️ Exceeds 50% of Reference Level
11/7/2018
6 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
72.5%
43.5 µg/L
⚠️ Exceeds 50% of Reference Level
11/7/2018
6 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
71.7%
43 µg/L
⚠️ Exceeds 50% of Reference Level
11/7/2018
6 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
86.7%
52 µg/L
❗ Exceeds 80% of Reference Level
8/7/2018
7 years ago
Site 52050
Stage 2 DBP Distribution Sampling Location ℹ️
83.3%
50 µg/L
❗ Exceeds 80% of Reference Level
8/7/2018
7 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
81.7%
49 µg/L
❗ Exceeds 80% of Reference Level
8/7/2018
7 years ago
Site 50850
Stage 2 DBP Distribution Sampling Location ℹ️
80%
48 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
76.7%
46 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
76.7%
46 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
76.7%
46 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 58650
Stage 2 DBP Distribution Sampling Location ℹ️
75%
45 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
73.3%
44 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
73.3%
44 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
73.3%
44 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
71.7%
43 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
70%
42 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
66.7%
40 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
65%
39 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 77650
Stage 2 DBP Distribution Sampling Location ℹ️
65%
39 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
63.2%
37.9 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
59%
35.4 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
50.3%
30.2 µg/L
⚠️ Exceeds 50% of Reference Level
8/7/2018
7 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
48.7%
29.2 µg/L
Meets Reporting Threshold
8/7/2018
7 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
128.7%
77.2 µg/L
☠️ Exceeds Reference Level by 17.2 µg/L
5/22/2018
7 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
128.5%
77.1 µg/L
☠️ Exceeds Reference Level by 17.1 µg/L
5/22/2018
7 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
126.7%
76 µg/L
☠️ Exceeds Reference Level by 16 µg/L
5/22/2018
7 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
118.3%
71 µg/L
☠️ Exceeds Reference Level by 11 µg/L
5/22/2018
7 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
105%
63 µg/L
☠️ Exceeds Reference Level by 3 µg/L
5/22/2018
7 years ago
Site 50850
Stage 2 DBP Distribution Sampling Location ℹ️
101.7%
61 µg/L
☠️ Exceeds Reference Level by 1 µg/L
5/22/2018
7 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
96.7%
58 µg/L
❗ Exceeds 80% of Reference Level
5/22/2018
7 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
96.7%
58 µg/L
❗ Exceeds 80% of Reference Level
5/22/2018
7 years ago
Site 52050
Stage 2 DBP Distribution Sampling Location ℹ️
96.7%
58 µg/L
❗ Exceeds 80% of Reference Level
5/22/2018
7 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
95%
57 µg/L
❗ Exceeds 80% of Reference Level
5/22/2018
7 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
93.3%
56 µg/L
❗ Exceeds 80% of Reference Level
5/22/2018
7 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
91.7%
55 µg/L
❗ Exceeds 80% of Reference Level
5/22/2018
7 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
90%
54 µg/L
❗ Exceeds 80% of Reference Level
5/22/2018
7 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
90%
54 µg/L
❗ Exceeds 80% of Reference Level
5/22/2018
7 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
88.3%
53 µg/L
❗ Exceeds 80% of Reference Level
5/22/2018
7 years ago
Site 77650
Stage 2 DBP Distribution Sampling Location ℹ️
85%
51 µg/L
❗ Exceeds 80% of Reference Level
5/22/2018
7 years ago
Site 58650
Stage 2 DBP Distribution Sampling Location ℹ️
73.3%
44 µg/L
⚠️ Exceeds 50% of Reference Level
5/22/2018
7 years ago
Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
63.9%
38.34 µg/L
⚠️ Exceeds 50% of Reference Level
5/22/2018
7 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
60.5%
36.33 µg/L
⚠️ Exceeds 50% of Reference Level
5/22/2018
7 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
56.7%
34 µg/L
⚠️ Exceeds 50% of Reference Level
5/22/2018
7 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids)

Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
7.96 µg/L
2/5/2019
6 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
7.77 µg/L
2/5/2019
6 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
6.15 µg/L
2/5/2019
6 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4.81 µg/L
2/5/2019
6 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4 µg/L
2/5/2019
6 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4 µg/L
2/5/2019
6 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4 µg/L
2/5/2019
6 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.9 µg/L
2/5/2019
6 years ago
Site 58650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.8 µg/L
2/5/2019
6 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.6 µg/L
2/5/2019
6 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.6 µg/L
2/5/2019
6 years ago
Site 52050
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.6 µg/L
2/5/2019
6 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.5 µg/L
2/5/2019
6 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.4 µg/L
2/5/2019
6 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.4 µg/L
2/5/2019
6 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.4 µg/L
2/5/2019
6 years ago
Site 77650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.4 µg/L
2/5/2019
6 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.3 µg/L
2/5/2019
6 years ago
Site 50850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.3 µg/L
2/5/2019
6 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
2.8 µg/L
2/5/2019
6 years ago
Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
9.31 µg/L
11/7/2018
6 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
8.68 µg/L
11/7/2018
6 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
6.12 µg/L
11/7/2018
6 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4.3 µg/L
11/7/2018
6 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4.3 µg/L
11/7/2018
6 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4.27 µg/L
11/7/2018
6 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4 µg/L
11/7/2018
6 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.8 µg/L
11/7/2018
6 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.8 µg/L
11/7/2018
6 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.8 µg/L
11/7/2018
6 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.7 µg/L
11/7/2018
6 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.6 µg/L
11/7/2018
6 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.5 µg/L
11/7/2018
6 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.28 µg/L
11/7/2018
6 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.2 µg/L
11/7/2018
6 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.11 µg/L
11/7/2018
6 years ago
Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
9.19 µg/L
8/7/2018
7 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
9.09 µg/L
8/7/2018
7 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
6.52 µg/L
8/7/2018
7 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4.35 µg/L
8/7/2018
7 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4.11 µg/L
8/7/2018
7 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.81 µg/L
8/7/2018
7 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.71 µg/L
8/7/2018
7 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.7 µg/L
8/7/2018
7 years ago
Site 52050
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.7 µg/L
8/7/2018
7 years ago
Site 50850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.6 µg/L
8/7/2018
7 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.5 µg/L
8/7/2018
7 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.39 µg/L
8/7/2018
7 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.39 µg/L
8/7/2018
7 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.3 µg/L
8/7/2018
7 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.3 µg/L
8/7/2018
7 years ago
Site 58650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.3 µg/L
8/7/2018
7 years ago
Site 77650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
2.86 µg/L
8/7/2018
7 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
2.41 µg/L
8/7/2018
7 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
2.25 µg/L
8/7/2018
7 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
2.23 µg/L
8/7/2018
7 years ago
Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
8.81 µg/L
5/22/2018
7 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
8.5 µg/L
5/22/2018
7 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
6.75 µg/L
5/22/2018
7 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
5.2 µg/L
5/22/2018
7 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4.4 µg/L
5/22/2018
7 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4.4 µg/L
5/22/2018
7 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4.3 µg/L
5/22/2018
7 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4 µg/L
5/22/2018
7 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4 µg/L
5/22/2018
7 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
4 µg/L
5/22/2018
7 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.9 µg/L
5/22/2018
7 years ago
Site 50850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.9 µg/L
5/22/2018
7 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.8 µg/L
5/22/2018
7 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.7 µg/L
5/22/2018
7 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.7 µg/L
5/22/2018
7 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.6 µg/L
5/22/2018
7 years ago
Site 52050
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.6 µg/L
5/22/2018
7 years ago
Site 77650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
3.5 µg/L
5/22/2018
7 years ago
Site 58650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
2.7 µg/L
5/22/2018
7 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
2.42 µg/L
5/22/2018
7 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids)

Site 58650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
57.8 µg/L
2/5/2019
6 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
55 µg/L
2/5/2019
6 years ago
Site 52050
Stage 2 DBP Distribution Sampling Location ℹ️
0%
53.6 µg/L
2/5/2019
6 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
53.4 µg/L
2/5/2019
6 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
0%
53 µg/L
2/5/2019
6 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
53 µg/L
2/5/2019
6 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
51.9 µg/L
2/5/2019
6 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
51.81 µg/L
2/5/2019
6 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
51.3 µg/L
2/5/2019
6 years ago
Site 50850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
50.3 µg/L
2/5/2019
6 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
48.4 µg/L
2/5/2019
6 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
48.4 µg/L
2/5/2019
6 years ago
Site 77650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
48.4 µg/L
2/5/2019
6 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
47.5 µg/L
2/5/2019
6 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
46.6 µg/L
2/5/2019
6 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
46.15 µg/L
2/5/2019
6 years ago
Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
44.96 µg/L
2/5/2019
6 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
43.77 µg/L
2/5/2019
6 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
43.6 µg/L
2/5/2019
6 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
40.8 µg/L
2/5/2019
6 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
77.78 µg/L
11/7/2018
6 years ago
Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
69.41 µg/L
11/7/2018
6 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
69.3 µg/L
11/7/2018
6 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
62.3 µg/L
11/7/2018
6 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
61.8 µg/L
11/7/2018
6 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
60.7 µg/L
11/7/2018
6 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
57 µg/L
11/7/2018
6 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
55.8 µg/L
11/7/2018
6 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
55.8 µg/L
11/7/2018
6 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
54.9 µg/L
11/7/2018
6 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
54.6 µg/L
11/7/2018
6 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
53.87 µg/L
11/7/2018
6 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
52.62 µg/L
11/7/2018
6 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
48.28 µg/L
11/7/2018
6 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
46.61 µg/L
11/7/2018
6 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
0%
46.5 µg/L
11/7/2018
6 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
55.7 µg/L
8/7/2018
7 years ago
Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
55.19 µg/L
8/7/2018
7 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
55.09 µg/L
8/7/2018
7 years ago
Site 52050
Stage 2 DBP Distribution Sampling Location ℹ️
0%
53.7 µg/L
8/7/2018
7 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
53.11 µg/L
8/7/2018
7 years ago
Site 50850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
51.6 µg/L
8/7/2018
7 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
49.81 µg/L
8/7/2018
7 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
48.35 µg/L
8/7/2018
7 years ago
Site 58650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
48.3 µg/L
8/7/2018
7 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
47.3 µg/L
8/7/2018
7 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
47.3 µg/L
8/7/2018
7 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
46.5 µg/L
8/7/2018
7 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
45.39 µg/L
8/7/2018
7 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
44.42 µg/L
8/7/2018
7 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
0%
43.71 µg/L
8/7/2018
7 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
42.39 µg/L
8/7/2018
7 years ago
Site 77650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
41.86 µg/L
8/7/2018
7 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
37.81 µg/L
8/7/2018
7 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
32.45 µg/L
8/7/2018
7 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
31.43 µg/L
8/7/2018
7 years ago
Site 15150
Stage 2 DBP Distribution Sampling Location ℹ️
0%
81.6 µg/L
5/22/2018
7 years ago
Site 38250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
81.5 µg/L
5/22/2018
7 years ago
Site 44350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
80.3 µg/L
5/22/2018
7 years ago
Site 23450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
75 µg/L
5/22/2018
7 years ago
Site 24350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
67 µg/L
5/22/2018
7 years ago
Site 50850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
64.9 µg/L
5/22/2018
7 years ago
Site 32350
Stage 2 DBP Distribution Sampling Location ℹ️
0%
63.75 µg/L
5/22/2018
7 years ago
Site 39650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
62 µg/L
5/22/2018
7 years ago
Site 45250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
61.8 µg/L
5/22/2018
7 years ago
Site 52050
Stage 2 DBP Distribution Sampling Location ℹ️
0%
61.6 µg/L
5/22/2018
7 years ago
Site 18650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
59.9 µg/L
5/22/2018
7 years ago
Site 31750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
59.2 µg/L
5/22/2018
7 years ago
Site 31850
Stage 2 DBP Distribution Sampling Location ℹ️
0%
58.6 µg/L
5/22/2018
7 years ago
Site 50250
Stage 2 DBP Distribution Sampling Location ℹ️
0%
57.7 µg/L
5/22/2018
7 years ago
Site 37950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
56.7 µg/L
5/22/2018
7 years ago
Site 77650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
54.5 µg/L
5/22/2018
7 years ago
Site 33950
Stage 2 DBP Distribution Sampling Location ℹ️
0%
46.81 µg/L
5/22/2018
7 years ago
Site 58650
Stage 2 DBP Distribution Sampling Location ℹ️
0%
46.7 µg/L
5/22/2018
7 years ago
Site 33450
Stage 2 DBP Distribution Sampling Location ℹ️
0%
44.5 µg/L
5/22/2018
7 years ago
Site 50750
Stage 2 DBP Distribution Sampling Location ℹ️
0%
36.42 µg/L
5/22/2018
7 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/21/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/19/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/19/2018
7 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

anatoxin-a

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/26/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/26/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/26/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/26/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/29/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/29/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/29/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/29/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/15/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/15/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/15/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/15/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/25/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/25/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/25/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/25/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/11/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/11/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/11/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/11/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/27/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/27/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/27/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/27/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/13/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/13/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/13/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/13/2018
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/10/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/14/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/14/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/14/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/21/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/7/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/22/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/22/2018
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/21/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/19/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/19/2018
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

cylindrospermopsin

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/26/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/26/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/26/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/26/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/12/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/12/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/12/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/12/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/29/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/29/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/29/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/29/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/15/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/15/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/15/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/15/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/25/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/25/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/25/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/25/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/11/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/11/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/11/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/11/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/27/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/27/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/27/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/27/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/13/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/13/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/13/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/13/2018
7 years ago
Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L
Contaminant Details

dimethipin

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/21/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/19/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/19/2018
7 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

ethoprop

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/21/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/19/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/19/2018
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/21/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/7/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/22/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/22/2018
7 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

Manganese

Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
4.3%
13 µg/L
Meets Reporting Threshold
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
4%
12 µg/L
Meets Reporting Threshold
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
3.7%
11 µg/L
Meets Reporting Threshold
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
1.4%
4.3 µg/L
Meets Reporting Threshold
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
6.7%
20 µg/L
Meets Reporting Threshold
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
5.7%
17 µg/L
Meets Reporting Threshold
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
5.3%
16 µg/L
Meets Reporting Threshold
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
1.3%
4 µg/L
Meets Reporting Threshold
11/7/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
6.7%
20 µg/L
Meets Reporting Threshold
8/21/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
6%
18 µg/L
Meets Reporting Threshold
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
5.7%
17 µg/L
Meets Reporting Threshold
8/7/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0.3%
.75 µg/L
Meets Reporting Threshold
8/7/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
4.7%
14 µg/L
Meets Reporting Threshold
5/22/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
4.7%
14 µg/L
Meets Reporting Threshold
5/22/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
4%
12 µg/L
Meets Reporting Threshold
5/22/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0.9%
2.7 µg/L
Meets Reporting Threshold
5/22/2018
7 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

o-toluidine

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/10/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/14/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/14/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/14/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/10/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/10/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/10/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/10/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.007 µg/L
Below Reporting Level
8/21/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.007 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.007 µg/L
Below Reporting Level
8/7/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.007 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.007 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.007 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.007 µg/L
Below Reporting Level
5/22/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.007 µg/L
Below Reporting Level
5/22/2018
7 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.05 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.05 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.05 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.05 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.05 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.05 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.05 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.05 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.05 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.05 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.05 µg/L
Below Reporting Level
8/21/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.05 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.05 µg/L
Below Reporting Level
6/19/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.05 µg/L
Below Reporting Level
6/19/2018
7 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

profenofos

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/21/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/19/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/19/2018
7 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/10/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/14/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/14/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/14/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/21/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/7/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/22/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/22/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/22/2018
7 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

tebuconazole

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/21/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/19/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/19/2018
7 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

Total Microcystin

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/26/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/26/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/26/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/26/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2018
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/29/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/29/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/29/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/29/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/15/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/15/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/15/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/15/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/25/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/25/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/25/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/25/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/11/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/11/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/11/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/11/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/27/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/27/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/27/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/27/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/13/2018
7 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/13/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/13/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/13/2018
7 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

Total Permethrin

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/21/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/19/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/19/2018
7 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos

Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/5/2019
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/5/2019
6 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.07 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.07 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.07 µg/L
Below Reporting Level
11/7/2018
6 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.07 µg/L
Below Reporting Level
11/7/2018
6 years ago
Shaft 3A Tunnel 2
Tunnel 2 1S03A ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/23/2018
7 years ago
Shaft 7 Tunnel 1
Tunnel 1 1S07 ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/21/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/7/2018
7 years ago
Shaft 3B Tunnel 3
Tunnel 3 1S03B ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/19/2018
7 years ago
Croton Distribution Chamber Low Service Tunnel
Croton 1SCL1 ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/19/2018
7 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

Sampling Facilities

Tunnel 1 1S07
Surface Water (SW)

Shaft 7 Tunnel 1EP

Tunnel 2 1S03A
Surface Water (SW)

Shaft 3A Tunnel 2EP

Tunnel 3 1S03B
Surface Water (SW)

Shaft 3B Tunnel 3EP

Croton 1SCL1
Surface Water (SW)

Croton Distribution Chamber Low Service TunnelEP

Stage 2 DBP Distribution Sampling Location
Surface Water (SW)

Site 15150DS
Site 18650DS
Site 23450DS
Site 24350DS
Site 31750DS
Site 31850DS
Site 32350DS
Site 33450DS
Site 33950DS
Site 37950DS
Site 38250DS
Site 39650DS
Site 44350DS
Site 45250DS
Site 50250DS
Site 50750DS
Site 50850DS
Site 52050DS
Site 58650DS
Site 77650DS

FAQ

Is New York City tap water safe to drink?

When was New York City last tested for water contamination?

The latest water samples were taken between September 26th, 2018 and April 10th, 2019.