Water Source Contaminants Profile

PWSID
NY5503371 PWS Name
HUDSON VALLEY WATER CO #4 Pop. Served
221 Source Water
Ground Water System Type
CWS

Contaminant
11CL-PF3OUDS In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
11CL-PF3OUDS In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
9CL-PF3ONS In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
9CL-PF3ONS In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ADONA In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ADONA In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
ASBESTOS In Violation From
1/1/2014 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
Copper (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
7/1/2021 Sampling Period End
12/31/2021 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 3.010000000

Contaminant
Copper (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2021 Sampling Period End
6/30/2021 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 1.930000000

Contaminant
Copper (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2020 Sampling Period End
6/30/2020 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 2.690000000

Contaminant
Copper (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2017 Sampling Period End
12/31/2019 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 2.640000000

Contaminant
HFPO-DA In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
HFPO-DA In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
Lead (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2025 Sampling Period End
12/31/2025 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.001200000

Contaminant
Lead (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2024 Sampling Period End
12/31/2024 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.001500000

Contaminant
Lead (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
7/1/2022 Sampling Period End
12/31/2022 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.006450000

Contaminant
Lead (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2022 Sampling Period End
6/30/2022 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.001500000

Contaminant
Lead (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
7/1/2021 Sampling Period End
12/31/2021 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.002310000

Contaminant
Lead (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2021 Sampling Period End
6/30/2021 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.002530000

Contaminant
Lead (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
7/1/2020 Sampling Period End
12/31/2020 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.001230000

Contaminant
Lead (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2020 Sampling Period End
6/30/2020 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.001420000

Contaminant
Lead (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2017 Sampling Period End
12/31/2019 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.000900000

Contaminant
Lead (90th Percentile) In Violation From
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Maximum Contaminant Level Violation Health Based Violation
Sampling Period Begin
1/1/2014 Sampling Period End
12/31/2016 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.002000000

Contaminant
LEAD & COPPER RULE In Violation From
7/1/2021 In Violation Until
4/26/2023 Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
LEAD & COPPER RULE In Violation From
7/1/2021 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
NONAFLUORO NFDHA In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
NONAFLUORO NFDHA In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORO PFEESA In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORO PFEESA In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORO PFMBA In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORO PFMBA In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORO PFMPA In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORO PFMPA In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROBUTANESULFONIC ACID (PFBS) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROBUTANESULFONIC ACID (PFBS) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROBUTANOIC ACID (PFBA) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROBUTANOIC ACID (PFBA) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROCTANE SULFONIC ACID (PFOS) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROCTANE SULFONIC ACID (PFOS) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROCTANOIC ACID (PFOA) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROCTANOIC ACID (PFOA) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORODECANE SULFONIC ACID 8:2 FTS In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORODECANE SULFONIC ACID 8:2 FTS In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORODECANOIC ACID (PFDA) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORODECANOIC ACID (PFDA) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORODODECANOIC ACID (PFDOA) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORODODECANOIC ACID (PFDOA) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROHEPTANESULFONIC ACID (PFHPS) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROHEPTANESULFONIC ACID (PFHPS) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROHEPTANOIC ACID (PFHPA) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROHEPTANOIC ACID (PFHPA) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROHEXANE SULFONIC ACID (PFHXS) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROHEXANE SULFONIC ACID (PFHXS) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROHEXANE SULFONIC ACID 4:2 FTS In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROHEXANE SULFONIC ACID 4:2 FTS In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROHEXANOIC ACID (PFHXA) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROHEXANOIC ACID (PFHXA) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORONONANOIC ACID (PFNA) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUORONONANOIC ACID (PFNA) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROOCTANE SULFONIC ACID 6:2 FTS In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROOCTANE SULFONIC ACID 6:2 FTS In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROPENTANESULFONIC ACID (PFPES) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROPENTANESULFONIC ACID (PFPES) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROPENTANOIC ACID (PFPEA) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROPENTANOIC ACID (PFPEA) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROUNDECANOIC ACID (PFUNA) In Violation From
7/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.

Contaminant
PERFLUOROUNDECANOIC ACID (PFUNA) In Violation From
1/1/2024 In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Monitoring and Reporting Violation Health Based Violation
N Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.