Water Source Contaminants Profile

PWSID
NY5600102 PWS Name
CHESTERTOWN WATER DISTRICT Pop. Served
750 Source Water
Ground Water System Type
CWS

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
12/31/2022 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.006200000

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
12/31/2021 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.004000000

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
12/31/2020 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.004600000

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. 0.003000000

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
7/1/2019 Sampling Period End
12/31/2019 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.002000000

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
1/1/2019 Sampling Period End
6/30/2019 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.007000000

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
7/1/2018 Sampling Period End
12/31/2018 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.004000000

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
1/1/2018 Sampling Period End
6/30/2018 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.004000000

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
7/1/2017 Sampling Period End
12/31/2017 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.003100000

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
6/30/2017 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.003200000

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
7/1/2016 Sampling Period End
12/31/2016 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.007000000

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. 0.034000000

Contaminant
LEAD & COPPER RULE In Violation From
7/1/2019 In Violation Until
11/18/2019 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
7/1/2018 In Violation Until
3/11/2019 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
7/1/2017 In Violation Until
9/11/2017 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
1/1/2019 In Violation Until
3/11/2019 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
TOTAL HALOACETIC ACIDS (HAA5) In Violation From
1/1/2015 In Violation Until
11/30/2015 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
TTHM In Violation From
1/1/2015 In Violation Until
11/30/2015 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.