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Water Source Contaminants Profile

Public Water Systems (PWS)

PWSID PWS Name Pop. Served Source Water System Type

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

Regulated Contaminants

Contaminant In Violation From In Violation Until Violation CategoryPlease refer to the Glossary for definitions of the violation categories. Health Based Violation Sampling Period Begin Sampling Period End 90th percentile measure mg/L exceedance

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
 12/31/2024 90th percentile measure mg/L exceedancePlease refer to the lead section for more information. 0.003900000

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.

Unregulated Contaminants (Detected contaminants appear first, with all “non-detect” samples listed by contaminant tested at the end.)
No Data.