Water Source Contaminants Profile
Public Water Systems (PWS)
PWSID
NY3530323
PWS Name
CHESTER UNION FREE SCHOOL DISTRICT
Pop. Served
1200
Source Water
Surface Water
System Type
NTNCWS
Contaminant
TTHM
In Violation From
7/1/2022
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories.
Maximum Contaminant Level Violation
Health Based Violation
Y
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
4/1/2022
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories.
Maximum Contaminant Level Violation
Health Based Violation
Y
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
10/1/2022
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories.
Maximum Contaminant Level Violation
Health Based Violation
Y
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
1/1/2023
In Violation Until
Violation CategoryPlease refer to the Glossary for definitions of the violation categories.
Maximum Contaminant Level Violation
Health Based Violation
Y
Sampling Period Begin
Sampling Period End
90th percentile measure mg/L exceedancePlease refer to the lead section for more information.