PlainWater
States → Massachusetts

CHILMARK SCHOOL

PWS ID: MA4062008 · CHILMARK, Massachusetts 02535

Population Served
90
Total Violations
117
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
0
County
Dukes
School/Daycare
Yes
MCL Violations
4
Monitoring Violations
97
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 9 2021
Coliform (TCR) MR 4 2010
Coliform (TCR) MCL 4 2010
Revised Total Coliform Rule TT 3 2020
1,1,1-Trichloroethane MR 2 2010
o-Dichlorobenzene MR 2 2010
cis-1,2-Dichloroethylene MR 2 2010
1,2-Dichloropropane MR 2 2010
Ethylbenzene MR 2 2010
Styrene MR 2 2010
p-Dichlorobenzene MR 2 2010
DICHLOROMETHANE MR 2 2010
1,1,2-Trichloroethane MR 2 2010
1,1-Dichloroethylene MR 2 2010
Trichloroethylene MR 2 2010
Carbon tetrachloride MR 2 2010
Vinyl chloride MR 2 2010
Public Notice Other 2 2020
Benzene MR 2 2010
1,2,4-Trichlorobenzene MR 2 2010
Toluene MR 2 2010
CHLOROBENZENE MR 2 2010
trans-1,2-Dichloroethylene MR 2 2010
Tetrachloroethylene MR 2 2010
Xylenes, Total MR 2 2010
1,2-Dichloroethane MR 2 2010
Barium MR 1 2002
Cadmium MR 1 2002
CYANIDE MR 1 2002
Fluoride MR 1 2002
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.