PlainWater
States → Connecticut

COVENTRY GRAMMAR SCHOOL

PWS ID: CT0320302 · COVENTRY, Connecticut 06238

Population Served
558
Total Violations
100
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Tolland
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
98
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 7 2003
Cadmium MR 4 2002
Chromium MR 4 2002
Fluoride MR 4 2002
Mercury MR 4 2002
Beryllium, Total MR 4 2002
Selenium MR 4 2002
Arsenic MR 4 2002
Barium MR 4 2002
CYANIDE MR 4 2002
Antimony, Total MR 4 2002
Thallium, Total MR 4 2002
Nickel MR 4 2002
Lead and Copper Rule MR 3 2022
cis-1,2-Dichloroethylene MR 2 2003
DICHLOROMETHANE MR 2 2003
o-Dichlorobenzene MR 2 2003
trans-1,2-Dichloroethylene MR 2 2003
1,2-Dichloroethane MR 2 2003
1,1,1-Trichloroethane MR 2 2003
Carbon tetrachloride MR 2 2003
1,2-Dichloropropane MR 2 2003
CHLOROBENZENE MR 2 2003
Benzene MR 2 2003
Toluene MR 2 2003
p-Dichlorobenzene MR 2 2003
1,1,2-Trichloroethane MR 2 2003
Ethylbenzene MR 2 2003
1,2,4-Trichlorobenzene MR 2 2003
Styrene MR 2 2003
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.