PlainWater
States → New Hampshire

GROVETON WATER SYS

PWS ID: NH1781010 · NORTHUMBERLAND, New Hampshire 03582

Population Served
2,650
Total Violations
79
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
765
County
Coos
School/Daycare
No
MCL Violations
10
Monitoring Violations
57
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 10 1991
Nitrate MR 8 1994
Consumer Confidence Rule Other 6 2008
Coliform (TCR) MR 4 1991
Chlorine MR 3 2006
1,2,4-Trichlorobenzene MR 2 1994
cis-1,2-Dichloroethylene MR 2 1994
DICHLOROMETHANE MR 2 1994
1,1-Dichloroethylene MR 2 1994
1,2-Dichloroethane MR 2 1994
Carbon tetrachloride MR 2 1994
1,2-Dichloropropane MR 2 1994
Tetrachloroethylene MR 2 1994
Benzene MR 2 1994
Styrene MR 2 1994
Trichloroethylene MR 2 1994
Toluene MR 2 1994
1,1,1-Trichloroethane MR 2 1994
1,1,2-Trichloroethane MR 2 1994
o-Dichlorobenzene MR 2 1994
Xylenes, Total MR 2 1994
trans-1,2-Dichloroethylene MR 2 1994
Vinyl chloride MR 2 1994
Ethylbenzene MR 2 1994
p-Dichlorobenzene MR 2 1994
CHLOROBENZENE MR 2 1994
Surface Water Treatment Rule TT 1 1992
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.