PlainWater

LOWER MAHANOY TWP MUN AUTH

PWS ID: PA4490018 · DALMATIA, Pennsylvania 17017

Population Served
450
Total Violations
170
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
186
County
Northumberland
School/Daycare
No
MCL Violations
6
Monitoring Violations
149
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Atrazine MR 10 2002
Coliform (TCR) MR 10 1996
TTHM MR 8 2023
Coliform (TCR) MCL 6 2012
Simazine MR 6 2011
Nitrate MR 5 2019
Public Notice Other 4 2024
Groundwater Rule TT 4 2025
p-Dichlorobenzene MR 4 1990
Vinyl chloride MR 4 1990
1,2-Dichloroethane MR 4 1990
1,1-Dichloroethylene MR 4 1990
1,1,1-Trichloroethane MR 4 1990
Benzene MR 4 1990
cis-1,2-Dichloroethylene MR 4 1990
1,2-DIBROMO-3-CHLOROPROPANE MR 4 1990
o-Dichlorobenzene MR 4 1990
1,2-Dichloropropane MR 4 1990
CHLOROBENZENE MR 4 1990
Ethylbenzene MR 4 1990
Styrene MR 4 1990
Carbon tetrachloride MR 4 1990
Trichloroethylene MR 4 1990
ETHYLENE DIBROMIDE MR 4 1990
DICHLOROMETHANE MR 4 1990
Tetrachloroethylene MR 4 1990
Total Haloacetic Acids (HAA5) MR 4 2007
1,1,2-Trichloroethane MR 4 1990
Toluene MR 4 1990
trans-1,2-Dichloroethylene MR 4 1990
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.