PlainWater

HOVING BUSINESS CENTER

PWS ID: MT0004896 · HELENA, Montana 59624

Population Served
170
Total Violations
702
Health-Based Violations
49
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Lewis and Clark
School/Daycare
No
MCL Violations
24
Monitoring Violations
653
Treatment Tech Violations
25

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule MR 238 2024
Revised Total Coliform Rule MON 72 2025
Nitrate-Nitrite MR 56 2025
Groundwater Rule TT 25 2024
Nitrate-Nitrite MCL 24 2016
Chlorine MR 20 2019
o-Dichlorobenzene MR 10 2018
1,1-Dichloroethylene MR 10 2018
trans-1,2-Dichloroethylene MR 10 2018
1,2-Dichloroethane MR 10 2018
1,1,1-Trichloroethane MR 10 2018
Carbon tetrachloride MR 10 2018
1,2-Dichloropropane MR 10 2018
Trichloroethylene MR 10 2018
1,1,2-Trichloroethane MR 10 2018
Styrene MR 10 2018
DICHLOROMETHANE MR 10 2018
p-Dichlorobenzene MR 10 2018
Tetrachloroethylene MR 10 2018
CHLOROBENZENE MR 10 2018
Benzene MR 10 2018
Toluene MR 10 2018
Ethylbenzene MR 10 2018
1,2,4-Trichlorobenzene MR 10 2018
cis-1,2-Dichloroethylene MR 10 2018
Vinyl chloride MR 10 2018
Xylenes, Total MR 10 2018
TTHM MR 8 2021
Total Haloacetic Acids (HAA5) MR 8 2021
Lead and Copper Rule MR 6 2023
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.