PlainWater

MONTANA LEARNING CENTER

PWS ID: MT0003923 · HELENA, Montana 59602

Population Served
81
Total Violations
34
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
State
Connections
15
County
Lewis and Clark
School/Daycare
Yes
MCL Violations
14
Monitoring Violations
20
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 11 2012
Nitrate-Nitrite MR 9 2020
Revised Total Coliform Rule MCL 9 2019
Coliform (TCR) MCL 5 2000
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.