# Libby Work Center: health-based drinking water violation (revised total coliform rule) in Libby, MT

**Score:** 50/100

| Field | Value |
|---|---|
| Water system | Libby Work Center |
| PWSID | MT0062353 |
| System type | Transient non-community (campgrounds, restaurants) |
| Owner type | Federal government |
| Population served | 33 |
| Location | Libby, MT |
| Contaminant | Revised Total Coliform Rule |
| Rule group | Microbial (coliform, E. coli, treatment technique) |
| Compliance period | 2026-07-21 |
| Status | Open |
| Public notice tier | 2 |

## Why this score
- Not yet returned to compliance.

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO (https://echo.epa.gov/detailed-facility-report?fid=110052979979). Last refreshed: 2026-11-04T06:06:47.254Z.
From EPA SDWIS federal data, which lags state records by up to a quarter. A violation is a regulatory finding about a water system, not a statement about current water quality. Verify with the state drinking water program.