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Public Water System
CUSTER CO WATER AND SEWER DIST
PWSID MT0003041 · Montana · 480 people served
A
ExcellentCUSTER CO WATER AND SEWER DIST is an EPA-regulated public water system in Montana (PWSID MT0003041). It serves an estimated 480 residents — a rural community of customers — across 1 community across 1 ZIP code.
CUSTER CO WATER AND SEWER DIST has maintained full EPA Safe Drinking Water Act compliance over the most recent five-year reporting window. No health-based Maximum Contaminant Level (MCL) exceedances are on record. The grade of A reflects this clean compliance history.
Service Area
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Centered on the averaged ZIP-code centroid of 1 ZIP served.
Population
480
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for CUSTER CO WATER AND SEWER DIST over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
CUSTER CO WATER AND SEWER DIST's water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.
Cities Served by CUSTER CO WATER AND SEWER DIST
ZIP Codes Served
About this system
EPA records this system as PWSID MT0003041. Data reflects the most recent EPA SDWIS publication as of 2026-05-18. Public Water System Identifiers (PWSIDs) are assigned by the EPA's Safe Drinking Water Act program to track every regulated water utility in the United States. The first two letters typically indicate the state primacy agency. For real-time water quality information, contact CUSTER CO WATER AND SEWER DIST directly or review their annual Consumer Confidence Report (CCR).
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