Is BIG SKY COUNTY WATER AND SEWER DIST 363 Water Safe to Drink in 2026?
Montana · PWSID MT0002385 · Ground water
Population served
4,132
Cities served
BIG SKY
State / jurisdiction
Montana (MT)
PWSID
MT0002385
F
TAP WATER GRADE
High risk
Model score 24/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
97 violation record(s) in the latest EPA SDWA quarterly snapshotPFAS compounds detected in UCMR5 monitoring
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CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFBS
3.1
—
Within / n/a
Unregulated (monitored)
Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 97 violation-related records with this system in the same reporting quarter as the utility snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
Based on BIG SKY COUNTY WATER AND SEWER DIST 363's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
TOP PICKS FOR BIG SKY COUNTY WATER AND SEWER DIST 363
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR BIG SKY COUNTY WATER AND SEWER DIST 363 · Chosen for BIG SKY COUNTY WATER AND SEWER DIST 363 because the latest federal SDWA snapshot lists substantial violation activity. Certified reverse osmosis provides the broadest residential barrier for households that want margin beyond legal compliance.
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