Big Sky, Montana Water Quality Report
Water quality data for 15 water systems serving 8,385 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBS | 0.003 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Resolved Violations (500)
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
3A
Oct 1, 2021 — Oct 31, 2021
3A
Oct 1, 2021 — Oct 31, 2021
+ 495 more resolved violations
Frequently Asked Questions
Is Big Sky tap water safe to drink?
Big Sky's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Big Sky tap water?
1 contaminants have been detected in Big Sky's water supply across 15 water systems. See the full contaminant table above for details.
How can I improve my water quality in Big Sky?
Install a water filter rated for the specific contaminants found in Big Sky's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Big Sky have any water quality violations?
Yes, Big Sky currently has 4 active violations. See the violations section above for details.