Sweet Grass, Montana Water Quality Report
Water quality data for 2 water systems serving 200 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (8)
52
Oct 1, 2024
52
Oct 1, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (251)
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
36
Jan 1, 2024 — Jan 31, 2024
27
Jan 1, 2024 — Mar 31, 2024
27
Jan 1, 2024 — Mar 31, 2024
+ 246 more resolved violations
Frequently Asked Questions
Is Sweet Grass tap water safe to drink?
Sweet Grass's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Sweet Grass tap water?
0 contaminants have been detected in Sweet Grass's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Sweet Grass?
Install a water filter rated for the specific contaminants found in Sweet Grass's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Sweet Grass have any water quality violations?
Yes, Sweet Grass currently has 8 active violations. See the violations section above for details.