Is Thompson Falls, Montana tap water safe?

4 water systems report serving Thompson Falls. Your water depends on which one serves your address. Check your bill if unsure.

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City of Thompson Falls

Serves 1,950 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
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Salish Shores Trade Winds Comm Village

Serves 215 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
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Woodside Park County Water and Sewer Dis

Serves 115 people · Groundwater · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 2017 (older than 5 years, not graded).
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North Shore Estates HOA

Serves 65 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).