Is Oswego, Kansas tap water safe?
3 water systems report serving Oswego. Your water depends on which one serves your address. Check your bill if unsure.
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City of Oswego
Serves 1,680 people · Surface water · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
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Labette Co Rwd 5
Serves 1,635 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
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Labette Co Rwd 1c
Serves 285 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).