Is Tonkawa, Oklahoma tap water safe?
3 water systems report serving Tonkawa. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
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Tonkawa
Serves 3,299 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 6 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
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Garfield Co Rwd #6
Serves 1,225 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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Tonkawa Tribe of Oklahoma
Serves 400 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).