Is Collinsville, Oklahoma tap water safe?
4 water systems report serving Collinsville. 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.
A
Washington Co Rwd #3 (New, #1)
Serves 25,375 people · Surface water · Full report →
No health-based violations in the last 5 years; 4 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C
Rogers Co Rwd # 3 Cot Sta
Serves 10,750 people · Surface water · Full report →
2 health-based violations in the last 5 years; 6 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
D
Rogers Co Rwd # 3 Lake Plant
Serves 10,470 people · Surface water · Full report →
16 health-based violations in the last 5 years; 14 monitoring/reporting violations; 8 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C
Collinsville
Serves 5,400 people · Surface water · Full report →
1 health-based violation in the last 5 years; 24 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).