💧 ZIP Water Report

Tap water in Collinsville, OK — ZIP 74021

4 public water systems serving about 51,995 people.

F
Failing

Water systems serving 74021

Washington Co Rwd #3 (New,#1)
PWSID OK1021418 · serves 25,375 · surface water
0 health-based / 4 total violations (5 yrs)
B
Rogers Co Rwd # 3 Cot Sta
PWSID OK3006650 · serves 10,750 · surface water
2 health-based / 8 total violations (5 yrs)
F
Rogers Co Rwd # 3 Lake Plant
PWSID OK1021513 · serves 10,470 · surface water
16 health-based / 30 total violations (5 yrs)
F
Collinsville
PWSID OK1021505 · serves 5,400 · surface water
1 health-based / 25 total violations (5 yrs)
C

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology