Tap water in Ada, OK — ZIP 74820
4 public water systems serving about 37,983 people.
F
Failing
Water systems serving 74820
Ada
PWSID OK2006201 · serves 22,600 ·
groundwater
1 health-based / 3 total violations (5 yrs)
Bryan Co. Rws & Swmd #2
PWSID OK1010604 · serves 6,270 ·
surface water
3 health-based / 9 total violations (5 yrs)
Pontotoc Co Rwd # 7
PWSID OK3006215 · serves 4,863 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Pontotoc Co Rwd # 8
PWSID OK2006215 · serves 4,250 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology