Water Quality: Oklahoma City, OK
11 water systems • 677,192 people served
Multiple Health ViolationsWater Quality Summary
Oklahoma City is served by 11 public water systems with a combined service population of 677,192 people, and has 1,673 EPA Safe Drinking Water Act violations on record. Critically, 56 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Oklahoma City's violation count is 535% above the national average for Oklahoma. Contaminants associated with violations include Gross Alpha, Haloacetic Acids, Nitrate, Stage 2 DBP.
Contaminants Found
Alpha-emitting radioactive particles increase cancer risk, particularly from bone and other internal cancers.
Common source: Natural uranium and radium in geological formations
EPA limit: 15 pCi/L (excluding radon and uranium)
Linked to increased cancer risk and potential reproductive and developmental effects with long-term exposure.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Causes methemoglobinemia (blue baby syndrome) in infants, reducing the blood's ability to carry oxygen.
Common source: Fertilizer runoff, septic systems, animal feedlots, natural deposits
EPA limit: 10 mg/L (as nitrogen)
Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.
Common source: Chlorine disinfection reacting with natural organic matter in source water
EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L
Water Systems Serving Oklahoma City
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| OKLAHOMA CITY | OK1020902 | Surface Water | 644,000 | 0 |
| TINKER AIR FORCE BASE | OK2005508 | Groundwater | 24,645 | 24 |
| FALLS CREEK BAPTIST CONFERENCE CENTER | OK1010840 | Surface Water | 7,000 | 36 |
| LAKE FOREST MHP | OK3005557 | Surface Water | 500 | 41 |
| HILLCREST MHP | OK2005513 | Groundwater | 400 | 49 |
| ABES RV PARK | OK5005548 | Groundwater | 175 | 130 |
| SHERWOOD FOREST MOBILE ESTATES | OK2005532 | Groundwater | 172 | 724 |
| HILLTOP MHP | OK4005577 | Groundwater | 125 | 38 |
| HOLLIDAY OUTT MHP | OK2005534 | Groundwater | 100 | 47 |
| COUNTRY MHP | OK4002610 | Groundwater | 50 | 562 |
| GORDON'S HOLLOW HOA | OK3000911 | Surface Water | 25 | 22 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Oklahoma
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.