Water Quality: Ponca City, OK
7 water systems • 32,720 people served
Multiple Health ViolationsWater Quality Summary
Ponca City is served by 7 public water systems with a combined service population of 32,720 people, and has 233 EPA Safe Drinking Water Act violations on record. Critically, 23 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Ponca City's violation count is 11% below the national average for Oklahoma. Contaminants associated with violations include Disinfection Byproducts, Gross Alpha, Nitrate, Stage 2 DBP.
Contaminants Found
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
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)
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 Ponca City
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| PONCA CITY MUN WATER | OK1021202 | Surface Water | 27,155 | 48 |
| MCCORD RWD #3 | OK3005747 | Surface Water | 1,800 | 4 |
| KAY CO RWD #1 | OK3003605 | Surface Water | 1,765 | 11 |
| KAY CO RWD #3 | OK3003602 | Surface Water | 1,000 | 8 |
| OSAGE CO RWS & SWD #3 (BRADEN) | OK3005748 | Surface Water | 700 | 29 |
| NOBLE CO RWD #3 | OK2005207 | Groundwater | 250 | 79 |
| MASON TRAILER PARK | OK2007062 | Groundwater | 50 | 54 |
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.