Water Quality: Cache, OK
2 water systems • 5,371 people served
Multiple Health ViolationsWater Quality Summary
Cache is served by 2 public water systems with a combined service population of 5,371 people, and has 169 EPA Safe Drinking Water Act violations on record. Critically, 131 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Cache's violation count is 36% below the national average for Oklahoma. Contaminants associated with violations include Gross Alpha, Lead, Nitrate, Stage 2 DBP, TTHM.
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)
Causes neurological damage, developmental delays in children, and kidney damage in adults even at low exposure levels.
Common source: Old plumbing pipes, lead solder, brass fixtures
EPA limit: Action Level: 0.015 mg/L (15 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
Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.
Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water
EPA limit: 0.080 mg/L (80 ppb)
Water Systems Serving Cache
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| COMANCHE CO RWD #4 | OK3001654 | Surface Water | 3,000 | 131 |
| CACHE | OK2001607 | Groundwater | 2,371 | 38 |
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.