Water Quality: Holdenville, OK

2 water systems • 5,532 people served

Multiple Health Violations
319
Total Violations
183
Health-Based Violations
2
Water Systems
5,532
Population Served

Water Quality Summary

Holdenville is served by 2 public water systems with a combined service population of 5,532 people, and has 319 EPA Safe Drinking Water Act violations on record. Critically, 183 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Holdenville's violation count is 21% above the national average for Oklahoma. Contaminants associated with violations include Contaminant 2920, E. coli, Fecal Coliform, Gross Alpha, Stage 2 DBP.

Contaminants Found

Contaminant 2920
E. coli

Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.

Common source: Fecal contamination from humans or animals entering the water supply

EPA limit: Zero (no E. coli permitted in drinking water)

Fecal Coliform

Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.

Common source: Human and animal fecal waste

EPA limit: Zero tolerance (any positive triggers violations)

Gross Alpha

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)

Stage 2 DBP

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

TTHM

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)

Total Haloacetic Acids (HAA5)

Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.

Common source: Reaction of chlorine disinfectants with organic matter in treated water

EPA limit: 0.060 mg/L (60 ppb)

Water Systems Serving Holdenville

System Name PWSID Source Population Violations
HOLDENVILLE OK1020803 Surface Water 4,732 272
HUGHES CO. RWD #5 OK3003204 Surface Water 800 47

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

View all 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.

Verify at epa.govSearch ECHO for OK