Water Quality: Guthrie, OK

3 water systems • 18,931 people served

Multiple Health Violations
708
Total Violations
16
Health-Based Violations
3
Water Systems
18,931
Population Served

Water Quality Summary

Guthrie is served by 3 public water systems with a combined service population of 18,931 people, and has 708 EPA Safe Drinking Water Act violations on record. Critically, 16 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Guthrie's violation count is 169% above the national average for Oklahoma. Contaminants associated with violations include Contaminant 1009, Contaminant 2920, Gross Alpha, Nitrate, Stage 2 DBP.

Contaminants Found

Contaminant 1009
Contaminant 2920
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)

Nitrate

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)

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

Total Coliform (TCR)

Indicates possible presence of disease-causing organisms that can cause gastrointestinal illness.

Common source: Human and animal fecal waste, soil, vegetation

EPA limit: No more than 5% of monthly samples may be positive

Water Systems Serving Guthrie

System Name PWSID Source Population Violations
GUTHRIE OK1020903 Surface Water 9,925 16
LOGAN CO RWD #1 OK2004207 Surface Water 8,907 26
PEPPERS RANCH OK4004216 Groundwater 99 666

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

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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