Is Hominy, OK Tap Water Safe to Drink?
Graded D, with 63 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
49/100
waterverge.com Hominy, OK — Water Quality Report
Hominy's drinking water received a grade of D (49 out of 100), indicating poor water quality. The city's 1 water system serves approximately 2,584 residents using surface water.
Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 390 violations on record, including 235 health-based violations. 63 remain unresolved.
What to know about Hominy's water
Hominy ranks #234 out of 358 cities in Oklahoma for water quality, placing it below average in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
As a small community water system, Hominy may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 283 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Hominy, OK water safe to drink?
Hominy's drinking water has significant quality concerns based on EPA testing data. With a grade of D (49/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,584 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Hominy
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Hominy's water quality assessment. Grade: D (49/100).
Contaminants: Lead and Copper Rule.
Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Contaminants: Chlorine, Revised Total Coliform Rule.
Federal disaster declaration (FEMA DR-3411). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3219). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Hominy's water supply.
Well within EPA limits.
Violation history
Hominy's water system has 390 total violations on record, including 235 health-based violations. 63 remain unresolved. 283 violations were issued in the last 5 years.
Flood & environmental risk
Osage County has experienced 8 federally declared disasters since 1971. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Hominy Creek Near Hominy.
Where does Hominy's water come from?
Hominy's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,584 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Hominy Creek Near Hominy (river).
What Hominy residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hominy's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Hominy's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D1 — moderate droughtOsage County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Osage County has experienced 8 federally declared disasters since 1971. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Hominy compares by contaminant
Explore where Hominy ranks among all Oklahoma cities for specific contaminants.
Water source & infrastructure
Where Hominy's water comes from
Hominy's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 2,584 people through 1 water system.
Water bodies near Hominy
Hominy is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Hominy
| System Name | PWSID | Population | Source |
|---|---|---|---|
| HOMINY | OK1021306 | 2,584 | SW |
How Hominy compares
Full Oklahoma rankings →Hominy's score of 49/100 is on par with the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Oklahoma rankings →About Hominy, OK
Wikipedia →Hominy is a city in Osage County, Oklahoma, United States. As of the 2020 census, the community had 3,329 residents.
Learn more about your water
Guides and resources related to Hominy's water quality findings.
Explore water quality across Osage
Frequently asked questions
Is Hominy, OK tap water safe to drink?
Hominy's water quality earned a grade of D (49/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #234 out of 358 cities tested in Oklahoma.
What contaminants are in Hominy's water?
Lead was measured at 0.0 ppb (90th percentile). 390 violations are on record.
How is Hominy's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Hominy?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Hominy's water come from?
Hominy's water is sourced from Surface water. The city has 1 water system serving approximately 2,584 residents.
What health violations has Hominy's water system had?
Hominy has 235 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 63 violations remain unresolved.
How does Hominy's water compare to other cities?
Hominy ranks #234 out of 358 cities in Oklahoma (better than 35% of state cities) and #13337 out of 15744 cities nationally (15th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Hominy's small water system affect quality?
Hominy's system serves approximately 2,584 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 390 violations on record.