Is Dearing, OK Tap Water Safe to Drink?
Graded B, with 14 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
79.7/100
Dearing, OK — Water Quality Report
Dearing's drinking water received a grade of B (79.7 out of 100), indicating good water quality. The city's 2 water systems serve approximately 804 residents using purchased surface water.
Lead levels were measured at 0.7 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 21 violations on record, including 4 health-based violations. 14 remain unresolved.
What to know about Dearing's water
Dearing ranks #84 out of 358 cities in Oklahoma for water quality, placing it above 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, Dearing may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Dearing, OK water safe to drink?
Dearing's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 804 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Dearing
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Dearing's water quality assessment. Grade: B (79.7/100).
Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Revised Total Coliform Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Dearing's water supply.
Well within EPA limits.
Violation history
Dearing's water system has 21 total violations on record, including 4 health-based violations. 14 remain unresolved. 2 violations were issued in the last 5 years.
Where does Dearing's water come from?
Dearing's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 804 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What Dearing residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Dearing'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.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
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. | 0.7 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Dearing compares by contaminant
Explore where Dearing ranks among all Oklahoma cities for specific contaminants.
Water source & infrastructure
Where Dearing's water comes from
Dearing'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 804 people through 2 water systems.
Water systems serving Dearing
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MONTGOMERY CO RWD 2C B | KS2012516 | 428 | SWP |
| DEARING, CITY OF | KS2012511 | 376 | SWP |
How Dearing compares
Full Oklahoma rankings →Dearing's score of 79.7/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Oklahoma rankings →Learn more about your water
Guides and resources related to Dearing's water quality findings.
Explore water quality across Montgomery
Frequently asked questions
Is Dearing, OK tap water safe to drink?
Dearing's water quality earned a grade of B (79.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #84 out of 358 cities tested in Oklahoma.
What contaminants are in Dearing's water?
Lead was measured at 0.7 ppb (90th percentile). 21 violations are on record.
How is Dearing'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 Dearing?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Dearing's water come from?
Dearing's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 804 residents.
What health violations has Dearing's water system had?
Dearing has 4 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.
How does Dearing's water compare to other cities?
Dearing ranks #84 out of 358 cities in Oklahoma (better than 77% of state cities) and #8172 out of 15744 cities nationally (48th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.