Is Tinker Afb, OK Tap Water Safe to Drink?
Graded B+, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
82.5/100
Tinker Afb, OK — Water Quality Report
Tinker Afb's drinking water received a grade of B+ (82.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,100 residents using purchased ground 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 6 violations on record, including 0 health-based violations. 6 remain unresolved.
What to know about Tinker Afb's water
Tinker Afb ranks #60 out of 358 cities in Oklahoma for water quality, placing it above average in the state.
Tinker Afb purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.
As a small community water system, Tinker Afb may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Tinker Afb, OK water safe to drink?
Tinker Afb's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,100 residents using groundwater (wells).
Recent water quality updates for Tinker Afb
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Tinker Afb's water quality assessment. Grade: B+ (82.5/100).
Contaminants: Lead and Copper Rule.
Contaminants: Consumer Confidence Rule.
Contaminants: Consumer Confidence Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Tinker Afb's water supply.
Well within EPA limits.
Violation history
Tinker Afb's water system has 6 total violations on record, including 0 health-based violations. 6 remain unresolved. 3 violations were issued in the last 5 years.
Where does Tinker Afb's water come from?
Tinker Afb's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,100 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Tinker Afb residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Tinker Afb'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
Drought conditions
D3 — extreme droughtOklahoma County is currently in D3 (extreme 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.
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 Tinker Afb compares by contaminant
Explore where Tinker Afb ranks among all Oklahoma cities for specific contaminants.
Water source & infrastructure
Where Tinker Afb's water comes from
Tinker Afb purchases its water supply from a regional wholesale provider rather than treating raw water directly.
Water quality depends on both the wholesaler's treatment standards and the condition of Tinker Afb's local distribution pipes and storage facilities.
Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.
The system is operated by local government ownership and serves approximately 2,100 people through 1 water system.
Water systems serving Tinker Afb
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TINKER AFB FAMILY HOUSING | OK8005550 | 2,100 | GWP |
How Tinker Afb compares
Full Oklahoma rankings →Tinker Afb's score of 82.5/100 is above the average of 45/100 among major Oklahoma cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Oklahoma rankings →Learn more about your water
Guides and resources related to Tinker Afb's water quality findings.
Explore water quality across Oklahoma
Frequently asked questions
Is Tinker Afb, OK tap water safe to drink?
Tinker Afb's water quality earned a grade of B+ (82.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #60 out of 358 cities tested in Oklahoma.
What contaminants are in Tinker Afb's water?
Lead was measured at 0.0 ppb (90th percentile). 6 violations are on record.
How is Tinker Afb'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 Tinker Afb?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Tinker Afb's water come from?
Tinker Afb's water is sourced from Purchased ground water. The city has 1 water system serving approximately 2,100 residents.
Is Tinker Afb's groundwater at risk of contamination?
Tinker Afb uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 6 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Tinker Afb's water compare to other cities?
Tinker Afb ranks #60 out of 358 cities in Oklahoma (better than 83% of state cities) and #6921 out of 15744 cities nationally (56th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Tinker Afb's small water system affect quality?
Tinker Afb's system serves approximately 2,100 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 6 violations on record.