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WaterVerge

Water quality report · updated Jul 2026

Is Talihina, OK Tap Water Safe to Drink?

Graded D — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do ↓

1 contaminant over a legal limit
2.6 ppb lead, 90th percentile · low
29 unresolved violations
2K people served by 2 water systems

PWSID OK3003903 · high data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
D 45 / 100

#316 of 357Oklahoma cities
How we grade →

01The verdict: is Talihina water safe?

Talihina's drinking water has significant quality concerns based on EPA testing data. With a grade of D (45/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,450 residents using surface water (rivers, lakes, or reservoirs).

The concern

Copper is over its legal limit

Measured at 2.30 mg/L against the EPA Action Level of 1.3 mg/L. The ledger below shows how far over — and which filter removes it.

See the measurement ↓
The good news

Lead is well under the limit

90th-percentile lead is 2.6 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

53 violations in the last five years

Recent compliance history is the best predictor of future problems — the year-by-year record is below.

See the record ↓

Talihina's drinking water received a grade of D (45 out of 100), indicating poor water quality. The city's 2 water systems serve approximately 2,450 residents using purchased surface water.

Lead levels were measured at 2.6 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 355 violations on record, including 295 health-based violations. 29 remain unresolved.

Talihina ranks #316 out of 357 cities in Oklahoma for water quality, placing it among the lowest-rated 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, Talihina may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities. The system has seen 53 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

How the 45/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
0 / 45F
Lead & CopperLead at 2.6 ppb (90th percentile).
16 / 20B
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
8 / 10B
Source RiskWater source: Purchased surface water.
4 / 5B

02What's in Talihina's water

Every contaminant flagged in Talihina, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

2 detections · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%

Over Limit — EPA Action Level: 1.3 mg/L

Exceeds the EPA action level. Copper leaches from household plumbing — flush taps for 30 seconds before drinking, and consider a certified filter.
Exceeds Limit What to do →
2 contaminants tested under EPA SDWIS, LCR and UCMR programs · 2 detected · not yet tested for PFAS under UCMR 5

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.6 15 ppb Inorganic Safe
Copper (90th percentile) 2.30 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03Talihina's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 355 violations on record, including 295 health-based violations. 29 remain unresolved.

1 of the last ten years was clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.

80 health-based in 10 yrs 30 monitoring & paperwork 21 still unresolved
UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Talihina's water quality assessment. Grade: D (45/100).
Violation2 drinking water violations recordedContaminants: Consumer Confidence Rule, Lead and Copper Rule.Open
Violation1 drinking water violation recorded1 health-based. Contaminants: TTHM.Resolved
Violation5 drinking water violations recorded3 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS, TTHM.Open
Lead, 90th percentileppb · lower is better
010203040EPA action level · 15 ppb1993 — 0 ppb1996 — 15 ppb2000 — 6 ppb2005 — 0 ppb2006 — 0 ppb2007 — 0 ppb2008 — 0 ppb2009 — 0 ppb2012 — 0 ppb2013 — 23 ppb2014 — 30 ppb2015 — 17 ppb2016 — 25 ppb2017 — 19 ppb2018 — 5.5 ppb2019 — 8.4 ppb2020 — 9.8 ppb2021 — 2.9 ppb2022 — 1.9 ppb2023 — 1.5 ppb2024 — 1.8 ppb2025 — 2.6 ppb2.6199320072014201920242025

Up 2.6 ppb since 1993. Latest reading: 2.6 ppb (2025) — 17% of the action level. Sampled at higher-risk homes (90th percentile).

Copper, 90th percentilemg/L · lower is better
01234EPA action level · 1.3 mg/L2013 — 1.7 mg/L2014 — 1.6 mg/L2015 — 2.8 mg/L2016 — 2.0 mg/L2017 — 2.3 mg/L2018 — 2.3 mg/L1.72.32013201520172018

Up 0.59 mg/L since 2013. The latest reading (2.3 mg/L, 2018) is over the action level. Sampled at higher-risk homes (90th percentile).

04Where Talihina's water comes from

Talihina's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Source

Purchased Surface Water

Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.

Treatment

Wholesale supplier

Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.

Distribution

2 systems

2 water systems, operated under local government ownership.

Delivery

2,450 people

Residents served across Talihina's service area.

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 2,450 people through 2 water systems.

System namePWSIDPopulationSource
LATIMER CO. RWD #2 OK3003903 1,500 Purchased Surface Water
TALIHINA PWA OK1010304 950 Surface Water

05How Talihina compares

Scores for nearby Oklahoma cities on one line, with the average marked.

Tulsa
48.5 · D
Talihina (this city)
45 · D
Lawton
44.4 · F
Broken Arrow
43.9 · F
Oklahoma City
38.6 · F
Norman
38.4 · F

dashed line = Oklahoma average (45/100)

Talihina scores 45/100on par with the Oklahoma average of 45/100. It outscores 8 of 10 nearby cities. Full Oklahoma rankings →

Latimer water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

06What to do at home

Steps matched to what testing actually found in Talihina's water — not generic advice.

Because of copper

Filter drinking & cooking water

NSF-certified water filter. Copper exceeds the EPA action level of 1.3 mg/L

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Talihina alerts

We refresh EPA data monthly and surface new violations, advisories, and boil-water notices for your county on this page.

All water alerts →

Frequently asked questions

Is Talihina, OK tap water safe to drink?

Talihina's water quality earned a grade of D (45/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #316 out of 357 cities tested in Oklahoma.

What contaminants are in Talihina's water?

Lead was measured at 2.6 ppb (90th percentile). 355 violations are on record.

How is Talihina'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 Talihina?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Talihina's water come from?

Talihina's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 2,450 residents.

What health violations has Talihina's water system had?

Talihina has 295 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. 29 violations remain unresolved.

How does Talihina's water compare to other cities?

Talihina ranks #316 out of 357 cities in Oklahoma (better than 11% of state cities) and #13974 out of 15382 cities nationally (9th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

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About Talihina, OK: Talihina is a town in LeFlore County, Oklahoma, United States. Located on the Choctaw Reservation, its name originates from two Choctaw words, tully and hena, meaning "iron road," a reference to the railroad around which the town was built. The population was 925 at the time of the 2020 Census. Median household income $35,455 · median age 45.5 · 51.7% homeowners · 14% college educated. Wikipedia → Service area: 1 ZIP code across Latimer.
Show ZIP codes 74571
Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.