Tamaha, OK Tap Water Quality 2026

Water quality report for Tamaha, OK — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Tamaha's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Haskell Co. Water Company PWSID: OK1020301 Updated: 2026 Q2

✅

No federal limits exceeded on record

Lead is 3.40 ppb, 23% of the action level and no violations are open. PFAS has never been sampled at this system.

Tamaha earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 3.40 ppb — 23% of the federal action level

PFAS never sampled at this system

28 violations since 2015, 20 health-based

No violations currently open

Tamaha's lead level vs. all Oklahoma community water systems

0 ppb5 ppb10 ppb15 ppb

Lead level: 3.40 ppb — 23% of the federal action level

✓ Lower lead than 26% of Oklahoma utilities

Population Served

133

~1600 connections

Water Source

Surface water

Drawn from surface water — SDWIS source code SW

Active Violations

28 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)

90th percentile of tap samples collected across the distribution system

23% of EPA action level

3.40 ppb

Action level: 15 ppb

The 90th-percentile lead result is 3.40 ppb, 23% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

Contaminant	Type	Measured	Limit	Period	Status
CARBON, TOTAL	TREATMENT TECHNIQUE	0.35 RATIO	TT	2025	Archived
Chlorine	MONITORING AND REPORTING	—	4.0 mg/L	2025	Resolved
Revised Total Coliform Rule	MONITORING FAILURE	—	—	2025	Resolved
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2025	Resolved
CARBON, TOTAL	TREATMENT TECHNIQUE	0.37 RATIO	TT	2025	Archived
CARBON, TOTAL	TREATMENT TECHNIQUE	0.54 RATIO	TT	2025	Archived
Interim Enhanced Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2025	Archived
Interim Enhanced Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2025	Archived
Interim Enhanced Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2025	Archived
Interim Enhanced Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2025	Archived
TTHM	MCL EXCEEDANCE	0.097 MG/L	0.080 mg/L	2025	Archived
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2024	Resolved
LEAD AND COPPER RULE REVISIONS	TREATMENT TECHNIQUE	—	—	2024	Addressed
LEAD AND COPPER RULE REVISIONS	REPORTING FAILURE	—	—	2024	Addressed
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2024	Resolved
TTHM	MCL EXCEEDANCE	0.093 MG/L	0.080 mg/L	2024	Archived
TTHM	MCL EXCEEDANCE	0.083 MG/L	0.080 mg/L	2024	Archived
Interim Enhanced Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2024	Archived
Interim Enhanced Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2024	Archived
Interim Enhanced Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2024	Archived
Interim Enhanced Surface Water Treatment Rule	MONITORING AND REPORTING	—	—	2023	Resolved
Interim Enhanced Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2023	Archived
Interim Enhanced Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2023	Archived
Interim Enhanced Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2023	Archived
Interim Enhanced Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2023	Archived
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	2017	Resolved
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	2017	Resolved
CARBON, TOTAL	MONITORING AND REPORTING	—	TT	2016	Resolved

Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

28 violations are on record since 2015, of which 20 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Haskell Co. Water Company

PWSID OK1020301

Water source Surface water — Drawn from surface water — SDWIS source code SW

Population served 133

Service connections 1,600

Systems serving this area 1

Regulator State primacy agency

Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Tamaha tap water safe to drink? ▼

No federal limit is exceeded on record. No violations are currently open. Lead is 3.40 ppb, 23% of the action level.

Does Tamaha water have PFAS? ▼

This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.

Who supplies water to Tamaha? ▼

Haskell Co. Water Company (PWSID OK1020301). Surface water. Drawn from surface water — SDWIS source code SW

When was this system last inspected? ▼

It was last inspected on 2025-09-30. No significant deficiencies were recorded.

What Should Tamaha Residents Do?

Read your annual water report

Your supplier publishes a Consumer Confidence Report each July covering the prior year.

Check for a lead service line

Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.

Flush before drinking

If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

Nearby Cities in Oklahoma

Stigler, Ok Tap Water Quality 2026 Haskell Whitefield, Ok Tap Water Quality 2026 Haskell Kinta, Ok Tap Water Quality 2026 Haskell Keota, Ok Tap Water Quality 2026 Haskell Enterprise, Ok Tap Water Quality 2026 Haskell Lequire, Ok Tap Water Quality 2026 Haskell