Millerton, OK Tap Water Quality 2026

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

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

Main Utility: Mccurtain Co. Rwd #2 PWSID: OK3004814 Updated: 2026 Q2

✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS has never been sampled at this system.

Millerton earns a B for water quality

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

Lead: not detected

PFAS never sampled at this system

64 violations since 2015, 37 health-based

No violations currently open

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

0 ppb5 ppb10 ppb15 ppb

Lead level: Not detected — 0% of the federal action level

✓ Lower lead than % of Oklahoma utilities

Population Served

215

~363 connections

Water Source

Surface water

Purchased from another system — SDWIS source code SWP

Active Violations

64 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)

90th percentile of tap samples collected across the distribution system

0% of EPA action level

Not detected

Action level: 15 ppb

Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

Contaminant	Type	Measured	Limit	Period	Status
LEAD AND COPPER RULE REVISIONS	TREATMENT TECHNIQUE	—	—	2024	Addressed
LEAD AND COPPER RULE REVISIONS	REPORTING FAILURE	—	—	2024	Addressed
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.063 MG/L	0.060 mg/L	2024	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.061 MG/L	0.060 mg/L	2023	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2023	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2023	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.061 MG/L	0.060 mg/L	2023	Archived
TTHM	MCL EXCEEDANCE	0.083 MG/L	0.080 mg/L	2023	Archived
TTHM	MCL EXCEEDANCE	0.081 MG/L	0.080 mg/L	2023	Archived
TTHM	MCL EXCEEDANCE	0.082 MG/L	0.080 mg/L	2023	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2023	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.063 MG/L	0.060 mg/L	2023	Resolved
TTHM	MCL EXCEEDANCE	0.084 MG/L	0.080 mg/L	2023	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2022	Resolved
Consumer Confidence Rule	OTHER	—	—	2022	Resolved
TTHM	MCL EXCEEDANCE	0.088 MG/L	0.080 mg/L	2022	Resolved
TTHM	MCL EXCEEDANCE	0.088 MG/L	0.080 mg/L	2022	Resolved
TTHM	MCL EXCEEDANCE	0.088 MG/L	0.080 mg/L	2021	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2021	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.061 MG/L	0.060 mg/L	2021	Resolved
TTHM	MCL EXCEEDANCE	0.102 MG/L	0.080 mg/L	2021	Resolved
TTHM	MCL EXCEEDANCE	0.09 MG/L	0.080 mg/L	2021	Resolved
Consumer Confidence Rule	OTHER	—	—	2021	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2021	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2021	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2021	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2021	Resolved
TTHM	MCL EXCEEDANCE	0.093 MG/L	0.080 mg/L	2021	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.079 MG/L	0.060 mg/L	2021	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.098 MG/L	0.060 mg/L	2021	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.095 MG/L	0.060 mg/L	2021	Resolved
TTHM	MCL EXCEEDANCE	0.127 MG/L	0.080 mg/L	2021	Resolved
TTHM	MCL EXCEEDANCE	0.11 MG/L	0.080 mg/L	2021	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2020	Resolved
Revised Total Coliform Rule	MONITORING FAILURE	—	—	2020	Resolved
Consumer Confidence Rule	OTHER	—	—	2020	Resolved
Chlorine	MONITORING AND REPORTING	—	4.0 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.101 MG/L	0.060 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.104 MG/L	0.060 mg/L	2020	Resolved
TTHM	MCL EXCEEDANCE	0.133 MG/L	0.080 mg/L	2020	Resolved
TTHM	MCL EXCEEDANCE	0.116 MG/L	0.080 mg/L	2020	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.097 MG/L	0.060 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.099 MG/L	0.060 mg/L	2020	Resolved
TTHM	MCL EXCEEDANCE	0.113 MG/L	0.080 mg/L	2020	Resolved
TTHM	MCL EXCEEDANCE	0.113 MG/L	0.080 mg/L	2020	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.082 MG/L	0.060 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.08 MG/L	0.060 mg/L	2020	Resolved
TTHM	MCL EXCEEDANCE	0.101 MG/L	0.080 mg/L	2020	Resolved
TTHM	MCL EXCEEDANCE	0.1 MG/L	0.080 mg/L	2020	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.064 MG/L	0.060 mg/L	2020	Resolved
TTHM	MCL EXCEEDANCE	0.089 MG/L	0.080 mg/L	2020	Resolved
TTHM	MCL EXCEEDANCE	0.082 MG/L	0.080 mg/L	2020	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2019	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2019	Resolved
TTHM	MCL EXCEEDANCE	0.081 MG/L	0.080 mg/L	2019	Resolved
Consumer Confidence Rule	OTHER	—	—	2016	Resolved
Consumer Confidence Rule	OTHER	—	—	2015	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

64 violations are on record since 2015, of which 37 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Mccurtain Co. Rwd #2

PWSID OK3004814

Water source Surface water — Purchased from another system — SDWIS source code SWP

Population served 215

Service connections 363

Systems serving this area 1

Regulator State primacy agency

Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Millerton tap water safe to drink? ▼

No federal limit is exceeded on record. No violations are currently open.

Does Millerton 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 Millerton? ▼

Mccurtain Co. Rwd #2 (PWSID OK3004814). Surface water. Purchased from another system — SDWIS source code SWP

When was this system last inspected? ▼

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

What Should Millerton 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.

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