States ›Oklahoma ›Hughes County ›Horntown

Horntown, OK Tap Water Quality 2026

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

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

Main Utility: Hughes Co. Rwd #3 PWSID: OK3003202 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 0.61 ppb, 4% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Horntown earns a B for water quality

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

Lead: 0.61 ppb — 4% of the federal action level
PFAS never sampled at this system
50 violations since 2015, 37 health-based
No violations currently open
Horntown's lead level vs. all Oklahoma community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 0.61 ppb — 4% of the federal action level
✓ Lower lead than 94% of Oklahoma utilities
Population Served
92
~331 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
50 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
4% of EPA action level
0.61 ppb
Action level: 15 ppb
The 90th-percentile lead result is 0.61 ppb, 4% 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)

ContaminantTypeMeasuredLimitPeriodStatus
TTHM MCL EXCEEDANCE 0.087 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2025 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2025 Resolved
TTHM MCL EXCEEDANCE 0.089 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.083 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 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
TTHM MCL EXCEEDANCE 0.084 MG/L 0.080 mg/L 2024 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2024 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2022 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.106 MG/L 0.080 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.117 MG/L 0.080 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.121 MG/L 0.080 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.118 MG/L 0.080 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.099 MG/L 0.080 mg/L 2021 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.087 MG/L 0.080 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.092 MG/L 0.080 mg/L 2021 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2020 Resolved
TTHM MCL EXCEEDANCE 0.096 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.102 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.106 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.099 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.1 MG/L 0.080 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.089 MG/L 0.080 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.083 MG/L 0.080 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.095 MG/L 0.080 mg/L 2018 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.094 MG/L 0.080 mg/L 2017 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.102 MG/L 0.080 mg/L 2017 Archived
TTHM MCL EXCEEDANCE 0.11 MG/L 0.080 mg/L 2017 Archived
TTHM MCL EXCEEDANCE 0.113 MG/L 0.080 mg/L 2017 Archived
TTHM MCL EXCEEDANCE 0.109 MG/L 0.080 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 0.111 MG/L 0.080 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 0.112 MG/L 0.080 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 0.123 MG/L 0.080 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 0.123 MG/L 0.080 mg/L 2015 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Consumer Confidence Rule OTHER — — 2015 Resolved
TTHM MCL EXCEEDANCE 0.122 MG/L 0.080 mg/L 2015 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 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

50 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 Hughes Co. Rwd #3
PWSID OK3003202
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 92
Service connections 331
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Horntown tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 0.61 ppb, 4% of the action level.
Does Horntown 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 Horntown? ▼
Hughes Co. Rwd #3 (PWSID OK3003202). Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2025-09-16. No significant deficiencies were recorded.

What Should Horntown Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
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.
3
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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