States ›Oklahoma ›Jefferson County ›Ryan

Ryan, OK Tap Water Quality 2026

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

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

Main Utility: Ryan Utilities Authority PWSID: OK3003405 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.

B

Ryan 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
126 violations since 2015, 117 health-based
No violations currently open
Ryan'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
618
~415 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
126 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)

ContaminantTypeMeasuredLimitPeriodStatus
TTHM MONITORING AND REPORTING — 0.080 mg/L 2025 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2025 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.074 MG/L 0.060 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.144 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.158 MG/L 0.080 mg/L 2025 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.068 MG/L 0.060 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.151 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.125 MG/L 0.080 mg/L 2025 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.061 MG/L 0.060 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.126 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.148 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.146 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.154 MG/L 0.080 mg/L 2025 Archived
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
TTHM MCL EXCEEDANCE 0.147 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.145 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.156 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.156 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.152 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.149 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.152 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.154 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.145 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.158 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.172 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.14 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.143 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.191 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.204 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.138 MG/L 0.080 mg/L 2023 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.065 MG/L 0.060 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.204 MG/L 0.080 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.153 MG/L 0.080 mg/L 2022 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.074 MG/L 0.060 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.158 MG/L 0.080 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.205 MG/L 0.080 mg/L 2022 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.075 MG/L 0.060 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.156 MG/L 0.080 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.231 MG/L 0.080 mg/L 2022 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.072 MG/L 0.060 mg/L 2022 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.069 MG/L 0.060 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.228 MG/L 0.080 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.157 MG/L 0.080 mg/L 2022 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.067 MG/L 0.060 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.14 MG/L 0.080 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.229 MG/L 0.080 mg/L 2021 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.076 MG/L 0.060 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.145 MG/L 0.080 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.244 MG/L 0.080 mg/L 2021 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.106 MG/L 0.060 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.153 MG/L 0.080 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.255 MG/L 0.080 mg/L 2021 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.093 MG/L 0.060 mg/L 2021 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.066 MG/L 0.060 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.193 MG/L 0.080 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.266 MG/L 0.080 mg/L 2021 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.097 MG/L 0.060 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.073 MG/L 0.060 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.276 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.207 MG/L 0.080 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.089 MG/L 0.060 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.071 MG/L 0.060 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.201 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.257 MG/L 0.080 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.089 MG/L 0.060 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.076 MG/L 0.060 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.218 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.257 MG/L 0.080 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.089 MG/L 0.060 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.092 MG/L 0.060 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.181 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.254 MG/L 0.080 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.1 MG/L 0.060 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.114 MG/L 0.060 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.258 MG/L 0.080 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.176 MG/L 0.080 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.105 MG/L 0.060 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.139 MG/L 0.060 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.266 MG/L 0.080 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.174 MG/L 0.080 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.085 MG/L 0.060 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.157 MG/L 0.060 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.256 MG/L 0.080 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.15 MG/L 0.080 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.081 MG/L 0.060 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.162 MG/L 0.060 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.245 MG/L 0.080 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.147 MG/L 0.080 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.136 MG/L 0.060 mg/L 2018 Archived
TTHM MCL EXCEEDANCE 0.142 MG/L 0.080 mg/L 2018 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.068 MG/L 0.060 mg/L 2018 Archived
TTHM MCL EXCEEDANCE 0.217 MG/L 0.080 mg/L 2018 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.132 MG/L 0.060 mg/L 2018 Archived
TTHM MCL EXCEEDANCE 0.206 MG/L 0.080 mg/L 2018 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.072 MG/L 0.060 mg/L 2018 Archived
TTHM MCL EXCEEDANCE 0.13 MG/L 0.080 mg/L 2018 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.15 MG/L 0.060 mg/L 2017 Archived
TTHM MCL EXCEEDANCE 0.229 MG/L 0.080 mg/L 2017 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.162 MG/L 0.060 mg/L 2017 Archived
TTHM MCL EXCEEDANCE 0.14 MG/L 0.080 mg/L 2017 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.176 MG/L 0.060 mg/L 2017 Archived
TTHM MCL EXCEEDANCE 0.266 MG/L 0.080 mg/L 2017 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.191 MG/L 0.060 mg/L 2017 Archived
TTHM MCL EXCEEDANCE 0.168 MG/L 0.080 mg/L 2017 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.1 MG/L 0.060 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 0.167 MG/L 0.080 mg/L 2016 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.18 MG/L 0.060 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 0.274 MG/L 0.080 mg/L 2016 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.125 MG/L 0.060 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 0.225 MG/L 0.080 mg/L 2016 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.11 MG/L 0.060 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 0.17 MG/L 0.080 mg/L 2016 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.097 MG/L 0.060 mg/L 2015 Archived
TTHM MCL EXCEEDANCE 0.175 MG/L 0.080 mg/L 2015 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.077 MG/L 0.060 mg/L 2015 Archived
TTHM MCL EXCEEDANCE 0.182 MG/L 0.080 mg/L 2015 Archived
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.07 MG/L 0.060 mg/L 2015 Archived
TTHM MCL EXCEEDANCE 0.203 MG/L 0.080 mg/L 2015 Archived
TTHM MCL EXCEEDANCE 0.241 MG/L 0.080 mg/L 2015 Archived
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

126 violations are on record since 2015, of which 117 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Ryan Utilities Authority
PWSID OK3003405
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 618
Service connections 415
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Ryan tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Ryan 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 Ryan? ▼
Ryan Utilities Authority (PWSID OK3003405), one of 2 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2025-06-09. No significant deficiencies were recorded.

What Should Ryan 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.

Nearby Cities in Oklahoma

Waurika, Ok Tap Water Quality 2026 Jefferson Ringling, Ok Tap Water Quality 2026 Jefferson Terral, Ok Tap Water Quality 2026 Jefferson Hastings, Ok Tap Water Quality 2026 Jefferson Cornish, Ok Tap Water Quality 2026 Jefferson Addington, Ok Tap Water Quality 2026 Jefferson