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WARNER

PWS ID: OK1020409 · WARNER, Oklahoma 74469

WARNER serves 2,020 people in WARNER, Oklahoma using Surface Water water sources. It has 546 recorded EPA violations, including 292 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WARNER

WARNER is a local-owned community water system that delivers drinking water to 2,020 residents in WARNER, Oklahoma (Muskogee County) through 1,001 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 546 total violations for this system , of which 292 (53%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 211 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is TTHM, recorded in 125 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Oklahoma, EPA tracks 1,262 public water systems serving 3,699,452 people, with 336,706 cumulative violations and 113,804 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 266.8 violations. WARNER's 546 violations sit above the Oklahoma average. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
2,020
Total Violations
546
Health-Based Violations
292
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,001
County
Muskogee
School/Daycare
No
MCL Violations
182
Monitoring Violations
211
Treatment Tech Violations
110

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 125 2017
Interim Enhanced Surface Water Treatment Rule TT 66 2008
Total Haloacetic Acids (HAA5) MCL 56 2009
CARBON, TOTAL TT 40 2007
CARBON, TOTAL MR 23 2009
Coliform (TCR) MR 12 2012
Total Haloacetic Acids (HAA5) MR 11 2025
Consumer Confidence Rule Other 8 2025
cis-1,2-Dichloroethylene MR 7 2010
o-Dichlorobenzene MR 7 2010
p-Dichlorobenzene MR 7 2010
Vinyl chloride MR 7 2010
1,1-Dichloroethylene MR 7 2010
1,1,1-Trichloroethane MR 7 2010
Trichloroethylene MR 7 2010
Tetrachloroethylene MR 7 2010
Benzene MR 7 2010
Toluene MR 7 2010
Xylenes, Total MR 7 2010
trans-1,2-Dichloroethylene MR 7 2010
1,2-Dichloroethane MR 7 2010
1,2-Dichloropropane MR 7 2010
Ethylbenzene MR 7 2010
1,2,4-Trichlorobenzene MR 7 2010
Styrene MR 7 2010
Carbon tetrachloride MR 7 2010
DICHLOROMETHANE MR 7 2010
CHLOROBENZENE MR 7 2010
1,1,2-Trichloroethane MR 7 2010
TTHM MR 6 2005

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for WARNER.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID OK1020409 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Oklahoma Drinking Water Authority

Oklahoma's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find OK regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Total Haloacetic Acids (HAA5) MR 11 SDWIS / OK1020409 / 2456
2025 Consumer Confidence Rule Other 8 SDWIS / OK1020409 / 7000
2025 Interim Enhanced Surface Water Treatment Rule MR 3 SDWIS / OK1020409 / 0300
2017 TTHM MCL 125 SDWIS / OK1020409 / 2950
2017 Chlorine MR 5 SDWIS / OK1020409 / 0999
2012 Coliform (TCR) MR 12 SDWIS / OK1020409 / 3100
2010 cis-1,2-Dichloroethylene MR 7 SDWIS / OK1020409 / 2380
2010 o-Dichlorobenzene MR 7 SDWIS / OK1020409 / 2968
2010 p-Dichlorobenzene MR 7 SDWIS / OK1020409 / 2969
2010 Vinyl chloride MR 7 SDWIS / OK1020409 / 2976
2010 1,1-Dichloroethylene MR 7 SDWIS / OK1020409 / 2977
2010 1,1,1-Trichloroethane MR 7 SDWIS / OK1020409 / 2981
2010 Trichloroethylene MR 7 SDWIS / OK1020409 / 2984
2010 Tetrachloroethylene MR 7 SDWIS / OK1020409 / 2987
2010 Benzene MR 7 SDWIS / OK1020409 / 2990

How WARNER Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric WARNER Oklahoma avg Federal benchmark
Total violations 546 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 292 90.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,020 2,931 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,262 regulated public water systems in Oklahoma.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is WARNER water safe to drink? ▼
WARNER (PWS ID: OK1020409) has 546 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,020 people using Surface Water sources.
How many people does WARNER serve? ▼
WARNER serves 2,020 people in WARNER, Oklahoma. It is a Local-owned system using Surface Water water sources with 1,001 service connections.
What type of violations does WARNER have? ▼
WARNER has 546 total violations: 292 health-based violations (MCL exceedances or treatment failures), 211 monitoring/reporting violations, and 110 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WARNER water? ▼
No PFAS testing data is available for WARNER under the EPA's UCMR5 monitoring program.
What water source does WARNER use? ▼
WARNER uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial