PlainWater

WAYNOKA

PWS ID: OK2007604 · WAYNOKA, Oklahoma 73860

WAYNOKA serves 993 people in WAYNOKA, Oklahoma using Groundwater water sources. It has 160 recorded EPA violations, including 81 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WAYNOKA

WAYNOKA is a local-owned community water system that delivers drinking water to 993 residents in WAYNOKA, Oklahoma (Woods County) through 646 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 160 total violations for this system , of which 81 (51%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 72 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Nitrate-Nitrite, recorded in 45 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. WAYNOKA's 160 violations sit below 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
993
Total Violations
160
Health-Based Violations
81
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
646
County
Woods
School/Daycare
No
MCL Violations
81
Monitoring Violations
72
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate-Nitrite MCL 45 2017
Coliform (TCR) MR 32 2014
Nitrate MCL 30 2002
Nitrate-Nitrite MR 11 2024
Lead and Copper Rule MR 9 2012
Chlorine MR 7 2024
Coliform (TCR) MCL 6 2012
Revised Total Coliform Rule MON 4 2018
Consumer Confidence Rule Other 4 2016
BHC-GAMMA MR 3 2011
Heptachlor MR 3 2011
Simazine MR 3 2011

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 WAYNOKA.

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 OK2007604 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
2024 Nitrate-Nitrite MR 11 SDWIS / OK2007604 / 1038
2024 Chlorine MR 7 SDWIS / OK2007604 / 0999
2018 Revised Total Coliform Rule MON 4 SDWIS / OK2007604 / 8000
2017 Nitrate-Nitrite MCL 45 SDWIS / OK2007604 / 1038
2016 Consumer Confidence Rule Other 4 SDWIS / OK2007604 / 7000
2014 Coliform (TCR) MR 32 SDWIS / OK2007604 / 3100
2012 Lead and Copper Rule MR 9 SDWIS / OK2007604 / 5000
2012 Coliform (TCR) MCL 6 SDWIS / OK2007604 / 3100
2011 BHC-GAMMA MR 3 SDWIS / OK2007604 / 2010
2011 Heptachlor MR 3 SDWIS / OK2007604 / 2065
2011 Simazine MR 3 SDWIS / OK2007604 / 2037
2002 Nitrate MCL 30 SDWIS / OK2007604 / 1040

How WAYNOKA Compares

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

Metric WAYNOKA Oklahoma avg Federal benchmark
Total violations 160 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 81 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 993 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 WAYNOKA water safe to drink?
WAYNOKA (PWS ID: OK2007604) has 160 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 993 people using Groundwater sources.
How many people does WAYNOKA serve?
WAYNOKA serves 993 people in WAYNOKA, Oklahoma. It is a Local-owned system using Groundwater water sources with 646 service connections.
What type of violations does WAYNOKA have?
WAYNOKA has 160 total violations: 81 health-based violations (MCL exceedances or treatment failures), 72 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WAYNOKA water?
No PFAS testing data is available for WAYNOKA under the EPA's UCMR5 monitoring program.
What water source does WAYNOKA use?
WAYNOKA uses Groundwater 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.

Explore PlainWater

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

Related

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