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Community Water System · PWS OK2001602

Comanche Co RWD #3

Lawton, Oklahoma 73501 - drinking water served from surface water sources to 2,325 people, tracked in EPA SDWIS and UCMR5.

2,325
People served
160
EPA violations
13
Health-based
Untested
UCMR5 result

The verdict

EPA records 160 drinking-water violations at Comanche Co RWD #3, 8% of them health-based - below the Oklahoma per-system average.

160
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
2,325
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Comanche Co RWD #3

Comanche Co RWD #3 is a local-owned community water system that delivers drinking water to 2,325 residents in Lawton, Oklahoma (Comanche County) through 1,020 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 160 total violations for this system , of which 13 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 138 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 9 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. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%).

Comanche Co RWD #3's 160 violations sit below the Oklahoma average.

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
2,325
Total Violations
160
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,020
County
Comanche
School/Daycare
No
MCL Violations
13
Monitoring Violations
138
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 9 1998
Coliform (TCR) MR 4 2008
1,2,4-Trichlorobenzene MR 4 2016
cis-1,2-Dichloroethylene MR 4 2016
Xylenes, Total MR 4 2016
DICHLOROMETHANE MR 4 2016
Vinyl chloride MR 4 2016
1,2-Dichloroethane MR 4 2016
1,1,1-Trichloroethane MR 4 2016
Trichloroethylene MR 4 2016
Tetrachloroethylene MR 4 2016
CHLOROBENZENE MR 4 2016
Benzene MR 4 2016
Toluene MR 4 2016
Cadmium MR 4 2014
Chromium MR 4 2014
Mercury MR 4 2014
Antimony, Total MR 4 2014
Revised Total Coliform Rule MON 4 2021
Nitrate MCL 4 1997
Barium MR 4 2014
1,1-Dichloroethylene MR 4 2016
Carbon tetrachloride MR 4 2016
Thallium, Total MR 4 2014
Nickel MR 4 2014
Chlorine MR 4 2021
Selenium MR 4 2014
Fluoride MR 4 2014
trans-1,2-Dichloroethylene MR 4 2016
1,2-Dichloropropane MR 4 2016

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 Comanche Co RWD #3.

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 OK2001602 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
2021 Revised Total Coliform Rule MON 4 SDWIS / OK2001602 / 8000
2021 Chlorine MR 4 SDWIS / OK2001602 / 0999
2016 1,2,4-Trichlorobenzene MR 4 SDWIS / OK2001602 / 2378
2016 cis-1,2-Dichloroethylene MR 4 SDWIS / OK2001602 / 2380
2016 Xylenes, Total MR 4 SDWIS / OK2001602 / 2955
2016 DICHLOROMETHANE MR 4 SDWIS / OK2001602 / 2964
2016 Vinyl chloride MR 4 SDWIS / OK2001602 / 2976
2016 1,2-Dichloroethane MR 4 SDWIS / OK2001602 / 2980
2016 1,1,1-Trichloroethane MR 4 SDWIS / OK2001602 / 2981
2016 Trichloroethylene MR 4 SDWIS / OK2001602 / 2984
2016 Tetrachloroethylene MR 4 SDWIS / OK2001602 / 2987
2016 CHLOROBENZENE MR 4 SDWIS / OK2001602 / 2989
2016 Benzene MR 4 SDWIS / OK2001602 / 2990
2016 Toluene MR 4 SDWIS / OK2001602 / 2991
2016 1,1-Dichloroethylene MR 4 SDWIS / OK2001602 / 2977

How Comanche Co RWD #3 Compares

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

Metric Comanche Co RWD #3 Oklahoma avg Federal benchmark
Total violations 160 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 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 2,325 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Comanche Co RWD #3 water safe to drink? ▼
Comanche Co RWD #3 (PWS ID: OK2001602) has 160 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,325 people using Surface Water sources.
How many people does Comanche Co RWD #3 serve? ▼
Comanche Co RWD #3 serves 2,325 people in Lawton, Oklahoma. It is a Local-owned system using Surface Water water sources with 1,020 service connections.
What type of violations does Comanche Co RWD #3 have? ▼
Comanche Co RWD #3 has 160 total violations: 13 health-based violations (MCL exceedances or treatment failures), 138 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Comanche Co RWD #3 water? ▼
No PFAS testing data is available for Comanche Co RWD #3 under the EPA's UCMR5 monitoring program.
What water source does Comanche Co RWD #3 use? ▼
Comanche Co RWD #3 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.