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Community Water System · PWS OK1020611

Kiowa

Kiowa, Oklahoma 74553 - drinking water served from surface water sources to 731 people, tracked in EPA SDWIS and UCMR5.

731
People served
900
EPA violations
696
Health-based
Untested
UCMR5 result

The verdict

EPA records 900 drinking-water violations at Kiowa, 77% of them health-based - above the Oklahoma per-system average.

900
Total EPA violations on record
77%
Health-based (MCL / treatment failure)
731
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Kiowa

Kiowa is a local-owned community water system that delivers drinking water to 731 residents in Kiowa, Oklahoma (Pittsburg County) through 392 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 900 total violations for this system , of which 696 (77%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 158 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 373 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%).

Kiowa's 900 violations sit above 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
731
Total Violations
900
Health-Based Violations
696
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
392
County
Pittsburg
School/Daycare
No
MCL Violations
427
Monitoring Violations
158
Treatment Tech Violations
269

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 373 2024
CARBON, TOTAL TT 165 2025
Surface Water Treatment Rule TT 90 2023
Coliform (TCR) MR 62 2008
Total Haloacetic Acids (HAA5) MCL 33 2025
TTHM MR 29 2022
Coliform (TCR) MCL 21 2010
Total Haloacetic Acids (HAA5) MR 19 2014
Chlorine MR 17 2021
Interim Enhanced Surface Water Treatment Rule MR 14 2016
Interim Enhanced Surface Water Treatment Rule TT 14 2023
Revised Total Coliform Rule MON 5 2017
Arsenic MR 4 2007
Consumer Confidence Rule Other 3 2022
Nitrate-Nitrite MR 3 2007
CARBON, TOTAL MR 3 2006
Surface Water Treatment Rule MR 2 2002

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 Kiowa.

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 OK1020611 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 CARBON, TOTAL TT 165 SDWIS / OK1020611 / 2920
2025 Total Haloacetic Acids (HAA5) MCL 33 SDWIS / OK1020611 / 2456
2024 TTHM MCL 373 SDWIS / OK1020611 / 2950
2023 Surface Water Treatment Rule TT 90 SDWIS / OK1020611 / 0200
2023 Interim Enhanced Surface Water Treatment Rule TT 14 SDWIS / OK1020611 / 0300
2022 TTHM MR 29 SDWIS / OK1020611 / 2950
2022 Consumer Confidence Rule Other 3 SDWIS / OK1020611 / 7000
2021 Chlorine MR 17 SDWIS / OK1020611 / 0999
2017 Revised Total Coliform Rule MON 5 SDWIS / OK1020611 / 8000
2016 Interim Enhanced Surface Water Treatment Rule MR 14 SDWIS / OK1020611 / 0300
2014 Total Haloacetic Acids (HAA5) MR 19 SDWIS / OK1020611 / 2456
2010 Coliform (TCR) MCL 21 SDWIS / OK1020611 / 3100
2008 Coliform (TCR) MR 62 SDWIS / OK1020611 / 3100
2007 Arsenic MR 4 SDWIS / OK1020611 / 1005
2007 Nitrate-Nitrite MR 3 SDWIS / OK1020611 / 1038

How Kiowa Compares

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

Metric Kiowa Oklahoma avg Federal benchmark
Total violations 900 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 696 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 731 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 Kiowa water safe to drink? ▼
Kiowa (PWS ID: OK1020611) has 900 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 731 people using Surface Water sources.
How many people does Kiowa serve? ▼
Kiowa serves 731 people in Kiowa, Oklahoma. It is a Local-owned system using Surface Water water sources with 392 service connections.
What type of violations does Kiowa have? ▼
Kiowa has 900 total violations: 696 health-based violations (MCL exceedances or treatment failures), 158 monitoring/reporting violations, and 269 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Kiowa water? ▼
No PFAS testing data is available for Kiowa under the EPA's UCMR5 monitoring program.
What water source does Kiowa use? ▼
Kiowa 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.