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KETCHUM PWA

PWS ID: OK1021612 · KETCHUM, Oklahoma 74349

KETCHUM PWA serves 4,025 people in KETCHUM, Oklahoma using Surface Water water sources. It has 49 recorded EPA violations, including 13 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: KETCHUM PWA

KETCHUM PWA is a local-owned community water system that delivers drinking water to 4,025 residents in KETCHUM, Oklahoma (Craig County) through 1,918 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 49 total violations for this system , of which 13 (27%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 18 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 CARBON, TOTAL, recorded in 12 violations (TT, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. KETCHUM PWA's 49 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
4,025
Total Violations
49
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,918
County
Craig
School/Daycare
No
MCL Violations
0
Monitoring Violations
18
Treatment Tech Violations
13

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
CARBON, TOTAL TT 12 2005
Chlorine MR 8 2021
Revised Total Coliform Rule MON 4 2017
Consumer Confidence Rule Other 3 2015
Lead and Copper Rule MR 3 1993
Coliform (TCR) MR 2 1995
Surface Water Treatment Rule MR 1 1999
Surface Water Treatment Rule TT 1 1993

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 7/18/2023 <9 µg/L 9 µg/L Not Detected
PFHxS 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/11/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 4/11/2023 <9 µg/L 9 µg/L Not Detected
PFDoA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 4/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 4/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 4/11/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 4/11/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFOS 4/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 4/11/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 4/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 4/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 4/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 10/4/2023 <0.02 µg/L 0.02 µg/L Not Detected
ADONA 10/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 10/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 10/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 10/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 10/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 10/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 10/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 10/4/2023 <9 µg/L 9 µg/L Not Detected
PFPeS 10/4/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 10/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 10/4/2023 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 10/4/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 10/4/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 10/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 10/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 10/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 10/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 10/4/2023 <0.004 µg/L 0.004 µg/L Not Detected

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 KETCHUM PWA.

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 OK1021612 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 Chlorine MR 8 SDWIS / OK1021612 / 0999
2017 Revised Total Coliform Rule MON 4 SDWIS / OK1021612 / 8000
2015 Consumer Confidence Rule Other 3 SDWIS / OK1021612 / 7000
2005 CARBON, TOTAL TT 12 SDWIS / OK1021612 / 2920
1999 Surface Water Treatment Rule MR 1 SDWIS / OK1021612 / 0200
1995 Coliform (TCR) MR 2 SDWIS / OK1021612 / 3100
1993 Lead and Copper Rule MR 3 SDWIS / OK1021612 / 5000
1993 Surface Water Treatment Rule TT 1 SDWIS / OK1021612 / 0200

How KETCHUM PWA Compares

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

Metric KETCHUM PWA Oklahoma avg Federal benchmark
Total violations 49 266.8 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 4,025 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 KETCHUM PWA water safe to drink? ▼
KETCHUM PWA (PWS ID: OK1021612) has 49 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,025 people using Surface Water sources.
How many people does KETCHUM PWA serve? ▼
KETCHUM PWA serves 4,025 people in KETCHUM, Oklahoma. It is a Local-owned system using Surface Water water sources with 1,918 service connections.
What type of violations does KETCHUM PWA have? ▼
KETCHUM PWA has 49 total violations: 13 health-based violations (MCL exceedances or treatment failures), 18 monitoring/reporting violations, and 13 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in KETCHUM PWA water? ▼
No. KETCHUM PWA was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does KETCHUM PWA use? ▼
KETCHUM PWA 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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