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Community Water System · PWS OK1021512

Claremore

Claremore, Oklahoma 74017 - drinking water served from surface water sources to 15,873 people, tracked in EPA SDWIS and UCMR5.

15,873
People served
342
EPA violations
272
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 342 drinking-water violations at Claremore, 80% of them health-based - above the Oklahoma per-system average.

342
Total EPA violations on record
80%
Health-based (MCL / treatment failure)
15,873
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Claremore

Claremore is a local-owned community water system that delivers drinking water to 15,873 residents in Claremore, Oklahoma (Rogers County) through 8,285 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 342 total violations for this system , of which 272 (80%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 64 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 123 violations (MCL, 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. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%).

Claremore's 342 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
15,873
Total Violations
342
Health-Based Violations
272
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
8,285
County
Rogers
School/Daycare
No
MCL Violations
224
Monitoring Violations
64
Treatment Tech Violations
45

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 123 2022
TTHM MCL 95 2018
CARBON, TOTAL TT 30 2012
Total Haloacetic Acids (HAA5) MR 25 2013
TTHM MR 20 2013
Coliform (TCR) MR 16 2012
Surface Water Treatment Rule TT 12 1997
Coliform (TCR) MCL 6 2014
Surface Water Treatment Rule MR 3 2002
Chlorine dioxide MRDL 3 2004
Interim Enhanced Surface Water Treatment Rule TT 3 2022

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 8/9/2023 <8.00 ppt 8.00 ppt Not Detected
PFUnA 8/9/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/9/2023 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/9/2023 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 8/9/2023 <2.00 ppt 2.00 ppt Not Detected
PFTrDA 8/9/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxS 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeS 8/9/2023 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 8/9/2023 <6.00 ppt 6.00 ppt Not Detected
6:2 FTS 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 8/9/2023 <20.00 ppt 20.00 ppt Not Detected
PFMBA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 5/3/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/3/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 5/3/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 5/3/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 5/3/2023 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 5/3/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
PFTA 5/3/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 5/3/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 5/3/2023 <5.00 ppt 5.00 ppt 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 Claremore.

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 OK1021512 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
2022 Total Haloacetic Acids (HAA5) MCL 123 SDWIS / OK1021512 / 2456
2022 Interim Enhanced Surface Water Treatment Rule TT 3 SDWIS / OK1021512 / 0300
2018 TTHM MCL 95 SDWIS / OK1021512 / 2950
2014 Coliform (TCR) MCL 6 SDWIS / OK1021512 / 3100
2013 Total Haloacetic Acids (HAA5) MR 25 SDWIS / OK1021512 / 2456
2013 TTHM MR 20 SDWIS / OK1021512 / 2950
2012 CARBON, TOTAL TT 30 SDWIS / OK1021512 / 2920
2012 Coliform (TCR) MR 16 SDWIS / OK1021512 / 3100
2004 Chlorine dioxide MRDL 3 SDWIS / OK1021512 / 1008
2002 Surface Water Treatment Rule MR 3 SDWIS / OK1021512 / 0200
1997 Surface Water Treatment Rule TT 12 SDWIS / OK1021512 / 0200

How Claremore Compares

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

Metric Claremore Oklahoma avg Federal benchmark
Total violations 342 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 272 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 15,873 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 Claremore water safe to drink?
Claremore (PWS ID: OK1021512) has 342 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 15,873 people using Surface Water sources.
How many people does Claremore serve?
Claremore serves 15,873 people in Claremore, Oklahoma. It is a Local-owned system using Surface Water water sources with 8,285 service connections.
What type of violations does Claremore have?
Claremore has 342 total violations: 272 health-based violations (MCL exceedances or treatment failures), 64 monitoring/reporting violations, and 45 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Claremore water?
No. Claremore was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Claremore use?
Claremore 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.