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Community Water System · PWS OK1020623

Longtown Rw&sd #1 (Pittsburg Co.)

Eufaula, Oklahoma 74432 - drinking water served from surface water sources to 5,444 people, tracked in EPA SDWIS and UCMR5.

5,444
People served
375
EPA violations
288
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 375 drinking-water violations at Longtown Rw&sd #1 (Pittsburg Co.), 77% of them health-based - above the Oklahoma per-system average.

375
Total EPA violations on record
77%
Health-based (MCL / treatment failure)
5,444
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Longtown Rw&sd #1 (Pittsburg Co.)

Longtown Rw&sd #1 (Pittsburg Co.) is a local-owned community water system that delivers drinking water to 5,444 residents in Eufaula, Oklahoma (Pittsburg County) through 2,274 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 375 total violations for this system , of which 288 (77%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 59 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 233 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%).

Longtown Rw&sd #1 (Pittsburg Co.)'s 375 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
5,444
Total Violations
375
Health-Based Violations
288
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,274
County
Pittsburg
School/Daycare
No
MCL Violations
257
Monitoring Violations
59
Treatment Tech Violations
31

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 233 2025
CARBON, TOTAL TT 30 2006
Total Haloacetic Acids (HAA5) MCL 24 2006
Coliform (TCR) MR 23 2015
Interim Enhanced Surface Water Treatment Rule MR 16 2020
TTHM MR 9 2025
Total Haloacetic Acids (HAA5) MR 7 2013
Lead and Copper Rule MR 3 1994
Consumer Confidence Rule Other 2 2016
LEAD AND COPPER RULE REVISIONS TT 1 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024
BHC-GAMMA MR 1 2020

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 62 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/16/2025 <20.00 ppt 20.00 ppt Not Detected
HFPO-DA 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFEESA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFBA 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/16/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/16/2025 <2.00 ppt 2.00 ppt Not Detected
PFHxA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFNA 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFBS 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 4/9/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 4/9/2025 <5.00 ppt 5.00 ppt Not Detected
PFTA 4/9/2025 <8.00 ppt 8.00 ppt Not Detected
NMeFOSAA 4/9/2025 <6.00 ppt 6.00 ppt Not Detected
PFTA 10/8/2025 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 10/8/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 10/8/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 10/8/2025 <6.00 ppt 6.00 ppt Not Detected
PFDA 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 1/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFDoA 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 1/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxA 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 1/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 1/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 1/14/2025 <2.00 ppt 2.00 ppt Not Detected
4:2 FTS 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 1/14/2025 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 1/14/2025 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 1/14/2025 <6.00 ppt 6.00 ppt Not Detected
PFPeA 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 1/14/2025 <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 Longtown Rw&sd #1 (Pittsburg Co.).

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 OK1020623 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 TTHM MCL 233 SDWIS / OK1020623 / 2950
2025 TTHM MR 9 SDWIS / OK1020623 / 2950
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / OK1020623 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / OK1020623 / 5200
2020 Interim Enhanced Surface Water Treatment Rule MR 16 SDWIS / OK1020623 / 0300
2020 BHC-GAMMA MR 1 SDWIS / OK1020623 / 2010
2016 Consumer Confidence Rule Other 2 SDWIS / OK1020623 / 7000
2015 Coliform (TCR) MR 23 SDWIS / OK1020623 / 3100
2013 Total Haloacetic Acids (HAA5) MR 7 SDWIS / OK1020623 / 2456
2006 CARBON, TOTAL TT 30 SDWIS / OK1020623 / 2920
2006 Total Haloacetic Acids (HAA5) MCL 24 SDWIS / OK1020623 / 2456
1994 Lead and Copper Rule MR 3 SDWIS / OK1020623 / 5000

How Longtown Rw&sd #1 (Pittsburg Co.) Compares

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

Metric Longtown Rw&sd #1 (Pittsburg Co.) Oklahoma avg Federal benchmark
Total violations 375 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 288 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 5,444 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 Longtown Rw&sd #1 (Pittsburg Co.) water safe to drink?
Longtown Rw&sd #1 (Pittsburg Co.) (PWS ID: OK1020623) has 375 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 5,444 people using Surface Water sources.
How many people does Longtown Rw&sd #1 (Pittsburg Co.) serve?
Longtown Rw&sd #1 (Pittsburg Co.) serves 5,444 people in Eufaula, Oklahoma. It is a Local-owned system using Surface Water water sources with 2,274 service connections.
What type of violations does Longtown Rw&sd #1 (Pittsburg Co.) have?
Longtown Rw&sd #1 (Pittsburg Co.) has 375 total violations: 288 health-based violations (MCL exceedances or treatment failures), 59 monitoring/reporting violations, and 31 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Longtown Rw&sd #1 (Pittsburg Co.) water?
No. Longtown Rw&sd #1 (Pittsburg Co.) was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Longtown Rw&sd #1 (Pittsburg Co.) use?
Longtown Rw&sd #1 (Pittsburg Co.) 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.