PlainWater

LONGTOWN RW&SD #1 (PITTSBURG CO.)

PWS ID: OK1020623 · EUFAULA, Oklahoma 74432

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

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. 1 of 65 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/16/2025 <0.02 µg/L 0.02 µg/L Not Detected
HFPO-DA 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 4/9/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 4/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 4/9/2025 <0.008 µg/L 0.008 µg/L Not Detected
lithium 4/9/2025 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 4/9/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 10/8/2025 <9 µg/L 9 µg/L Not Detected
PFTA 10/8/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 10/8/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 10/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 10/8/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFDA 1/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 1/14/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 1/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 1/14/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 1/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 1/14/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 1/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 1/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 1/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 1/14/2025 12.0000 µg/L 9 µg/L Detected
NEtFOSAA 1/14/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 1/14/2025 <0.002 µg/L 0.002 µg/L Not Detected
4:2 FTS 1/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 1/14/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 1/14/2025 <0.007 µg/L 0.007 µg/L Not Detected
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.