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States → Oklahoma

SOUTHERN OKLA WATER CORP

PWS ID: OK1010830 · ARDMORE, Oklahoma 73401-1611

PFAS Detected

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

Population Served
11,250
Total Violations
1,836
Health-Based Violations
653
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
4,883
County
Carter
School/Daycare
No
MCL Violations
440
Monitoring Violations
1,160
Treatment Tech Violations
213

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 279 2025
Total Haloacetic Acids (HAA5) MCL 129 2022
Interim Enhanced Surface Water Treatment Rule TT 116 2025
CARBON, TOTAL TT 81 2021
1,2,4-Trichlorobenzene MR 48 2018
cis-1,2-Dichloroethylene MR 48 2018
Xylenes, Total MR 48 2018
p-Dichlorobenzene MR 48 2018
trans-1,2-Dichloroethylene MR 48 2018
1,2-Dichloroethane MR 48 2018
1,1,1-Trichloroethane MR 48 2018
1,2-Dichloropropane MR 48 2018
1,1,2-Trichloroethane MR 48 2018
CHLOROBENZENE MR 48 2018
Benzene MR 48 2018
Toluene MR 48 2018
Ethylbenzene MR 48 2018
Styrene MR 48 2018
DICHLOROMETHANE MR 48 2018
Vinyl chloride MR 48 2018
Trichloroethylene MR 48 2018
o-Dichlorobenzene MR 48 2018
1,1-Dichloroethylene MR 48 2018
Carbon tetrachloride MR 48 2018
Tetrachloroethylene MR 48 2018
Coliform (TCR) MCL 29 2012
CARBON, TOTAL MR 29 2011
Gross Alpha, Excl. Radon and U MR 18 2004
Combined Uranium MR 18 2004
Gross Beta Particle Activity MR 18 2004

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 22 of 780 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 9/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/2/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 9/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/2/2025 <0.02 µg/L 0.02 µg/L Not Detected
11Cl-PF3OUdS 9/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/2/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 9/2/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/2/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/2/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 9/2/2025 <9 µg/L 9 µg/L Not Detected
PFMBA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 9/2/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/2/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/2/2025 <0.006 µg/L 0.006 µg/L Not Detected
11Cl-PF3OUdS 9/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/2/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 9/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/2/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/2/2025 0.0064 µg/L 0.005 µg/L Detected
PFHxS 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/2/2025 <0.003 µg/L 0.003 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.