PlainWater

SKIATOOK PWA

PWS ID: OK1021313 · SKIATOOK, Oklahoma 74070

PFAS Detected

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

Population Served
8,110
Total Violations
379
Health-Based Violations
260
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,437
County
Osage
School/Daycare
No
MCL Violations
169
Monitoring Violations
115
Treatment Tech Violations
91

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 151 2015
CARBON, TOTAL TT 86 2009
Total Haloacetic Acids (HAA5) MCL 18 2005
TTHM MR 6 2015
Surface Water Treatment Rule TT 5 2021
Arsenic MR 4 2007
Nitrate-Nitrite MR 4 2007
Lead and Copper Rule MR 4 2021
DICHLOROMETHANE MR 4 2020
o-Dichlorobenzene MR 4 2020
Vinyl chloride MR 4 2020
1,1,1-Trichloroethane MR 4 2020
1,2-Dichloropropane MR 4 2020
Trichloroethylene MR 4 2020
1,1,2-Trichloroethane MR 4 2020
Tetrachloroethylene MR 4 2020
Benzene MR 4 2020
Toluene MR 4 2020
Ethylbenzene MR 4 2020
Styrene MR 4 2020
Interim Enhanced Surface Water Treatment Rule MR 4 2017
1,1-Dichloroethylene MR 4 2020
trans-1,2-Dichloroethylene MR 4 2020
1,2-Dichloroethane MR 4 2020
1,2,4-Trichlorobenzene MR 4 2020
cis-1,2-Dichloroethylene MR 4 2020
p-Dichlorobenzene MR 4 2020
Total Haloacetic Acids (HAA5) MR 4 2008
Xylenes, Total MR 4 2020
CHLOROBENZENE MR 4 2020

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 120 samples detected PFAS.

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