PlainWater

LONE GROVE

PWS ID: OK2001007 · LONE GROVE, Oklahoma 73443

PFAS Detected

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

Population Served
4,863
Total Violations
250
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,382
County
Carter
School/Daycare
No
MCL Violations
9
Monitoring Violations
222
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 26 2013
Chlorine MR 15 2023
Coliform (TCR) MCL 9 2013
Total Haloacetic Acids (HAA5) MR 8 2015
TTHM MR 8 2015
cis-1,2-Dichloroethylene MR 7 2015
Xylenes, Total MR 7 2015
DICHLOROMETHANE MR 7 2015
o-Dichlorobenzene MR 7 2015
p-Dichlorobenzene MR 7 2015
Vinyl chloride MR 7 2015
Carbon tetrachloride MR 7 2015
Trichloroethylene MR 7 2015
Tetrachloroethylene MR 7 2015
Benzene MR 7 2015
Ethylbenzene MR 7 2015
Styrene MR 7 2015
1,2,4-Trichlorobenzene MR 7 2015
1,2-Dichloropropane MR 7 2015
CHLOROBENZENE MR 7 2015
Toluene MR 7 2015
1,2-Dichloroethane MR 7 2015
1,1-Dichloroethylene MR 7 2015
trans-1,2-Dichloroethylene MR 7 2015
1,1,1-Trichloroethane MR 7 2015
1,1,2-Trichloroethane MR 7 2015
Lead and Copper Rule MR 6 2010
Consumer Confidence Rule Other 4 2016
Endothall MR 4 2019
Glyphosate MR 4 2023

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 10 of 300 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 6/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 6/3/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 6/3/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 6/3/2024 15.4000 µg/L 9 µg/L Detected
PFHpA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/3/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 6/3/2024 <0.007 µg/L 0.007 µg/L Not Detected
lithium 6/3/2024 9.9100 µg/L 9 µg/L Detected
9Cl-PF3ONS 6/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 6/3/2024 <0.006 µg/L 0.006 µg/L Not Detected
4:2 FTS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 6/3/2024 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/3/2024 <0.007 µg/L 0.007 µg/L Not Detected
11Cl-PF3OUdS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 6/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/3/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/3/2024 <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.