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States → Oklahoma

MAYES CO RWD # 5

PWS ID: OK3004616 · ADAIR, Oklahoma 74330

PFAS Detected

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

Population Served
3,360
Total Violations
20
Health-Based Violations
5
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,749
County
Mayes
School/Daycare
No
MCL Violations
5
Monitoring Violations
5
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 4 2017
Coliform (TCR) MCL 4 1992
Total Haloacetic Acids (HAA5) MCL 1 2025
Coliform (TCR) MR 1 1991

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 8/21/2024 <9 µg/L 9 µg/L Not Detected
PFTA 8/21/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/21/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/21/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 8/21/2024 14.0000 µg/L 9 µg/L Detected
NMeFOSAA 8/21/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 8/21/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/21/2024 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/16/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFUnA 7/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 7/16/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/16/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 7/16/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 5/21/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/21/2024 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 5/21/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 5/21/2024 <9 µg/L 9 µg/L Not Detected
6:2 FTS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/21/2024 <0.002 µg/L 0.002 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.