PlainWater

NOWATA MUNICIPAL AUTHORITY

PWS ID: OK1021503 · NOWATA, Oklahoma 74048

PFAS Detected

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

Population Served
3,971
Total Violations
358
Health-Based Violations
221
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,072
County
Nowata
School/Daycare
No
MCL Violations
135
Monitoring Violations
93
Treatment Tech Violations
86

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 122 2024
Long Term 2 Enhanced Surface Water Treatment Rule TT 78 2017
Long Term 2 Enhanced Surface Water Treatment Rule MR 72 2017
Public Notice Other 20 2015
TTHM MR 10 2021
Coliform (TCR) MR 8 2011
Total Haloacetic Acids (HAA5) MCL 7 2006
Surface Water Treatment Rule TT 6 2002
Coliform (TCR) MCL 6 2015
Consumer Confidence Rule Other 4 2015
CARBON, TOTAL MR 3 2016
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 2 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 5 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 9/26/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 9/26/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 9/26/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 9/26/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 9/26/2023 <0.007 µg/L 0.007 µg/L Not Detected
9Cl-PF3ONS 9/26/2023 <0.002 µg/L 0.002 µg/L Not Detected
NFDHA 9/26/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/26/2023 <9 µg/L 9 µg/L Not Detected
PFOS 9/26/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/26/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/26/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/26/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/26/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/26/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/26/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/26/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/26/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/26/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 9/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 9/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/19/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 9/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/19/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 9/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 9/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/19/2023 <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.