PlainWater

CADDO CO RWD #3

PWS ID: OK2000816 · CARNEGIE, Oklahoma 73015

PFAS Detected

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

Population Served
3,900
Total Violations
34
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,938
County
Caddo
School/Daycare
No
MCL Violations
0
Monitoring Violations
19
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MR 4 2014
Combined Uranium MR 4 2014
Gross Beta Particle Activity MR 4 2014
Gross Alpha, Excl. Radon and U MR 4 2014
E. COLI MR 3 2014
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. 19 of 600 samples detected PFAS.

Contaminant Date Result MRL Status
PFNA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 8/26/2024 9.3000 µg/L 9 µg/L Detected
PFHxS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/26/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/26/2024 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/26/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 8/26/2024 <0.007 µg/L 0.007 µg/L Not Detected
ADONA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/26/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHpS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/26/2024 <0.008 µg/L 0.008 µg/L Not Detected
4:2 FTS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/26/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/26/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/26/2024 <0.02 µg/L 0.02 µg/L Not Detected
NMeFOSAA 8/26/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/26/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/26/2024 <0.008 µg/L 0.008 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.