PlainWater

WILLIAMSTON, TOWN OF

PWS ID: NC0459010 · WILLIAMSTON, North Carolina 27892

PFAS Detected

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

Population Served
7,650
Total Violations
6
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,600
County
Martin
School/Daycare
No
MCL Violations
0
Monitoring Violations
2
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Gross Alpha, Excl. Radon and U MR 2 1986
LEAD AND COPPER RULE REVISIONS RPT 2 2024
LEAD AND COPPER RULE REVISIONS TT 2 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 360 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 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
PFBA 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 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
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
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
NFDHA 9/11/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 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
PFOS 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 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
ADONA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 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
PFHpS 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
PFHpS 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 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
PFHxS 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 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
PFMBA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/11/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 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
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
6:2 FTS 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/11/2023 <0.005 µg/L 0.005 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
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.