PlainWater
States05

MT. PLEASANT

PWS ID: 055293201 · MOUNT PLEASANT, 05 48858

PFAS Detected

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

Population Served
10,198
Total Violations
91
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
296
School/Daycare
No
MCL Violations
0
Monitoring Violations
85
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 15 2015
Nitrate MR 7 2018
Lead and Copper Rule MR 6 2018
CYANIDE MR 4 2017
Antimony, Total MR 4 2017
Beryllium, Total MR 4 2017
Nickel MR 4 2017
Mercury MR 4 2017
Thallium, Total MR 4 2017
Barium MR 4 2017
Revised Total Coliform Rule MON 4 2024
Chromium MR 4 2017
Selenium MR 4 2017
Chlorine MR 4 2024
Arsenic MR 4 2017
Asbestos MR 4 2017
Cadmium MR 4 2017
Consumer Confidence Rule Other 1 2023
Gross Alpha, Excl. Radon and U MR 1 1993

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 30 samples detected PFAS.

Contaminant Date Result MRL Status
PFOS 3/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 3/12/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 3/12/2025 9.2900 µg/L 9 µg/L Detected
PFBS 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 3/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 3/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 3/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 3/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 3/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 3/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 3/12/2025 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 3/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 3/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 3/12/2025 <0.007 µg/L 0.007 µg/L Not Detected
6:2 FTS 3/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 3/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 3/12/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 3/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 3/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/12/2025 <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.