PlainWater

WEST CALDWELL WATER DEPARTMENT

PWS ID: NJ0721001 · WEST CALDWELL, New Jersey 07006

PFAS Detected

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

Population Served
10,759
Total Violations
64
Health-Based Violations
11
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,835
County
Essex
School/Daycare
No
MCL Violations
4
Monitoring Violations
44
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 19 2025
Lead and Copper Rule TT 7 2024
TTHM MCL 4 2020
Public Notice Other 4 2025
Revised Total Coliform Rule MON 4 2025
Chlorine MR 4 2025
Arsenic MR 2 1981
Mercury MR 2 1981
Fluoride MR 2 1981
Cadmium MR 2 1981
Chromium MR 2 1981
TTHM MR 2 2012
Selenium MR 2 1981
Revised Total Coliform Rule RPT 2 2025
Barium MR 2 1981
Nitrate MR 1 1979

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 18 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxS 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/20/2023 0.0055 µg/L 0.004 µg/L Detected
PFOA 9/20/2023 0.0083 µg/L 0.004 µg/L Detected
PFDA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/20/2023 0.0062 µg/L 0.003 µg/L Detected
PFUnA 9/20/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/20/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/20/2023 0.0050 µg/L 0.005 µg/L Detected
6:2 FTS 9/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 9/20/2023 <9 µg/L 9 µg/L Not Detected
PFBS 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/20/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/20/2023 0.0067 µg/L 0.003 µg/L Detected
PFMPA 9/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/18/2023 0.0047 µg/L 0.003 µg/L Detected
PFDoA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/18/2023 0.0077 µg/L 0.004 µg/L Detected
PFTA 7/18/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFNA 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 7/18/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/18/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFOS 7/18/2023 0.0054 µg/L 0.004 µg/L Detected
9Cl-PF3ONS 7/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/18/2023 0.0051 µg/L 0.005 µg/L Detected
6:2 FTS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/18/2023 0.0048 µg/L 0.003 µg/L 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.