PlainWater

HO HO KUS WATER DEPT

PWS ID: NJ0228001 · HOHOKUS BORO, New Jersey 07423

PFAS Detected

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

Population Served
4,060
Total Violations
137
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,514
County
Bergen
School/Daycare
No
MCL Violations
4
Monitoring Violations
109
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 23 2006
Groundwater Rule MR 21 2013
Chlorine MR 16 2025
Combined Uranium MR 9 2008
Combined Radium (-226 and -228) MR 6 2008
Consumer Confidence Rule Other 5 2013
Gross Alpha, Excl. Radon and U MR 5 2008
TTHM MR 5 2014
Total Haloacetic Acids (HAA5) MR 5 2014
Coliform (TCR) MCL 4 2012
Lead and Copper Rule MR 3 2019
Arsenic MR 2 1988
Selenium MR 2 1988
Fluoride MR 2 1988
Chromium MR 2 1988
Cadmium MR 2 1988
Barium MR 2 1988
Mercury MR 2 1988
E. COLI MR 1 2012
Coliform (TCR) MR 1 2012

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 71 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
lithium 8/14/2023 <9 µg/L 9 µg/L Not Detected
PFTA 8/14/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/14/2023 <0.007 µg/L 0.007 µg/L Not Detected
NFDHA 8/14/2023 <0.02 µg/L 0.02 µg/L Not Detected
NMeFOSAA 8/14/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFHpA 8/14/2023 0.0081 µg/L 0.003 µg/L Detected
PFHxS 8/14/2023 0.0055 µg/L 0.003 µg/L Detected
PFNA 8/14/2023 0.0047 µg/L 0.004 µg/L Detected
PFOS 8/14/2023 0.0210 µg/L 0.004 µg/L Detected
PFOA 8/14/2023 0.0293 µg/L 0.004 µg/L Detected
PFDA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/14/2023 0.0048 µg/L 0.003 µg/L Detected
PFHxA 8/14/2023 0.0124 µg/L 0.003 µg/L Detected
PFHpS 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/14/2023 0.0094 µg/L 0.005 µg/L Detected
6:2 FTS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/14/2023 0.0140 µg/L 0.003 µg/L Detected
PFEESA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/14/2023 <0.02 µg/L 0.02 µg/L Not Detected
ADONA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/14/2023 0.0070 µg/L 0.005 µg/L Detected
6:2 FTS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/14/2023 0.0092 µg/L 0.003 µg/L Detected
PFHpS 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 8/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/14/2023 0.0055 µg/L 0.003 µg/L Detected
9Cl-PF3ONS 8/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
lithium 8/14/2023 <9 µg/L 9 µg/L Not Detected
PFTrDA 8/14/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/14/2023 <0.005 µg/L 0.005 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.