PlainWater
States → New Hampshire

AQUARION WATER/NH

PWS ID: NH1051010 · MONROE, New Hampshire 06408

PFAS Detected

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

Population Served
34,000
Total Violations
19
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
8,644
County
Rockingham
School/Daycare
No
MCL Violations
3
Monitoring Violations
10
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 6 2009
Coliform (TCR) MCL 3 1995
Combined Radium (-226 and -228) MR 2 2010
Total Haloacetic Acids (HAA5) MR 2 2024
Nitrite MR 2 1993
TTHM MR 2 2024
Chlorine MR 2 2008

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 9 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFUnA 5/7/2024 <0.002 µg/L 0.002 µg/L Not Detected
NFDHA 5/7/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHxA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/7/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/7/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 5/7/2024 21.8000 µg/L 9 µg/L Detected
NMeFOSAA 5/7/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFMBA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 5/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 5/7/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFOA 5/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/7/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 5/7/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFBA 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/7/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/7/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 5/7/2024 <9 µg/L 9 µg/L Not Detected
PFHxA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/7/2024 <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.