PlainWater

ROCKPORT WATER DEPT

PWS ID: MA3252000 · ROCKPORT, Massachusetts 01966

Population Served
10,000
Total Violations
27
Health-Based Violations
6
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,782
County
Essex
School/Daycare
No
MCL Violations
1
Monitoring Violations
4
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 4 2008
Lead and Copper Rule TT 4 1994
Consumer Confidence Rule Other 2 2016
CARBON, TOTAL TT 1 2005
Coliform (TCR) MCL 1 1991

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxA 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/9/2023 <9 µg/L 9 µg/L Not Detected
PFDA 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/9/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHpA 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/9/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFBA 8/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/9/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/9/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/9/2023 <0.006 µg/L 0.006 µg/L Not Detected
9Cl-PF3ONS 8/9/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 8/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 5/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 5/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 5/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/2/2023 <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.