PlainWater
States → Massachusetts

MAYNARD DPW, WATER DIVISION

PWS ID: MA2174000 · MAYNARD, Massachusetts 01754

PFAS Detected

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

Population Served
10,401
Total Violations
304
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,906
County
Middlesex
School/Daycare
No
MCL Violations
16
Monitoring Violations
267
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 17 2024
TTHM MCL 9 2016
Coliform (TCR) MCL 7 1999
Methoxychlor MR 5 1998
Dalapon MR 5 1998
Endothall MR 5 1998
Glyphosate MR 5 1998
Simazine MR 5 1998
Aldicarb sulfoxide MR 5 1998
Carbofuran MR 5 1998
2,3,7,8-TCDD MR 5 1998
Heptachlor MR 5 1998
HEXACHLOROBENZENE MR 5 1998
Benzo(a)pyrene MR 5 1998
Total Polychlorinated Biphenyls (PCB) MR 5 1998
ETHYLENE DIBROMIDE MR 5 1998
Chlordane MR 5 1998
BHC-GAMMA MR 5 1998
Toxaphene MR 5 1998
Diquat MR 5 1998
Di(2-ethylhexyl) adipate MR 5 1998
OXAMYL MR 5 1998
Picloram MR 5 1998
Dinoseb MR 5 1998
Hexachlorocyclopentadiene MR 5 1998
Aldicarb sulfone MR 5 1998
Aldicarb MR 5 1998
LASSO MR 5 1998
2,4-D MR 5 1998
2,4,5-TP MR 5 1998

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 8 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 6/3/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/3/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/3/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 6/3/2024 <9 µg/L 9 µg/L Not Detected
PFNA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/3/2024 0.0048 µg/L 0.004 µg/L Detected
PFDoA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/3/2024 0.0037 µg/L 0.003 µg/L Detected
PFUnA 6/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/3/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/3/2024 0.0037 µg/L 0.003 µg/L Detected
PFMPA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/3/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/3/2024 <9 µg/L 9 µg/L Not Detected
PFMBA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 6/3/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFPeA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 6/3/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHxS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/3/2024 <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.