PlainWater

LOWELL REGIONAL WATER UTILITY

PWS ID: MA3160000 · LOWELL, Massachusetts 01854

PFAS Detected

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

Population Served
115,000
Total Violations
54
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
25,956
County
Middlesex
School/Daycare
No
MCL Violations
0
Monitoring Violations
36
Treatment Tech Violations
13

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule TT 13 2017
Lead and Copper Rule MR 3 2023
Endrin MR 1 2000
Methoxychlor MR 1 2000
Dalapon MR 1 2000
Diquat MR 1 2000
Di(2-ethylhexyl) adipate MR 1 2000
Simazine MR 1 2000
Picloram MR 1 2000
Hexachlorocyclopentadiene MR 1 2000
Carbofuran MR 1 2000
Atrazine MR 1 2000
LASSO MR 1 2000
2,3,7,8-TCDD MR 1 2000
Heptachlor MR 1 2000
Heptachlor epoxide MR 1 2000
2,4-D MR 1 2000
HEXACHLOROBENZENE MR 1 2000
Pentachlorophenol MR 1 2000
Total Polychlorinated Biphenyls (PCB) MR 1 2000
ETHYLENE DIBROMIDE MR 1 2000
Chlordane MR 1 2000
Endothall MR 1 2000
Di(2-ethylhexyl) phthalate MR 1 2000
OXAMYL MR 1 2000
Aldicarb sulfoxide MR 1 2000
2,4,5-TP MR 1 2000
Glyphosate MR 1 2000
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2000
Dinoseb MR 1 2000

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFNA 9/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/18/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/18/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 9/18/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/18/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/18/2023 0.0039 µg/L 0.003 µg/L Detected
PFMPA 9/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 9/18/2023 0.0040 µg/L 0.003 µg/L Detected
PFDoA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/18/2023 0.0046 µg/L 0.004 µg/L Detected
PFOS 9/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 9/18/2023 <9 µg/L 9 µg/L Not Detected
PFBS 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 6/21/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFNA 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 6/21/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/21/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 6/21/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/21/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/21/2023 <0.007 µg/L 0.007 µg/L Not Detected
ADONA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 6/21/2023 <0.004 µg/L 0.004 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.