PlainWater

Community Water System · PWS MA2304000

Uxbridge Dpw, Water Division

Uxbridge, Massachusetts 01569 - drinking water served from groundwater sources to 11,525 people, tracked in EPA SDWIS and UCMR5.

11,525
People served
55
EPA violations
4
Health-based
3 PFAS
UCMR5 result

The verdict

EPA records 55 drinking-water violations at Uxbridge Dpw, Water Division, 7% of them health-based - above the Massachusetts per-system average, and UCMR5 testing detected 3 PFAS compounds.

55
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
11,525
People served by this system
3
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Uxbridge Dpw, Water Division

Uxbridge Dpw, Water Division is a local-owned community water system that delivers drinking water to 11,525 residents in Uxbridge, Massachusetts (Worcester County) through 3,707 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 55 total violations for this system , of which 4 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 42 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 3 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 3 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 6.7 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Massachusetts, EPA tracks 1,599 public water systems serving 10,332,845 people, with 73,886 cumulative violations and 7,389 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 46.2 violations. Statewide, 148 of 263 UCMR5-tested systems have reported PFAS detections (56.3%).

Uxbridge Dpw, Water Division's 55 violations sit above the Massachusetts average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

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

Population Served
11,525
Total Violations
55
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,707
County
Worcester
School/Daycare
No
MCL Violations
4
Monitoring Violations
42
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 3 2004
cis-1,2-Dichloroethylene MR 2 1996
Xylenes, Total MR 2 1996
DICHLOROMETHANE MR 2 1996
o-Dichlorobenzene MR 2 1996
p-Dichlorobenzene MR 2 1996
1,1-Dichloroethylene MR 2 1996
trans-1,2-Dichloroethylene MR 2 1996
1,2-Dichloroethane MR 2 1996
1,1,1-Trichloroethane MR 2 1996
Carbon tetrachloride MR 2 1996
1,1,2-Trichloroethane MR 2 1996
Benzene MR 2 1996
Toluene MR 2 1996
1,2-Dichloropropane MR 2 1996
1,2,4-Trichlorobenzene MR 2 1996
Tetrachloroethylene MR 2 1996
Trichloroethylene MR 2 1996
Ethylbenzene MR 2 1996
Vinyl chloride MR 2 1996
CHLOROBENZENE MR 2 1996
Styrene MR 2 1996
Revised Total Coliform Rule MCL 1 2016

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 174 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpS 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/21/2024 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 8/21/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/21/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 8/21/2024 <6.00 ppt 6.00 ppt Not Detected
PFPeS 8/21/2024 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 8/21/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 8/21/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/21/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 8/21/2024 <20.00 ppt 20.00 ppt Not Detected
PFHxS 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 8/21/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 8/21/2024 <8.00 ppt 8.00 ppt Not Detected
PFNA 8/21/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/21/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 8/21/2024 <4.00 ppt 4.00 ppt Not Detected
PFDoA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/21/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/21/2024 <5.00 ppt 5.00 ppt Not Detected
PFDA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
ADONA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/21/2024 <2.00 ppt 2.00 ppt Not Detected
NEtFOSAA 8/21/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/21/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/21/2024 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 8/21/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 8/21/2024 <7.00 ppt 7.00 ppt Not Detected
PFOA 8/21/2024 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 8/21/2024 <6.00 ppt 6.00 ppt Not Detected
PFTA 8/21/2024 <8.00 ppt 8.00 ppt Not Detected
PFHpA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 8/21/2024 <20.00 ppt 20.00 ppt Not Detected
PFNA 8/21/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeS 8/21/2024 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 8/21/2024 <2.00 ppt 2.00 ppt Not Detected
PFEESA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/21/2024 <3.00 ppt 3.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Uxbridge Dpw, Water Division.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MA2304000 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Massachusetts Drinking Water Authority

MassDEP, Drinking Water Program is the primacy agency that licenses and inspects Uxbridge Dpw, Water Division under EPA-delegated authority.

Open MA regulator portal

Source: MassDEP, Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2016 Revised Total Coliform Rule MCL 1 SDWIS / MA2304000 / 8000
2004 Coliform (TCR) MCL 3 SDWIS / MA2304000 / 3100
1996 cis-1,2-Dichloroethylene MR 2 SDWIS / MA2304000 / 2380
1996 Xylenes, Total MR 2 SDWIS / MA2304000 / 2955
1996 DICHLOROMETHANE MR 2 SDWIS / MA2304000 / 2964
1996 o-Dichlorobenzene MR 2 SDWIS / MA2304000 / 2968
1996 p-Dichlorobenzene MR 2 SDWIS / MA2304000 / 2969
1996 1,1-Dichloroethylene MR 2 SDWIS / MA2304000 / 2977
1996 trans-1,2-Dichloroethylene MR 2 SDWIS / MA2304000 / 2979
1996 1,2-Dichloroethane MR 2 SDWIS / MA2304000 / 2980
1996 1,1,1-Trichloroethane MR 2 SDWIS / MA2304000 / 2981
1996 Carbon tetrachloride MR 2 SDWIS / MA2304000 / 2982
1996 1,1,2-Trichloroethane MR 2 SDWIS / MA2304000 / 2985
1996 Benzene MR 2 SDWIS / MA2304000 / 2990
1996 Toluene MR 2 SDWIS / MA2304000 / 2991

How Uxbridge Dpw, Water Division Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Uxbridge Dpw, Water Division Massachusetts avg Federal benchmark
Total violations 55 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 4.6 Indicates a contaminant exceeded a federal MCL
PFAS detection 3 compounds 56.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 11,525 6,462 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,599 regulated public water systems in Massachusetts.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Uxbridge Dpw, Water Division water safe to drink?
Uxbridge Dpw, Water Division (PWS ID: MA2304000) has 55 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 3 PFAS compounds found. This system serves 11,525 people using Groundwater sources.
How many people does Uxbridge Dpw, Water Division serve?
Uxbridge Dpw, Water Division serves 11,525 people in Uxbridge, Massachusetts. It is a Local-owned system using Groundwater water sources with 3,707 service connections.
What type of violations does Uxbridge Dpw, Water Division have?
Uxbridge Dpw, Water Division has 55 total violations: 4 health-based violations (MCL exceedances or treatment failures), 42 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Uxbridge Dpw, Water Division water?
Yes. UCMR5 testing detected 3 PFAS compounds in Uxbridge Dpw, Water Division's water supply: PFOS, PFBS, PFHxS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Uxbridge Dpw, Water Division use?
Uxbridge Dpw, Water Division uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
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.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.