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Non-Transient Non-Community Water System · PWS MA3078000

Dover Water Dept

Dover, Massachusetts 02030 - drinking water served from groundwater sources to 500 people, tracked in EPA SDWIS and UCMR5.

500
People served
86
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 86 drinking-water violations at Dover Water Dept - above the Massachusetts per-system average.

86
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
500
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Dover Water Dept

Dover Water Dept is a local-owned non-transient non-community water system that delivers drinking water to 500 residents in Dover, Massachusetts (Norfolk County) through 3 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 86 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 77 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 6 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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%).

Dover Water Dept's 86 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.

Population Served
500
Total Violations
86
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
3
County
Norfolk
School/Daycare
No
MCL Violations
0
Monitoring Violations
77
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 6 2011
Lead and Copper Rule MR 4 2025
Benzene MR 3 2013
1,1-Dichloroethylene MR 3 2013
1,2-Dichloroethane MR 3 2013
1,1,1-Trichloroethane MR 3 2013
Vinyl chloride MR 3 2013
Ethylbenzene MR 3 2013
Styrene MR 3 2013
Xylenes, Total MR 3 2013
1,1,2-Trichloroethane MR 3 2013
1,2,4-Trichlorobenzene MR 3 2013
Nitrate MR 3 2011
cis-1,2-Dichloroethylene MR 3 2013
p-Dichlorobenzene MR 3 2013
trans-1,2-Dichloroethylene MR 3 2013
Carbon tetrachloride MR 3 2013
Trichloroethylene MR 3 2013
Tetrachloroethylene MR 3 2013
Toluene MR 3 2013
CHLOROBENZENE MR 3 2013
DICHLOROMETHANE MR 3 2013
1,2-Dichloropropane MR 3 2013
o-Dichlorobenzene MR 3 2013
Gross Alpha, Excl. Radon and U MR 1 1991

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 Dover Water Dept.

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 MA3078000 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 Dover Water Dept 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
2025 Lead and Copper Rule MR 4 SDWIS / MA3078000 / 5000
2013 Benzene MR 3 SDWIS / MA3078000 / 2990
2013 1,1-Dichloroethylene MR 3 SDWIS / MA3078000 / 2977
2013 1,2-Dichloroethane MR 3 SDWIS / MA3078000 / 2980
2013 1,1,1-Trichloroethane MR 3 SDWIS / MA3078000 / 2981
2013 Vinyl chloride MR 3 SDWIS / MA3078000 / 2976
2013 Ethylbenzene MR 3 SDWIS / MA3078000 / 2992
2013 Styrene MR 3 SDWIS / MA3078000 / 2996
2013 Xylenes, Total MR 3 SDWIS / MA3078000 / 2955
2013 1,1,2-Trichloroethane MR 3 SDWIS / MA3078000 / 2985
2013 1,2,4-Trichlorobenzene MR 3 SDWIS / MA3078000 / 2378
2013 cis-1,2-Dichloroethylene MR 3 SDWIS / MA3078000 / 2380
2013 p-Dichlorobenzene MR 3 SDWIS / MA3078000 / 2969
2013 trans-1,2-Dichloroethylene MR 3 SDWIS / MA3078000 / 2979
2013 Carbon tetrachloride MR 3 SDWIS / MA3078000 / 2982

How Dover Water Dept Compares

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

Metric Dover Water Dept Massachusetts avg Federal benchmark
Total violations 86 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 4.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 56.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 500 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 Dover Water Dept water safe to drink? ▼
Dover Water Dept (PWS ID: MA3078000) has 86 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 500 people using Groundwater sources.
How many people does Dover Water Dept serve? ▼
Dover Water Dept serves 500 people in Dover, Massachusetts. It is a Local-owned system using Groundwater water sources with 3 service connections.
What type of violations does Dover Water Dept have? ▼
Dover Water Dept has 86 total violations: 0 health-based violations (MCL exceedances or treatment failures), 77 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Dover Water Dept water? ▼
No PFAS testing data is available for Dover Water Dept under the EPA's UCMR5 monitoring program.
What water source does Dover Water Dept use? ▼
Dover Water Dept uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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.