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Community Water System · PWS MA4109000

Gosnold Water Dept

Gosnold, Massachusetts 02713 - drinking water served from groundwater sources to 425 people, tracked in EPA SDWIS and UCMR5.

425
People served
52
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 52 drinking-water violations at Gosnold Water Dept, 4% of them health-based - above the Massachusetts per-system average.

52
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
425
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Gosnold Water Dept

Gosnold Water Dept is a local-owned community water system that delivers drinking water to 425 residents in Gosnold, Massachusetts (Dukes County) through 194 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 52 total violations for this system , of which 2 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 37 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 4 violations (Other). 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%).

Gosnold Water Dept's 52 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
425
Total Violations
52
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
194
County
Dukes
School/Daycare
No
MCL Violations
2
Monitoring Violations
37
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 4 2013
Tetrachloroethylene MR 3 2000
Coliform (TCR) MR 3 2004
Lead and Copper Rule MR 3 2023
Nitrate MR 2 2004
Coliform (TCR) MCL 2 1996
Nitrite MR 1 1999
1,2,4-Trichlorobenzene MR 1 1999
cis-1,2-Dichloroethylene MR 1 1999
Xylenes, Total MR 1 1999
DICHLOROMETHANE MR 1 1999
o-Dichlorobenzene MR 1 1999
Vinyl chloride MR 1 1999
1,1-Dichloroethylene MR 1 1999
trans-1,2-Dichloroethylene MR 1 1999
Carbon tetrachloride MR 1 1999
Trichloroethylene MR 1 1999
1,1,2-Trichloroethane MR 1 1999
CHLOROBENZENE MR 1 1999
Toluene MR 1 1999
Styrene MR 1 1999
Gross Beta Particle Activity MR 1 1999
Tritium MR 1 1999
38-STRONTIUM-90 MR 1 1999
p-Dichlorobenzene MR 1 1999
Ethylbenzene MR 1 1999
Benzene MR 1 1999
Radium-228 MR 1 1999
1,2-Dichloropropane MR 1 1999
Radium-226 MR 1 1999

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 Gosnold 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 MA4109000 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 Gosnold 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
2023 Lead and Copper Rule MR 3 SDWIS / MA4109000 / 5000
2013 Consumer Confidence Rule Other 4 SDWIS / MA4109000 / 7000
2004 Coliform (TCR) MR 3 SDWIS / MA4109000 / 3100
2004 Nitrate MR 2 SDWIS / MA4109000 / 1040
2000 Tetrachloroethylene MR 3 SDWIS / MA4109000 / 2987
1999 Nitrite MR 1 SDWIS / MA4109000 / 1041
1999 1,2,4-Trichlorobenzene MR 1 SDWIS / MA4109000 / 2378
1999 cis-1,2-Dichloroethylene MR 1 SDWIS / MA4109000 / 2380
1999 Xylenes, Total MR 1 SDWIS / MA4109000 / 2955
1999 DICHLOROMETHANE MR 1 SDWIS / MA4109000 / 2964
1999 o-Dichlorobenzene MR 1 SDWIS / MA4109000 / 2968
1999 Vinyl chloride MR 1 SDWIS / MA4109000 / 2976
1999 1,1-Dichloroethylene MR 1 SDWIS / MA4109000 / 2977
1999 trans-1,2-Dichloroethylene MR 1 SDWIS / MA4109000 / 2979
1999 Carbon tetrachloride MR 1 SDWIS / MA4109000 / 2982

How Gosnold Water Dept Compares

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

Metric Gosnold Water Dept Massachusetts avg Federal benchmark
Total violations 52 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 425 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 Gosnold Water Dept water safe to drink?
Gosnold Water Dept (PWS ID: MA4109000) has 52 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 425 people using Groundwater sources.
How many people does Gosnold Water Dept serve?
Gosnold Water Dept serves 425 people in Gosnold, Massachusetts. It is a Local-owned system using Groundwater water sources with 194 service connections.
What type of violations does Gosnold Water Dept have?
Gosnold Water Dept has 52 total violations: 2 health-based violations (MCL exceedances or treatment failures), 37 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Gosnold Water Dept water?
No PFAS testing data is available for Gosnold Water Dept under the EPA's UCMR5 monitoring program.
What water source does Gosnold Water Dept use?
Gosnold Water Dept 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. 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.