PlainWater

Community Water System · PWS MA4318107

Wellfleet Apartments

Eastham, Massachusetts 02642 - drinking water served from groundwater sources to 48 people, tracked in EPA SDWIS and UCMR5.

48
People served
28
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 28 drinking-water violations at Wellfleet Apartments - below the Massachusetts per-system average.

28
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
48
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Wellfleet Apartments

Wellfleet Apartments is a local-owned community water system that delivers drinking water to 48 residents in Eastham, Massachusetts (Barnstable County) through 12 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 28 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 24 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 3 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, 143 of 263 UCMR5-tested systems have reported PFAS detections (54.4%).

Wellfleet Apartments's 28 violations sit below 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
48
Total Violations
28
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
12
County
Barnstable
School/Daycare
No
MCL Violations
0
Monitoring Violations
24
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 3 2022
Lead and Copper Rule MR 2 2007
CHLOROBENZENE MR 1 2015
o-Dichlorobenzene MR 1 2015
1,2-Dichloropropane MR 1 2015
Ethylbenzene MR 1 2015
Tetrachloroethylene MR 1 2015
Toluene MR 1 2015
p-Dichlorobenzene MR 1 2015
1,1,2-Trichloroethane MR 1 2015
Carbon tetrachloride MR 1 2015
1,2-Dichloroethane MR 1 2015
1,1,1-Trichloroethane MR 1 2015
1,2,4-Trichlorobenzene MR 1 2015
cis-1,2-Dichloroethylene MR 1 2015
DICHLOROMETHANE MR 1 2015
Benzene MR 1 2015
Xylenes, Total MR 1 2015
Coliform (TCR) MR 1 2005
Vinyl chloride MR 1 2015
trans-1,2-Dichloroethylene MR 1 2015
1,1-Dichloroethylene MR 1 2015
Styrene MR 1 2015
Trichloroethylene MR 1 2015

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 Wellfleet Apartments.

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 MA4318107 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 Wellfleet Apartments 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
2022 Consumer Confidence Rule Other 3 SDWIS / MA4318107 / 7000
2015 CHLOROBENZENE MR 1 SDWIS / MA4318107 / 2989
2015 o-Dichlorobenzene MR 1 SDWIS / MA4318107 / 2968
2015 1,2-Dichloropropane MR 1 SDWIS / MA4318107 / 2983
2015 Ethylbenzene MR 1 SDWIS / MA4318107 / 2992
2015 Tetrachloroethylene MR 1 SDWIS / MA4318107 / 2987
2015 Toluene MR 1 SDWIS / MA4318107 / 2991
2015 p-Dichlorobenzene MR 1 SDWIS / MA4318107 / 2969
2015 1,1,2-Trichloroethane MR 1 SDWIS / MA4318107 / 2985
2015 Carbon tetrachloride MR 1 SDWIS / MA4318107 / 2982
2015 1,2-Dichloroethane MR 1 SDWIS / MA4318107 / 2980
2015 1,1,1-Trichloroethane MR 1 SDWIS / MA4318107 / 2981
2015 1,2,4-Trichlorobenzene MR 1 SDWIS / MA4318107 / 2378
2015 cis-1,2-Dichloroethylene MR 1 SDWIS / MA4318107 / 2380
2015 DICHLOROMETHANE MR 1 SDWIS / MA4318107 / 2964

How Wellfleet Apartments Compares

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

Metric Wellfleet Apartments Massachusetts avg Federal benchmark
Total violations 28 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 54.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 48 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 Wellfleet Apartments water safe to drink?
Wellfleet Apartments (PWS ID: MA4318107) has 28 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 48 people using Groundwater sources.
How many people does Wellfleet Apartments serve?
Wellfleet Apartments serves 48 people in Eastham, Massachusetts. It is a Local-owned system using Groundwater water sources with 12 service connections.
What type of violations does Wellfleet Apartments have?
Wellfleet Apartments has 28 total violations: 0 health-based violations (MCL exceedances or treatment failures), 24 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Wellfleet Apartments water?
No PFAS testing data is available for Wellfleet Apartments under the EPA's UCMR5 monitoring program.
What water source does Wellfleet Apartments use?
Wellfleet Apartments 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.