Monitoring Violations MA

Clark Shores Water Corporation

EPA ID: MA4146006 · 350 people served · 7 ZIP codes

Based on the latest federal compliance data, Clark Shores Water Corporation has 5 violations that the EPA has not yet closed — those outstanding findings are part of the enforcement record for a utility that delivers water to approximately 350 people throughout its service territory.

Data: EPA SDWIS Last verified: 2026-04-02

C · 59
Avg Safety Score
350
People Served
7
ZIP Codes Served
8
Violations (5yr)
Groundwater
Water Source
0.0014 mg/L
Max Lead Level
Zone 2
Radon Risk · Moderate
3
Contaminants Flagged
$475K
Median Home Value in Service Area

Service Area Demographics

$116,876
Median Household Income
47,994
Service Area Population
17%
Disadvantaged Population
26th
Poverty Percentile
60th
Energy Burden Percentile
61%
Pre-1986 Housing

The Clark Shores Water Corporation serves a community with a median household income of $116,876 and an estimated 47,994 residents across its service area. Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

💧 Where Does Your Water Come From?

Groundwater

Clark Shores Water Corporation's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Elevated Risk
Source Contamination Risk
33th
Wastewater Discharge Proximity
63th
Superfund Site Proximity

About 1% of homes in Plymouth County, Massachusetts rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Superfund Proximity Note: This service area ranks in the 63th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.

Infrastructure Risk

49 yr
Avg Pipe Age
Copper
Pipe Material
20 yr
Est. Remaining Life
Stable
Decay Status
Installed 71% of expected lifespan used End of life

Detected Contaminants

How Clark Shores Water Corporation compares to EPA limits

What This Means For You

Consumer Confidence Report Rule at 6 mg/L exceeds the EPA maximum of mg/L.

Contaminant 1039 at 1 mg/L exceeds the EPA maximum of mg/L.

Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 17 detections recorded. 4 exceed federal EPA limits (4 ppt for PFOA/PFOS). 2 exceed state limits.

State limits: PFAS6: 0.02 ppt
Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.
Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter →

Comparable Water Systems

Similar-sized systems in Massachusetts

Eaglebrook School
350 people
0 violations
0 violations
0 violations
Pinetree Village
348 people
0 violations
0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Radon Mitigation PFAS Treatment
Flood Insurance $686
Radon Mitigation $400
PFAS Treatment $243
Total Estimated Cost $1,329

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $1,000

Annual per household (CDC est.)

PFAS Exposure — Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$5,165
10 years
$10,330
20 years
$20,660

Compare: Estimated remediation cost is $1,329 (one-time) vs. $10,330 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

CLARK SHORES WATER CORPORATION (EPA ID: MA4146006) is a community water system in Massachusetts that serves approximately 350 people from groundwater sources.

This system provides water to 7 ZIP codes across 4 communities.

Average Home Safety Score: C (59/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

8 monitoring/reporting violations recorded. These are procedural violations (missed tests or late reports), not necessarily water safety issues.

Recent Violations

Date Contaminant Type Status
January 11, 2025 Consumer Confidence Report Rule Monitoring Resolved
December 1, 2024 Consumer Confidence Report Rule Monitoring Unresolved
July 1, 2024 Contaminant 1039 Monitoring Unresolved
May 11, 2024 Consumer Confidence Report Rule Monitoring Resolved
April 11, 2024 Consumer Confidence Report Rule Monitoring Resolved
April 1, 2024 Consumer Confidence Report Rule Monitoring Unresolved
March 1, 2024 Consumer Confidence Report Rule Monitoring Unresolved
January 1, 2024 Stage 1 DBP Rule Monitoring Unresolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Consumer Confidence Report Rule Reporting Failure 6 No
Contaminant 1039 Other Violation 1 No
Stage 1 DBP Rule Treatment Failure 1 No

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code Lead Level Exceeds Limit Sample Date
02348 0.0014 mg/L No N/A

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Clark Shores Water Corporation (MA4146006) on EPA.gov.

Frequently Asked Questions

Is Clark Shores Water Corporation water safe to drink?

Clark Shores Water Corporation has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.

How many people does Clark Shores Water Corporation serve?

Clark Shores Water Corporation serves approximately 350 people across 7 ZIP codes in Massachusetts.

Where does Clark Shores Water Corporation get its water?

The primary water source is groundwater.

Lead Service Line Inventory

Utility-reported lead service line presence and tap-sample lead level under federal LCRI requirements:

None reported
Lead Service Lines Reported
0.0014 mg/L
Tap Sample Lead Level

Below federal action level (0.015 mg/L)

MassDEP reports utility-level presence flag and tap-sampling without per-line breakdown. Customers should inquire with the utility about service line material at a specific address.

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Did not report any required service line types
Latest tap sample on 2025-01-01 did not exceed the federal lead action level.
Population served: 350
Reported to Massachusetts

Source: MassDEP LCRR Service Line Inventory · Submitted 2024

ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.

Learn about lead in drinking water →

Frequently Asked Questions

Is water from Clark Shores Water Corporation safe to drink?
Clark Shores Water Corporation has a C safety grade based on 8 recorded violations. Some contaminants may exceed EPA limits — independent testing is recommended.
What contaminants are in Clark Shores Water Corporation's water?
Detected contaminants include Consumer Confidence Report Rule, Contaminant 1039, Stage 1 DBP Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 3 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Clark Shores Water Corporation serve?
Clark Shores Water Corporation serves approximately 350 people with drinking water across 7 ZIP codes.
What is Clark Shores Water Corporation's water source?
Clark Shores Water Corporation draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Clark Shores Water Corporation's water?
The maximum detected lead level is 0.0014 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Clark Shores Water Corporation's service area?
The Clark Shores Water Corporation service area has a median household income of $116,876. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Clark Shores Water Corporation get its water?
Clark Shores Water Corporation's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. Based on violation history and environmental factors, the source contamination risk is currently elevated.

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report →

3

Contact your utility

Clark Shores Water Corporation (EPA ID: MA4146006) — request the latest Consumer Confidence Report or ask about specific contaminants.

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