Menemsha Water Company
EPA ID: MA4062000 · 841 people served · 2 ZIP codes
Not yet resolved: 3 EPA violations at Menemsha Water Company, affecting about 841 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Demographics
The Menemsha Water Company serves a community with a median household income of $111,792 and an estimated 2,435 residents across its service area. Approximately 67% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Menemsha Water Company'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.
About 1% of homes in Dukes County, Massachusetts rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How Menemsha Water Company compares to EPA limits
What This Means For You
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Contaminant 1039 at 1 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
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.
System Overview
Menemsha Water Company (EPA ID: MA4062000) is a community water system in Massachusetts that serves approximately 841 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Average Home Safety Score: C (69/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Contaminant 1039 | Monitoring | Unresolved |
| July 1, 2024 | Lead | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 1039 | Other Violation | 1 | No |
| Lead | Inorganic | 1 | No |
| Consumer Confidence Report Rule | Reporting 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 |
|---|---|---|---|
| 02535 | 0.0058 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 FilterFree 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 Menemsha Water Company (MA4062000) on EPA.gov.
Frequently Asked Questions
Is Menemsha Water Company water safe to drink?
Menemsha Water Company has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Menemsha Water Company serve?
Menemsha Water Company serves approximately 841 people across 2 ZIP codes in Massachusetts.
Where does Menemsha Water Company 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:
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.
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.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Menemsha Water Company (EPA ID: MA4062000) — request the latest Consumer Confidence Report or ask about specific contaminants.