Ewell Waterworks Cooperative
EPA ID: MD0190004 · 75 people served · 1 ZIP code
Across every monitored period in the past five years, Ewell Waterworks Cooperative reported no EPA violations for its service population of 75.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Ewell Waterworks Cooperative Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Ewell Waterworks Cooperative serves a community with a median household income of $81,420 and an estimated 106 residents across its service area. Approximately 79% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 71% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Ewell Waterworks Cooperative'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 Somerset County, Maryland rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Maryland
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
Ewell Waterworks Cooperative (EPA ID: MD0190004) is a community water system in Maryland that serves approximately 75 people from groundwater sources.
This system serves ZIP code 21866 in Tylerton.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 21866 — Tylerton
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Ewell Waterworks Cooperative (MD0190004) on EPA.gov.
Frequently Asked Questions
Is Ewell Waterworks Cooperative water safe to drink?
Based on EPA records, Ewell Waterworks Cooperative has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Ewell Waterworks Cooperative serve?
Ewell Waterworks Cooperative serves approximately 75 people across 1 ZIP code in Maryland.
Where does Ewell Waterworks Cooperative get its water?
The primary water source is groundwater.