Sandy Hook
EPA ID: MD0210019 · 220 people served · 3 ZIP codes
Sandy Hook earns a clean bill from EPA monitoring — no violations in five years across a service area of 220 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Sandy Hook Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Sandy Hook serves a community with a median household income of $89,375 and an estimated 8,677 residents across its service area. Approximately 55% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 34% 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?
Sandy Hook'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 Washington County, Maryland 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 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 5 detections recorded. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS).
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
SANDY HOOK (EPA ID: MD0210019) is a community water system in Maryland that serves approximately 220 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
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
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Sandy Hook (MD0210019) on EPA.gov.
Frequently Asked Questions
Is Sandy Hook water safe to drink?
Based on EPA records, Sandy Hook has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Sandy Hook serve?
Sandy Hook serves approximately 220 people across 3 ZIP codes in Maryland.
Where does Sandy Hook get its water?
The primary water source is groundwater.