Groton Long Point Association
EPA ID: CT0590051 · 2,400 people served · 2 ZIP codes
Over five tracked years, Groton Long Point Association has stayed completely violation-free for its 2,400 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Groton Long Point Association Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Groton Long Point Association serves a community with a median household income of $77,768 and an estimated 29,833 residents across its service area. Approximately 70% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Groton Long Point Association's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Connecticut
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
Groton Long Point Association (EPA ID: CT0590051) is a community water system in Connecticut that serves approximately 2,400 people from surface water sources.
This system provides water to 2 ZIP codes across 1 community.
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
Coverage: 1 ZIP code confirmed via EPA Community Water System Service Area Boundaries v3 plus 1 additional ZIP inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Groton Long Point Association (CT0590051) on EPA.gov.
Frequently Asked Questions
Is Groton Long Point Association water safe to drink?
Based on EPA records, Groton Long Point Association has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Groton Long Point Association serve?
Groton Long Point Association serves approximately 2,400 people across 2 ZIP codes in Connecticut.
Where does Groton Long Point Association get its water?
The primary water source is surface water.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
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: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
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.