Aquarion-east Derby
EPA ID: CT0378011 · 1,101 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Aquarion-east Derby (CT0378011): no EPA violations recorded in the last five years. Even as other utilities in the region logged violations, Aquarion-east Derby kept a clean EPA record - five years, no issues, 1,101 people served.
Data: EPA SDWIS
Service Area Map
Coverage area for Aquarion-east Derby Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Aquarion-east Derby serves a community with a median household income of $80,953 and an estimated 45,561 residents across its service area. Approximately 82% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Aquarion-east Derby'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
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 12 detections recorded. 6 exceed federal EPA limits (4 ppt for PFOA/PFOS).
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
Aquarion-east Derby (EPA ID: CT0378011) is a community water system in Connecticut that serves approximately 1,101 people from surface water sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CT or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Aquarion-east Derby (CT0378011) on EPA.gov.
Frequently Asked Questions
Is Aquarion-east Derby water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Aquarion-east Derby in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Aquarion-east Derby serve?
Aquarion-east Derby serves approximately 1,101 people across 3 ZIP codes in Connecticut.
Where does Aquarion-east Derby get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Aquarion-east Derby Water Quality Report, CT. https://zipcheckup.com/water-system/ct0378011/
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author = {{ZipCheckup}},
title = {{Aquarion-east Derby Water Quality Report, CT}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ct0378011/}
}