Candlewood Knolls Water Authority
EPA ID: CT0910591 · 524 people served · 1 ZIP code
Federal monitoring spanning five full years has produced zero violations at Candlewood Knolls Water Authority — a clean record across every reporting cycle for a utility serving approximately 524 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 3 (2023) to 1 (2024). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Candlewood Knolls Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Candlewood Knolls Water Authority serves a community with a median household income of $143,864 and an estimated 13,558 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?
Candlewood Knolls Water Authority'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.
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
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
Candlewood Knolls Water Authority (EPA ID: CT0910591) is a community water system in Connecticut that serves approximately 524 people from groundwater sources.
This system serves ZIP code 06812 in New Fairfield.
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: 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.
- 06812 — New Fairfield
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Candlewood Knolls Water Authority (CT0910591) on EPA.gov.
Frequently Asked Questions
Is Candlewood Knolls Water Authority water safe to drink?
Based on EPA records, Candlewood Knolls Water Authority has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Candlewood Knolls Water Authority serve?
Candlewood Knolls Water Authority serves approximately 524 people across 1 ZIP code in Connecticut.
Where does Candlewood Knolls Water Authority get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
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.