Ash Water Company, Llc
EPA ID: CT0720101 · 108 people served · 1 ZIP code
For the full five-year period covered by EPA monitoring, Ash Water Company, Llc has supplied tap water to 108 residents with no violations of any type on record.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 89% chance of violation in next 12 months
Violations went from 2 (2023) to 1 (2024). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Ash Water Company, Llc Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Ash Water Company, Llc serves a community with a median household income of $65,848 and an estimated 37,527 residents across its service area. Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Ash Water Company, Llc'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 60th 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. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds state limits.
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
Ash Water Company, Llc (EPA ID: CT0720101) is a community water system in Connecticut that serves approximately 108 people from groundwater sources.
This system serves ZIP code 06360 in Norwich.
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
- 06360 — Norwich
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Ash Water Company, Llc (CT0720101) on EPA.gov.
Frequently Asked Questions
Is Ash Water Company, Llc water safe to drink?
Based on EPA records, Ash Water Company, Llc has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Ash Water Company, Llc serve?
Ash Water Company, Llc serves approximately 108 people across 1 ZIP code in Connecticut.
Where does Ash Water Company, Llc 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.