East Dillon Water District
EPA ID: CO0159045 · 2,501 people served · 1 ZIP code
Although compliance varies widely among water utilities nationally, East Dillon Water District stands out with zero EPA violations over five consecutive monitoring years, delivering safe tap water to 2,501 residents and showing no enforcement activity across the entire reporting span.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for East Dillon Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The East Dillon Water District serves a community with a median household income of $86,023 and an estimated 8,447 residents across its service area. Approximately 53% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
East Dillon Water District'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.
About 1% of homes in Summit County, Colorado rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 7 detections recorded. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Comparable Water Systems
Similar-sized systems in Colorado
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
East Dillon Water District (EPA ID: CO0159045) is a community water system in Colorado that serves approximately 2,501 people from surface water sources.
This system serves ZIP code 80435 in Dillon.
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 CO or modeled from parcel and building-footprint data.
- 80435 — Dillon
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for East Dillon Water District (CO0159045) on EPA.gov.
Frequently Asked Questions
Is East Dillon Water District water safe to drink?
Based on EPA records, East Dillon Water District has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does East Dillon Water District serve?
East Dillon Water District serves approximately 2,501 people across 1 ZIP code in Colorado.
Where does East Dillon Water District 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:
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.