Platte Canyon Water Supply District
EPA ID: CO0103614 · 19,485 people served · 16 ZIP codes
Five years of EPA monitoring have produced no violations for Platte Canyon Water Supply District — the supplier serving 19,485 residents has kept every contaminant level within federal limits, a result that places it among the top-performing utilities for systems with a service population of comparable size.
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 6 (2021) to 3 (2024). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Platte Canyon Water Supply District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Platte Canyon Water Supply District serves a community with a median household income of $136,601 and an estimated 318,691 residents across its service area. Approximately 41% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Platte Canyon Water Supply 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 Arapahoe County, Colorado rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 64th 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. 21 detections recorded.
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
Platte Canyon Water Supply District (EPA ID: CO0103614) is a community water system in Colorado that serves approximately 19,485 people from surface water sources.
This system provides water to 16 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: 2 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 14 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
- 80120 — Littleton
- 80121 — Littleton
- 80122 — Littleton
- 80123 — Littleton
- 80125 — Littleton
- 80126 — Littleton
- 80127 — Littleton
- 80128 — Littleton
- 80129 — Littleton
- 80130 — Littleton
- 80160 — Littleton
- 80161 — Littleton
- 80162 — Littleton
- 80163 — Littleton
- 80165 — Littleton
- 80166 — Littleton
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Platte Canyon Water Supply District (CO0103614) on EPA.gov.
Frequently Asked Questions
Is Platte Canyon Water Supply District water safe to drink?
Based on EPA records, Platte Canyon Water Supply District has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Platte Canyon Water Supply District serve?
Platte Canyon Water Supply District serves approximately 19,485 people across 16 ZIP codes in Colorado.
Where does Platte Canyon Water Supply District get its water?
The primary water source is surface water.