Grand County Water No 1
EPA ID: CO0125323 · 5,400 people served · 1 ZIP code
Zero EPA violations over five years — Grand County Water No 1 ha kept tap water compliance clean for its full service population of 5,400.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Grand County Water No 1 Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Grand County Water No 1 serves a community with a median household income of $60,177 and an estimated 1,237 residents across its service area.
🌊 Where Does Your Water Come From?
Grand County Water No 1'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 Grand County, Colorado rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 80th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection 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
Grand County Water No 1 (EPA ID: CO0125323) is a community water system in Colorado that serves approximately 5,400 people from surface water sources.
This system serves ZIP code 80482 in Winter Park.
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
- 80482 — Winter Park
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Grand County Water No 1 (CO0125323) on EPA.gov.
Frequently Asked Questions
Is Grand County Water No 1 water safe to drink?
Based on EPA records, Grand County Water No 1 has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Grand County Water No 1 serve?
Grand County Water No 1 serves approximately 5,400 people across 1 ZIP code in Colorado.
Where does Grand County Water No 1 get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Detected
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
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.