Hayden Town of
EPA ID: CO0154333 · 3,915 people served · 1 ZIP code
Past issues aside, Hayden Town of cleared all 13 violations and is compliant today, supplying 3,915 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Hayden Town of Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The Hayden Town of serves a community with a median household income of $106,429 and an estimated 2,617 residents across its service area. Approximately 52% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Hayden Town of'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 0% of homes in Routt 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 70th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
Infrastructure Risk
Detected Contaminants
How Hayden Town of compares to EPA limits
What This Means For You
Monochloroacetic Acid at 1 mg/L exceeds the EPA maximum of 0.06 mg/L.
Chromium at 1 mg/L (total chromium; California Cr-6 MCL = 0.010 mg/L) exceeds the EPA maximum of 0.1 mg/L (total chromium; California Cr-6 MCL = 0.010 mg/L). Stomach & intestinal cancer (known carcinogen). Consider reverse osmosis filtration.
Stage 1 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 2 presence exceeds the EPA maximum of presence.
Chromium was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
Hayden Town of (EPA ID: CO0154333) is a community water system in Colorado that serves approximately 3,915 people from surface water sources.
This system serves ZIP code 81639 in Hayden.
Average Home Safety Score: B (77/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| October 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| October 1, 2024 | E. coli | Monitoring | Resolved |
| October 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| February 5, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| January 6, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2024 | Gross Beta | Monitoring | Resolved |
| November 10, 2023 | Total Coliform | Monitoring | Resolved |
| October 16, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
| October 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| October 1, 2023 | Gross Beta | Monitoring | Resolved |
| July 1, 2023 | Monochloroacetic Acid | Monitoring | Resolved |
| April 1, 2023 | Chromium | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Gross Beta | Radionuclides | 2 | No |
| Stage 1 DBP Rule | Treatment Failure | 2 | No |
| Consumer Confidence Report Rule | Reporting Failure | 2 | No |
| Revised Total Coliform Rule | Microbiological | 2 | No |
| Chromium | Inorganic | 1 | No |
| Monochloroacetic Acid | Disinfection Byproducts | 1 | No |
| Total Coliform | Microbiological | 1 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
| E. coli | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 81639 | 0.0024 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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.
- 81639 — Hayden
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Hayden Town of (CO0154333) on EPA.gov.
Frequently Asked Questions
Is Hayden Town of water safe to drink?
Hayden Town of has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Hayden Town of serve?
Hayden Town of serves approximately 3,915 people across 1 ZIP code in Colorado.
Where does Hayden Town of get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
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.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Hayden Town of (EPA ID: CO0154333) — request the latest Consumer Confidence Report or ask about specific contaminants.