Routt County, Colorado
11 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-03
Tracking 11 ZIP codes in Routt County reveals a mixed picture — tap water quality varies meaningfully by location.
How Routt County Compares
How Routt County Compares
Routt County scores 6 points above the Colorado state average (60/100) and 2 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Routt County, Colorado
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11 (asthma 10.8%, diabetes 9%)
Estimated additional annual cost per homeowner: $1,037, driven primarily by energy_code_gap
Infrastructure: 0.424% avg pipe failure probability, 45% of ZIPs at high risk
66.4% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Routt County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 18 violations. Past 5 years: 55 total (55 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,037
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
16,612 housing units in Routt County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Routt County
Remediation costs are relatively manageable for most homeowners in Routt County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Routt County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Routt County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | MT WERNER WD | 16,980 | 150 |
| 2 | City of Steamboat Springs | 9,950 | 150 |
| 3 | Steamboat Ii Md | 1,450 | 150 |
| 4 | Tree Haus Md | 248 | 150 |
| 5 | Catamount Md Lake Property | 219 | 150 |
12 total water systems serve Routt County.
All ZIP Codes in Routt County
11 ZIP codes tracked in Routt County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 80428 | Clark | 79 | B | 5 | $724K |
| 2 | 80483 | Yampa | 79 | B | 6 (3 health) | $346K |
| 3 | 81639 | Hayden | 77 | B | 13 | $416K |
| 4 | 80477 | Steamboat Springs | 72 | B | 50 (8 health) | — |
| 5 | 80488 | Steamboat Springs | 69 | C | 50 (8 health) | — |
| 6 | 80467 | Oak Creek | 68 | C | 40 (12 health) | $644K |
| 7 | 80487 | Steamboat Springs | 67 | C | 50 (8 health) | $916K |
| 8 | 80430 | Coalmont | 53 | D | 0 | $363K |
| 9 | 80469 | Phippsburg | 53 | D | 0 | $323K |
| 10 | 80479 | Toponas | 53 | D | 0 | — |
| 11 | 81653 | Slater | 53 | D | 0 | — |
Recommended Buyer Guides for Routt County
Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Lead Paint Test Kits — 66.4% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Routt County, Colorado
Overview
Routt County in Colorado covers 11 ZIP codes with an average Home Safety Score of C (66/100).
7 of 11 ZIP codes have recorded EPA violations. 39 health-based violations have been documented.
← Back to Colorado water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.