Uinta County, Wyoming
8 ZIP codes · Avg score 55/100 · Grade C · Updated 2026-06-03
For most households in Uinta County, the 8 tracked ZIP codes show adequate but uneven water quality.
How Uinta County Compares
How Uinta County Compares
Uinta County scores 0 points above the Wyoming state average (55/100) and 13 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Uinta County, Wyoming
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.6 (asthma 10.2%, diabetes 11%)
Estimated additional annual cost per homeowner: $449, driven primarily by water_lead
Infrastructure: 0.369% avg pipe failure probability, 25% of ZIPs at high risk
63.4% of homes built before 1978 (lead paint era)
Violation History (2023–2024)
→ Stable trendEPA violation counts by year across Uinta County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 5 violations. Past 5 years: 7 total (7 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: $449
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
9,793 housing units in Uinta 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 Uinta County
Remediation costs are relatively manageable for most homeowners in Uinta 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 Uinta 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 Uinta County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Evanston, | 12,000 | 8 |
| 2 | Bear River Regional Joint Powers | 1,200 | 8 |
| 3 | Lindley Park, Llc | 362 | 8 |
| 4 | BRIDGER VALLEY JOINT POWERS BOARD | 1,728 | 7 |
| 5 | Mountain View, Town of | 1,250 | 4 |
6 total water systems serve Uinta County.
All ZIP Codes in Uinta County
8 ZIP codes tracked in Uinta County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 82930 | Evanston | 69 | C | 4 (1 health) | $258K |
| 2 | 82939 | Mountain View | 69 | C | 4 (1 health) | $214K |
| 3 | 82931 | Evanston | 65 | C | 4 (1 health) | — |
| 4 | 82937 | Lyman | 65 | C | 3 (1 health) | $246K |
| 5 | 82933 | Fort Bridger | 53 | D | 0 | $348K |
| 6 | 82936 | Lonetree | 40 | D | 0 | — |
| 7 | 82938 | Mc Kinnon | 40 | D | 0 | $371K |
| 8 | 82944 | Robertson | 40 | D | 0 | — |
Recommended Buyer Guides for Uinta County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Lead Paint Test Kits — 63.4% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Uinta County, Wyoming
Overview
Uinta County in Wyoming covers 8 ZIP codes with an average Home Safety Score of C (55/100).
4 of 8 ZIP codes have recorded EPA violations. 4 health-based violations have been documented.
← Back to Wyoming 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.