Hot Springs County, Wyoming
2 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-04
Compared to top-scoring counties, Hot Springs County's 2 ZIP codes land in the middle tier — some meet standards cleanly, others carry documented violations, and the gap between the best and worst areas is wider than average.
How Hot Springs County Compares
How Hot Springs County Compares
Hot Springs County scores 11 points above the Wyoming state average (55/100) and 2 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
Key Risk Factors
Health risk index: 15 (asthma 10.5%, diabetes 14.5%)
Estimated additional annual cost per homeowner: $855, driven primarily by wildfire
Infrastructure: 0.44% avg pipe failure probability, 100% of ZIPs at high risk
84.5% of homes built before 1978 (lead paint era)
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: $855
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,528 housing units in Hot Springs 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 Hot Springs County
Remediation costs are relatively manageable for most homeowners in Hot Springs 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 Hot Springs 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 Hot Springs County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Thermopolis, Town of | 2,775 | 5 |
| 2 | South Thermopolis W&s District | 450 | 5 |
| 3 | Lucerne Water and Sewer District | 350 | 5 |
| 4 | East Thermopolis, Town of | 254 | 5 |
| 5 | Red Lane Domestic Water, Inc. | 110 | 5 |
6 total water systems serve Hot Springs County.
All ZIP Codes in Hot Springs County
2 ZIP codes tracked in Hot Springs County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 82430 | Kirby | 66 | C | 1 | $84K |
| 2 | 82443 | Thermopolis | 66 | C | 5 | $218K |
Recommended Buyer Guides for Hot Springs County
Editorial-only picks, screened against the EPA detections on file.
- Best Lead Paint Test Kits — 84.5% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Overview
Hot Springs County in Wyoming covers 2 ZIP codes with an average Home Safety Score of C (66/100).
2 of 2 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.