Alamosa County, Colorado
4 ZIP codes · Avg score 67/100 · Grade C · Updated
ZipCheckup grade for Alamosa County: C.
A mixed picture - some signals here are worth your attention.
For most households in Alamosa County, the 4 tracked ZIP codes show adequate but uneven water quality.
How Alamosa County Compares
How Alamosa County Compares
Alamosa County scores 8 points above the Colorado state average (59/100) and 6 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
Key Risk Factors
Health risk index: 11.6 (asthma 11%, diabetes 11.3%)
Estimated additional annual cost per homeowner: $725, driven primarily by flood
56% 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
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $725
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
7,111 housing units in Alamosa 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 Alamosa County
Remediation costs are relatively manageable for most homeowners in Alamosa 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 Alamosa County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Alamosa County
3 community water systems serving Alamosa County.
- C
- C
- C
Systems with the most violations in Alamosa County
1 water system with recorded EPA violations.
- C
All ZIP Codes in Alamosa County
4 ZIP codes tracked in Alamosa County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 81101 | Alamosa | 67 | C | 108 (19 health) | $217K |
| 2 | 81102 | Alamosa | — | — | — | |
| 3 | 81136 | Hooper | — | — | $194K | |
| 4 | 81146 | Mosca | — | — | $226K |
Recommended Buyer Guides for Alamosa 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 Water Filters for PFAS — PFAS detected in 1 ZIP code
- Best Lead Paint Test Kits — 56% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Overview
Alamosa County in Colorado covers 4 tracked ZIP records with an average Home Safety Score of C (67/100) across 1 scored records.
1 of 1 ZIP code with a reported violation count in the available EPA record have recorded EPA violations. 19 health-based violations appear in the available health breakdown.
← Back to Colorado Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.