Montezuma County, Colorado
8 ZIP codes · Avg score 66/100 · Grade C · Updated
ZipCheckup grade for Montezuma County: C.
A mixed picture - some signals here are worth your attention.
Montezuma County's water quality grade reflects a middle-ground assessment - its 8 ZIP codes range from fully compliant to violation-flagged.
How Montezuma County Compares
How Montezuma County Compares
Montezuma County scores 7 points above the Colorado state average (59/100) and 7 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:
ZIP Code Risk Map
Water Quality Map: Montezuma County, Colorado
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.1 (asthma 11.8%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $1,091, driven primarily by energy_code_gap
53.4% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
→ Stable trendEPA violation counts by year across Montezuma County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 2 violations. Past 5 years: 4 total (4 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
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: $1,091
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
12,496 housing units in Montezuma 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 Montezuma County
Remediation costs are relatively manageable for most homeowners in Montezuma 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 Montezuma County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Montezuma County
2 community water systems serving Montezuma County.
- C
- C
Systems with the most violations in Montezuma County
1 water system with recorded EPA violations.
- C
All ZIP Codes in Montezuma County
8 ZIP codes tracked in Montezuma County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 81321 | Cortez | 67 | C | 0 | $260K |
| 2 | 81323 | Dolores | 67 | C | 0 | $339K |
| 3 | 81328 | Mancos | 65 | C | 4 (1 health) | $410K |
| 4 | 81327 | Lewis | — | — | $366K | |
| 5 | 81330 | Mesa Verde National Park | — | — | — | |
| 6 | 81331 | Pleasant View | — | — | $347K | |
| 7 | 81334 | Towaoc | — | — | — | |
| 8 | 81335 | Yellow Jacket | — | — | $438K |
Recommended Buyer Guides for Montezuma County
Designed to find the guide that fits the county, not the other way around - the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.
- Best Lead Paint Test Kits — 53.4% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Montezuma County, Colorado
Overview
Montezuma County in Colorado covers 8 tracked ZIP records with an average Home Safety Score of C (66/100) across 3 scored records.
1 of 3 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 1 health-based violation 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.