COUNTY REPORT CO

Cheyenne County, Colorado

3 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-06-03

The systems supplying Cheyenne County's 3 ZIP codes vary in performance — most meet minimum standards, but violations in select areas are on record.

How Cheyenne County Compares

Cheyenne County57/100
Colorado avg60/100
National avg68/100

How Cheyenne County Compares

C
County Grade
57/100
Avg Safety Score
3
ZIP Codes
2
Water Systems

Cheyenne County scores 3 points below the Colorado state average (60/100) and 11 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

C
County Grade
57
Avg Safety Score
3
ZIP Codes
Best ZIP: 80810 (66/100)
Lowest ZIP: 80825 (40/100)
$182K
Median Home Value
$1,200
Avg Remediation (66% of home value)

Key Risk Factors

Health risk index: 12.9 (asthma 11.3%, diabetes 11.3%)

Estimated additional annual cost per homeowner: $690, driven primarily by energy_code_gap

Infrastructure: 0.42% avg pipe failure probability, 33% of ZIPs at high risk

77.7% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 11.3% (national: 8.9%)
Diabetes 11.3% (national: 10.5%)
Obesity 28.8% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1964
Median Build Year
77.7%
Pre-1978 Housing
42%
Pipe Failure Probability
33%
ZIPs at High Infra Risk
High
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $690

Energy Code Gap $540/yr
Water / Lead $150/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

935 housing units in Cheyenne County

Pre-1940 21%
1940–1959 21%
1960–1979 27%
1980–1999 24%
2000+ 8%

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 Cheyenne County

$182K
Median Home Value
$1,200
Est. Remediation Cost
0.7%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Cheyenne 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 Cheyenne County residents

Asthma 11.3% (US avg: 8.9%)
Diabetes 11.3% (US avg: 11%)
Obesity 28.8% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

All ZIP Codes in Cheyenne County

3 ZIP codes tracked in Cheyenne County.

# ZIP Code City Safety Score Grade Violations Home Value
1 80810 Cheyenne Wells 66 C 1 $182K
2 80802 Arapahoe 64 C 4 $154K
3 80825 Kit Carson 40 D 0 $253K

Recommended Buyer Guides for Cheyenne County

Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.

Overview

Cheyenne County in Colorado covers 3 ZIP codes with an average Home Safety Score of C (57/100).

2 of 3 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to Colorado water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Cheyenne County?
Cheyenne County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Cheyenne County?
Cheyenne County is served by 2 public water systems that supply drinking water to residents across 3 ZIP codes.
What is the biggest environmental risk in Cheyenne County?
The primary environmental risk factor in Cheyenne County is energy_code_gap. This contributes to an estimated additional annual cost of $690 per homeowner.
How old are homes in Cheyenne County?
The median home build year in Cheyenne County is 1964. 77.7% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Cheyenne County compare to Colorado?
Cheyenne County has an average water safety score of 57/100, which is below the Colorado state average of 60/100.

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