COUNTY REPORT KS

Gray County, Kansas

5 ZIP codes · Avg score 55/100 · Grade C · Updated 2026-06-03

Water safety in Gray County is uneven — some of its 5 ZIP codes meet standards cleanly while others carry documented violations.

How Gray County Compares

Gray County55/100
Kansas avg64/100
National avg68/100

How Gray County Compares

C
County Grade
55/100
Avg Safety Score
5
ZIP Codes
5
Water Systems

Gray County scores 9 points below the Kansas state average (64/100) and 13 points below the national average (68/100).

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

C
County Grade
55
Avg Safety Score
5
ZIP Codes
Best ZIP: 67867 (66/100)
Lowest ZIP: 67837 (33/100)
$172K
Median Home Value
$1,320
Avg Remediation (77% of home value)

ZIP Code Risk Map

Water Quality Map: Gray County, Kansas

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 13.3 (asthma 10.2%, diabetes 11.2%)

Estimated additional annual cost per homeowner: $276, driven primarily by water_lead

Infrastructure: 0.422% avg pipe failure probability, 60% of ZIPs at high risk

69.2% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

→ Stable trend

EPA violation counts by year across Gray County water systems. Health-based shown in red, total in blue.

2021
2 (2 health)
2022
3 (3 health)
2023
4 (4 health)
2024
3 (3 health)
2025
3 (3 health)

Peak year: 2023 with 4 violations. Past 5 years: 15 total (15 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.2% (national: 8.9%)
Diabetes 11.2% (national: 10.5%)
Obesity 39.5% (national: 32.4%)

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

Infrastructure Overview

1975
Median Build Year
69.2%
Pre-1978 Housing
42%
Pipe Failure Probability
60%
ZIPs at High Infra Risk
Low
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: $276

Water / Lead $150/yr
Energy Code Gap $126/yr

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

Housing Age Distribution

2,612 housing units in Gray County

Pre-1940 18%
1940–1959 17%
1960–1979 24%
1980–1999 30%
2000+ 12%

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 Gray County

$172K
Median Home Value
$1,320
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.2% (US avg: 8.9%)
Diabetes 11.2% (US avg: 11%)
Obesity 39.5% (US avg: 32.4%)

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

Water Systems with Most Violations

Top 5 systems in Gray County ranked by EPA violation count.

# Water System Population Violations
1 City of Copeland, 251 30
2 City of Ingalls, 249 10
3 City of Cimarron, 1,973 4
4 City of Ensign, 167 4
5 City of Montezuma, 951 0

All ZIP Codes in Gray County

5 ZIP codes tracked in Gray County.

# ZIP Code City Safety Score Grade Violations Home Value
1 67867 Montezuma 66 C 0 $172K
2 67835 Cimarron 63 C 4 $179K
3 67841 Ensign 61 C 4 $138K
4 67853 Ingalls 51 D 10 $141K
5 67837 Copeland 33 F 30 (17 health) $246K

Recommended Buyer Guides for Gray County

Independent picks. EPA-grounded. Matched here.

Overview

Gray County in Kansas covers 5 ZIP codes with an average Home Safety Score of C (55/100).

4 of 5 ZIP codes have recorded EPA violations. 17 health-based violations have been documented.

← Back to Kansas water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Gray County?
Gray 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 Gray County?
Gray County is served by 5 public water systems that supply drinking water to residents across 5 ZIP codes.
What is the biggest environmental risk in Gray County?
The primary environmental risk factor in Gray County is water_lead. This contributes to an estimated additional annual cost of $276 per homeowner.
How old are homes in Gray County?
The median home build year in Gray County is 1975. 69.2% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Gray County compare to Kansas?
Gray County has an average water safety score of 55/100, which is below the Kansas state average of 64/100.

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