COUNTY REPORT KS

Seward County, Kansas

3 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-06-03

Seward County's tap water quality puts it in the upper tier nationally; the 3 ZIP codes here record few health-based violations.

How Seward County Compares

Seward County78/100
Kansas avg64/100
National avg68/100

How Seward County Compares

B
County Grade
78/100
Avg Safety Score
3
ZIP Codes
3
Water Systems

Seward County scores 14 points above the Kansas state average (64/100) and 10 points above the national average (68/100).

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

B
County Grade
78
Avg Safety Score
3
ZIP Codes
Best ZIP: 67859 (81/100)
Lowest ZIP: 67901 (74/100)
$137K
Median Home Value
$800
Avg Remediation (58% of home value)

Key Risk Factors

Health risk index: 12.7 (asthma 9.2%, diabetes 13.4%)

Estimated additional annual cost per homeowner: $687, driven primarily by flood

Infrastructure: 0.347% avg pipe failure probability, 33% of ZIPs at high risk

68.5% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.2% (national: 8.9%)
Diabetes 13.4% (national: 10.5%)
Obesity 42.7% (national: 32.4%)

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

Infrastructure Overview

1971
Median Build Year
68.5%
Pre-1978 Housing
35%
Pipe Failure Probability
33%
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: $687

Flood $467/yr
Energy Code Gap $120/yr
Water / Lead $100/yr

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

Housing Age Distribution

8,151 housing units in Seward County

Pre-1940 7%
1940–1959 20%
1960–1979 38%
1980–1999 21%
2000+ 13%

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 Seward County

$137K
Median Home Value
$800
Est. Remediation Cost
0.6%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.2% (US avg: 8.9%)
Diabetes 13.4% (US avg: 11%)
Obesity 42.7% (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 3 systems in Seward County ranked by EPA violation count.

# Water System Population Violations
1 City of Liberal, 19,640 12
2 Rolling Hills Landowners Assn 130 12
3 City of Kismet, 337 1

All ZIP Codes in Seward County

3 ZIP codes tracked in Seward County.

# ZIP Code City Safety Score Grade Violations Home Value
1 67859 Kismet 81 B 1 $143K
2 67905 Liberal 79 B 6
3 67901 Liberal 74 B 6 $131K

Recommended Buyer Guides for Seward County

Four sources — EPA, NSF, FEMA, CDC — drive the match.

Overview

Seward County in Kansas covers 3 ZIP codes with an average Home Safety Score of B (78/100).

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

← Back to Kansas water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Seward County?
Seward County receives a grade of B, indicating generally safe tap water across its 3 ZIP codes.
How many water systems serve Seward County?
Seward County is served by 3 public water systems that supply drinking water to residents across 3 ZIP codes.
What is the biggest environmental risk in Seward County?
The primary environmental risk factor in Seward County is flood. This contributes to an estimated additional annual cost of $687 per homeowner.
How old are homes in Seward County?
The median home build year in Seward County is 1971. 68.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Seward County compare to Kansas?
Seward County has an average water safety score of 78/100, which is above the Kansas state average of 64/100.

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