COUNTY REPORT KS

Woodson County, Kansas

4 ZIP codes · Avg score 60/100 · Grade C · Updated 2026-06-03

Spanning 4 ZIP codes, Woodson County lands near the national median for water safety — compliance results are mixed, and the county's middle-grade standing reflects genuine variability rather than a single systemic problem.

How Woodson County Compares

Woodson County60/100
Kansas avg64/100
National avg68/100

How Woodson County Compares

C
County Grade
60/100
Avg Safety Score
4
ZIP Codes
5
Water Systems

Woodson County scores 4 points below the Kansas state average (64/100) and 8 points below the national average (68/100).

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

C
County Grade
60
Avg Safety Score
4
ZIP Codes
Best ZIP: 66761 (83/100)
Lowest ZIP: 66783 (50/100)
$90K
Median Home Value
$700
Avg Remediation (78% of home value)

Key Risk Factors

Health risk index: 15.2 (asthma 10.2%, diabetes 13.6%)

Estimated additional annual cost per homeowner: $393, driven primarily by water_lead

Infrastructure: 0.455% avg pipe failure probability, 25% of ZIPs at high risk

70.5% of homes built before 1978 (lead paint era)

Violation History (2024–2025)

→ Stable trend

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

2024
15 (15 health)
2025
10 (10 health)

Peak year: 2024 with 15 violations. Past 5 years: 25 total (25 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 13.6% (national: 10.5%)
Obesity 39.6% (national: 32.4%)

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

Infrastructure Overview

1970
Median Build Year
70.5%
Pre-1978 Housing
46%
Pipe Failure Probability
25%
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: $393

Water / Lead $213/yr
Energy Code Gap $180/yr

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

Housing Age Distribution

1,880 housing units in Woodson County

Pre-1940 30%
1940–1959 16%
1960–1979 25%
1980–1999 16%
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 Woodson County

$90K
Median Home Value
$700
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.2% (US avg: 8.9%)
Diabetes 13.6% (US avg: 11%)
Obesity 39.6% (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 Woodson County ranked by EPA violation count.

# Water System Population Violations
1 WOODSON CO RWD 1 1,773 43
2 Wilson Company Rwd 9 447 43
3 City of Yates Center, 1,335 28
4 Wilson Company Rwd 11 836 15
5 City of Toronto, 203 15

All ZIP Codes in Woodson County

4 ZIP codes tracked in Woodson County.

# ZIP Code City Safety Score Grade Violations Home Value
1 66761 Piqua 83 B 0 $153K
2 66758 Neosho Falls 53 D 0
3 66777 Toronto 52 D 15 (10 health) $57K
4 66783 Yates Center 50 D 28 (20 health) $90K

Recommended Buyer Guides for Woodson County

Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.

Overview

Woodson County in Kansas covers 4 ZIP codes with an average Home Safety Score of C (60/100).

2 of 4 ZIP codes have recorded EPA violations. 30 health-based violations have been documented.

← Back to Kansas water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Woodson County?
Woodson 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 Woodson County?
Woodson County is served by 5 public water systems that supply drinking water to residents across 4 ZIP codes.
What is the biggest environmental risk in Woodson County?
The primary environmental risk factor in Woodson County is water_lead. This contributes to an estimated additional annual cost of $393 per homeowner.
How old are homes in Woodson County?
The median home build year in Woodson County is 1970. 70.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Woodson County compare to Kansas?
Woodson County has an average water safety score of 60/100, which is below the Kansas state average of 64/100.

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