COUNTY REPORT KS

Douglas County, Kansas

Name: Home Safety Data for Douglas County, Kansas
Creator: ZipCheckup
License: https://creativecommons.org/licenses/by/4.0/

7 ZIP codes · Avg score 63/100 · Grade C · Updated

ZipCheckup grade for Douglas County: C.

A mixed picture - some signals here are worth your attention.

Unlike top-rated counties, Douglas County's 7 ZIP codes carry a fair number of documented violations - chlorine compliance and disinfection byproduct limits are the categories most often cited in recent data.

How Douglas County Compares

Douglas County63/100

Kansas avg72/100

National avg73/100

How Douglas County Compares

County Grade

63/100

Avg Safety Score

ZIP Codes

Water Systems

Douglas County scores 9 points below the Kansas state average (72/100) and 10 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:

County Grade

Avg Safety Score

ZIP Codes

Lawrence

Best ZIP: 66046 (66/100)

Eudora

Lowest ZIP: 66025 (55/100)

$281K

Median Home Value

$2,829

Avg Remediation (101% of home value)

ZIP Code Risk Map

Water Quality Map: Douglas 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: 10.5 (asthma 10.1%, diabetes 8.4%)

Estimated additional annual cost per homeowner: $1,296, driven primarily by flood

48.3% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.1% (national: 8.9%)

Diabetes 8.4% (national: 10.5%)

Obesity 30.5% (national: 32.4%)

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

Infrastructure Overview

1990

Median Build Year

48.3%

Pre-1978 Housing

33/100

Infrastructure Stress Indicator

14%

ZIPs with High Infrastructure Stress

Moderate

Lead Pipe Risk

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: $1,296

Flood $1,000/yr

Wildfire $171/yr

Energy Code Gap $120/yr

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

Housing Age Distribution

52,163 housing units in Douglas County

Pre-1940 11%

1940–1959 8%

1960–1979 23%

1980–1999 30%

2000+ 28%

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 Douglas County

$281K

Median Home Value

$2,829

Est. Remediation Cost

1.0%

of Home Value

Remediation as % of home value low burden

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

Asthma 10.1% (US avg: 8.9%)

Diabetes 8.4% (US avg: 11%)

Obesity 30.5% (US avg: 32.4%)

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

Water systems serving Douglas County

8 community water systems serving Douglas County.

City of Lawrence,
Serves ~95,256 people

C
University of Kansas
Serves ~35,000 people 2 violations

C
Johnson Company Rwd 7
Serves ~6,457 people

C
City of Eudora,
Serves ~6,449 people 1 violation

C
City of Baldwin City,
Serves ~4,882 people 1 violation

C
Douglas Company Rwd 3
Serves ~4,663 people 2 violations

C

Show all 8 water systems

City of Desoto,
Serves ~4,645 people 6 violations

C
Jefferson Company Rwd 12
Serves ~3,635 people

C

16 total water systems serve Douglas County.

Systems with the most violations in Douglas County

5 water systems with recorded EPA violations.

City of Desoto,
Serves ~4,645 people 6 violations

C
Douglas Company Rwd 6
Serves ~360 people 4 violations

C
Jefferson Company Rwd 13
Serves ~2,115 people 3 violations

C
University of Kansas
Serves ~35,000 people 2 violations

C
Douglas Company Rwd 3
Serves ~4,663 people 2 violations

C

All ZIP Codes in Douglas County

7 ZIP codes tracked in Douglas County.

#	ZIP Code	City	Safety Score	Grade	Violations	Home Value
1	66046	Lawrence	66	C	2	$217K
2	66045	Lawrence	65	C	2	—
3	66006	Baldwin City	64	C	6	$330K
4	66047	Lawrence	64	C	4	$303K
5	66049	Lawrence	64	C	6	$363K
6	66044	Lawrence	63	C	7	$228K
7	66025	Eudora	55	C	10 (3 health)	$259K

Recommended Buyer Guides for Douglas County

Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.

Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Best Sump Pumps — Flood is the top compound risk factor
Best Mold Test Kits — Flood-driven moisture and mold risk

Deep Dive Reports

Detailed analysis for Douglas County, Kansas

💧

Water Quality

EPA violations, contaminant trends, and enforcement actions across the county

🏠

Home Affordability

Remediation costs vs. home values, equity trap analysis by ZIP

$2,829 avg remediation

🌊

Flood Risk

NFIP claim history and recorded rated-zone context across the county, plus FEMA property-map guidance

Overview

Douglas County in Kansas covers 7 tracked ZIP records with an average Home Safety Score of C (63/100) across 7 scored records.

7 of 7 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 3 health-based violations appear in the available health breakdown.

← Back to Kansas 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.

Frequently Asked Questions

Is water safe in Douglas County?

Douglas 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 Douglas County?

Douglas County is served by 16 public water systems that supply drinking water to residents across 7 ZIP codes.

What is the biggest environmental risk in Douglas County?

The primary environmental risk factor in Douglas County is flood. This contributes to an estimated additional annual cost of $1,296 per homeowner.

How old are homes in Douglas County?

The median home build year in Douglas County is 1990. 48.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.

How does Douglas County compare to Kansas?

Douglas County has an average Home Safety Score of 63/100 under model 4.0.0, which is below the Kansas state average of 72/100.

Explore More

Flood Risk Rankings 2026 Lead Risk Rankings 2026 Water Safety Rankings 2026 Home Safety Rankings 2026 Water Filter Matcher Find the right filter for your water Home Safety Score Full safety breakdown by ZIP

Kansas State Overview →