COUNTY REPORT SD

Lake County, South Dakota

7 ZIP codes · Home Safety Score unavailable · 0 of 7 tracked ZIP records scored · Updated

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

Unavailable
0 of 7 tracked ZIP records scored
7
ZIP Codes
$226K
Median Home Value
$2,314
Avg Remediation (103% of home value)

ZIP Code Risk Map

Water Quality Map: Lake County, South Dakota

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 (asthma 9.7%, diabetes 12%)

Estimated additional annual cost per homeowner: $1,389, driven primarily by flood

66.9% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.7% (national: 8.9%)
Diabetes 12% (national: 10.5%)
Obesity 32.5% (national: 32.4%)

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

Infrastructure Overview

1954
Median Build Year
66.9%
Pre-1978 Housing
49/100
Infrastructure Stress Indicator
86%
ZIPs with High Infrastructure Stress
Low
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: $1,389

Flood $1,040/yr
Water Infrastructure $257/yr
Water / Lead $221/yr

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

Housing Age Distribution

5,775 housing units in Lake County

Pre-1940 24%
1940–1959 10%
1960–1979 26%
1980–1999 23%
2000+ 17%

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 Lake County

$226K
Median Home Value
$2,314
Est. Remediation Cost
1.0%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.7% (US avg: 8.9%)
Diabetes 12% (US avg: 11%)
Obesity 32.5% (US avg: 32.4%)

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

Water systems serving Lake County

4 community water systems serving Lake County.

Systems with the most violations in Lake County

1 water system with recorded EPA violations.

All ZIP Codes in Lake County

7 ZIP codes tracked in Lake County.

# ZIP Code City Safety Score Grade Violations Home Value
1 57016 Chester 1 $226K
2 57042 Madison 1 $218K
3 57050 Nunda 0 $225K
4 57054 Ramona 0 $109K
5 57057 Rutland $367K
6 57075 Wentworth 1 $430K
7 57076 Winfred 0 $264K

Recommended Buyer Guides for Lake County

Independent picks. EPA-grounded. Matched here.

Overview

Lake County in South Dakota covers 7 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

3 of 6 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.

← Back to South Dakota Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

How many water systems serve Lake County?
Lake County is served by 4 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Lake County?
The primary environmental risk factor in Lake County is flood. This contributes to an estimated additional annual cost of $1,389 per homeowner.
How old are homes in Lake County?
The median home build year in Lake County is 1954. 66.9% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Lake County, South Dakota Home Safety Profile. https://zipcheckup.com/county/south-dakota/lake/
BibTeX
@misc{zipcheckup-county-south-dakota-lake,
  author = {{ZipCheckup}},
  title  = {{Lake County, South Dakota Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/south-dakota/lake/}
}

Page version: August 2026.

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