COUNTY REPORT SD

Jackson County, South Dakota

2 ZIP codes · Avg score 68/100 · Grade C · Updated 2026-06-03

Current EPA records place Jackson County in the middle tier for drinking water safety, with 2 ZIP codes showing a range of outcomes.

How Jackson County Compares

Jackson County68/100
South Dakota avg60/100
National avg68/100

How Jackson County Compares

C
County Grade
68/100
Avg Safety Score
2
ZIP Codes
2
Water Systems

Jackson County scores 8 points above the South Dakota state average (60/100) and 0 points above the national average (68/100).

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

C
County Grade
68
Avg Safety Score
2
ZIP Codes
Best ZIP: 57543 (83/100)
Lowest ZIP: 57577 (53/100)
$109K
Median Home Value
$400
Avg Remediation (37% of home value)

Key Risk Factors

Health risk index: 17.7 (asthma 13.2%, diabetes 18.6%)

Estimated additional annual cost per homeowner: $630, driven primarily by wildfire

Infrastructure: 0.35% avg pipe failure probability

60.5% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 13.2% (national: 8.9%)
Diabetes 18.6% (national: 10.5%)
Obesity 40.9% (national: 32.4%)

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

Infrastructure Overview

1980
Median Build Year
60.5%
Pre-1978 Housing
35%
Pipe Failure Probability
0%
ZIPs at High Infra Risk
High
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: $630

Wildfire $300/yr
Energy Code Gap $180/yr
Water / Lead $150/yr

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

Housing Age Distribution

658 housing units in Jackson County

Pre-1940 9%
1940–1959 10%
1960–1979 38%
1980–1999 24%
2000+ 18%

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 Jackson County

$109K
Median Home Value
$400
Est. Remediation Cost
0.4%
of Home Value
Remediation as % of home value low burden

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

Asthma 13.2% (US avg: 8.9%)
Diabetes 18.6% (US avg: 11%)
Obesity 40.9% (US avg: 32.4%)

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

All ZIP Codes in Jackson County

2 ZIP codes tracked in Jackson County.

# ZIP Code City Safety Score Grade Violations Home Value
1 57543 Kadoka 83 B 0 $159K
2 57577 Wanblee 53 D 0 $59K

Recommended Buyer Guides for Jackson 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.

Overview

Jackson County in South Dakota covers 2 ZIP codes with an average Home Safety Score of C (68/100).

No EPA violations recorded across any tracked ZIP codes in Jackson County.

← Back to South Dakota water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Jackson County?
Jackson 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 Jackson County?
Jackson County is served by 2 public water systems that supply drinking water to residents across 2 ZIP codes.
What is the biggest environmental risk in Jackson County?
The primary environmental risk factor in Jackson County is wildfire. This contributes to an estimated additional annual cost of $630 per homeowner.
How old are homes in Jackson County?
The median home build year in Jackson County is 1980. 60.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Jackson County compare to South Dakota?
Jackson County has an average water safety score of 68/100, which is above the South Dakota state average of 60/100.

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