COUNTY REPORT SD

Mellette County, South Dakota

3 ZIP codes · Home Safety Score unavailable · 0 of 3 tracked ZIP records scored

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

Unavailable
0 of 3 tracked ZIP records scored
3
ZIP Codes
$81K
Median Home Value

Key Risk Factors

Health risk index: 19.1 (asthma 13.2%, diabetes 21.1%)

Modeled additional annual cost estimate per homeowner: $550, largest modeled factor: Wildfire

66% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 13.2% (national: 8.9%)
Diabetes 21.1% (national: 10.5%)
Obesity 45.6% (national: 32.4%)

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

Infrastructure Overview

1965
Median Build Year
66%
Pre-1980 Housing
47/100
Infrastructure Stress Indicator
67%
ZIPs with High Infrastructure Stress
High
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $550

Wildfire $300/yr
Energy Code Gap $150/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

766 housing units in Mellette County

Pre-1940 12%
1940–1959 18%
1960–1979 36%
1980–1999 21%
2000+ 13%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Health Outcomes vs National Average

CDC PLACES data for Mellette County residents

Asthma 13.2% (US avg: 8.9%)
Diabetes 21.1% (US avg: 11%)
Obesity 45.6% (US avg: 32.4%)

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

Water systems mapped to Mellette County ZIP codes

1 community water system mapped to Mellette County ZIP codes; EPA may list more systems serving the county.

All ZIP Codes in Mellette County

3 ZIP codes tracked in Mellette County.

# ZIP Code City Safety Score Grade Violations Home Value
1 57560 Norris — — —
2 57579 White River — — 0 $59K
3 57585 Wood — — 0 $104K

Recommended Buyer Guides for Mellette County

Nothing on this list means a problem exists in your own home: the matches are drawn from county- and ZIP-level records, so a guide shows up because of an area signal, and only testing at your tap describes a specific household.

Overview

Mellette County in South Dakota covers 3 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.

The available EPA record reports 0 violations for 2 ZIP codes with a reported violation count.

← 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 Mellette County?
We map 1 public water system to the 3 ZIP codes of Mellette County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Mellette County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Mellette County is wildfire. Across all modeled risk factors, the estimated average additional annual cost is $550 per homeowner; actual costs vary by home.
How old are homes in Mellette County?
The median home build year in Mellette County is 1965. 66% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.

How to cite this page

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

Page version: October 2026.

Get safety alerts for Mellette, South Dakota

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.