Grant County, South Dakota
9 ZIP codes · Home Safety Score unavailable · 0 of 9 tracked ZIP records scored
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
ZIP Code Risk Map
Water Quality Map: Grant County, South Dakota
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14 (asthma 9.7%, diabetes 12.8%)
Modeled additional annual cost estimate per homeowner: $634, largest modeled factor: Flood
63% of homes built before 1980 (lead paint was banned for residential use in 1978)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
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: $634
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,937 housing units in Grant County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Health Outcomes vs National Average
CDC PLACES data for Grant County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Grant County ZIP codes
4 community water systems mapped to Grant County ZIP codes; EPA may list more systems serving the county.
Systems with the most violations in Grant County
1 water system with violations in EPA records.
All ZIP Codes in Grant County
9 ZIP codes tracked in Grant County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 57246 | Labolt | — | — | 1 | $90K |
| 2 | 57251 | Marvin | — | — | 1 | $116K |
| 3 | 57252 | Milbank | — | — | 1 | $185K |
| 4 | 57253 | Milbank | — | — | — | |
| 5 | 57256 | Ortley | — | — | 1 | — |
| 6 | 57259 | Revillo | — | — | 1 | — |
| 7 | 57264 | Stockholm | — | — | 1 | $106K |
| 8 | 57265 | Strandburg | — | — | 1 | $123K |
| 9 | 57269 | Twin Brooks | — | — | 1 | $412K |
Recommended Buyer Guides for Grant County
The guides listed here are chosen from this county's data, and the short note beside each one says why it made the list.
- Best Lead Paint Test Kits — 63% of homes built before 1980
- 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 Grant County, South Dakota
Overview
Grant County in South Dakota covers 9 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.
8 of 8 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
- 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.