Stanley County, South Dakota
1 ZIP code · Avg score 60/100 · Grade C · Updated 2026-06-03
Spanning 1 ZIP code, Stanley County lands near the national median for water safety — compliance results are mixed, and the county's middle-grade standing reflects genuine variability rather than a single systemic problem.
How Stanley County Compares
How Stanley County Compares
Stanley County scores 0 points above the South Dakota state average (60/100) and 8 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 12.8 (asthma 9.8%, diabetes 11.1%)
Estimated additional annual cost per homeowner: $3,190, driven primarily by flood
Infrastructure: 0.28% avg pipe failure probability
45% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $3,190
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
1,369 housing units in Stanley County
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 Stanley County
Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.
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 Stanley County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
All ZIP Codes in Stanley County
1 ZIP code tracked in Stanley County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 57532 | Fort Pierre | 60 | C | 0 | $175K |
Recommended Buyer Guides for Stanley County
Four sources — EPA, NSF, FEMA, CDC — drive the match.
- 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
Overview
Stanley County in South Dakota covers 1 ZIP code with an average Home Safety Score of C (60/100).
No EPA violations recorded across any tracked ZIP codes in Stanley County.
← Back to South Dakota water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.