Turner County, South Dakota
5 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-04
Spanning 5 ZIP codes, Turner 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 Turner County Compares
How Turner County Compares
Turner County scores 6 points above the South Dakota state average (60/100) and 2 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Turner 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: 13.1 (asthma 9.9%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $648, driven primarily by water_lead
Infrastructure: 0.404% avg pipe failure probability, 60% of ZIPs at high risk
72.6% 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: $648
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,881 housing units in Turner 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 Turner County
Remediation costs are relatively manageable for most homeowners in Turner 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 Turner County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Turner County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | South Lincoln Rural Water System | 5,250 | 3 |
| 2 | Tm Rural Water District | 4,250 | 3 |
| 3 | By Water District | 13,320 | 2 |
| 4 | Viborg | 814 | 2 |
| 5 | Chancellor | 266 | 1 |
9 total water systems serve Turner County.
All ZIP Codes in Turner County
5 ZIP codes tracked in Turner County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 57036 | Hurley | 70 | B | 0 | $145K |
| 2 | 57053 | Parker | 70 | B | 0 | $255K |
| 3 | 57070 | Viborg | 69 | C | 2 (1 health) | $202K |
| 4 | 57015 | Chancellor | 64 | C | 1 | $303K |
| 5 | 57014 | Centerville | 56 | C | 0 | $217K |
Recommended Buyer Guides for Turner County
Four sources — EPA, NSF, FEMA, CDC — drive the match.
- Best Lead Paint Test Kits — 72.6% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Turner County, South Dakota
Overview
Turner County in South Dakota covers 5 ZIP codes with an average Home Safety Score of C (66/100).
2 of 5 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← 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.