Jones County, South Dakota
3 ZIP codes · Avg score 63/100 · Grade C · Updated 2026-06-04
Water monitoring across Jones County's 3 ZIP codes paints a mid-range picture — solid compliance in some zones, documented concerns in others; most violations on record are concentrated in specific prior years rather than spread evenly across the full compliance history, and the overall county grade has held steady in the middle tier without major shifts in either direction.
How Jones County Compares
How Jones County Compares
Jones County scores 3 points above the South Dakota state average (60/100) and 5 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
Key Risk Factors
Health risk index: 15.1 (asthma 10.1%, diabetes 14.7%)
Estimated additional annual cost per homeowner: $683, driven primarily by wildfire
Infrastructure: 0.377% avg pipe failure probability
70.7% 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: $683
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
474 housing units in Jones 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 Jones County
Remediation costs are relatively manageable for most homeowners in Jones 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 Jones County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 3 systems in Jones County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | WR/LJ - MNI WICONI | 4,720 | 0 |
| 2 | Wr/lj - North Stanley County | 2,492 | 0 |
| 3 | Murdo | 488 | 0 |
All ZIP Codes in Jones County
3 ZIP codes tracked in Jones County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 57559 | Murdo | 83 | B | 0 | $124K |
| 2 | 57531 | Draper | 53 | D | 0 | $57K |
| 3 | 57562 | Okaton | 53 | D | 0 | — |
Recommended Buyer Guides for Jones County
Below: editorial picks, no sponsored placements.
- Best Lead Paint Test Kits — 70.7% of homes built before 1978
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Overview
Jones County in South Dakota covers 3 ZIP codes with an average Home Safety Score of C (63/100).
No EPA violations recorded across any tracked ZIP codes in Jones 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.