Beadle County, South Dakota
7 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-06-03
Beadle County: 7 ZIP codes, mid-range safety grade.
How Beadle County Compares
How Beadle County Compares
Beadle County scores 3 points below the South Dakota state average (60/100) and 11 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Beadle 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: 13.8 (asthma 10%, diabetes 13.4%)
Estimated additional annual cost per homeowner: $493, driven primarily by flood
Infrastructure: 0.377% avg pipe failure probability, 29% of ZIPs at high risk
67% of homes built before 1978 (lead paint era)
Violation History (2021–2022)
→ Stable trendEPA violation counts by year across Beadle County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 2 violations. Past 5 years: 3 total (3 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $493
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,515 housing units in Beadle 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 Beadle County
Remediation costs are relatively manageable for most homeowners in Beadle 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 Beadle 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 Beadle County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Mid-dakota Rural Water | 11,833 | 5 |
| 2 | Huron | 14,263 | 4 |
| 3 | Huron Colony | 95 | 4 |
| 4 | Riverside Colony | 80 | 4 |
| 5 | Wessington | 170 | 2 |
11 total water systems serve Beadle County.
All ZIP Codes in Beadle County
7 ZIP codes tracked in Beadle County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 57384 | Wolsey | 66 | C | 0 | $162K |
| 2 | 57381 | Wessington | 65 | C | 2 (1 health) | $114K |
| 3 | 57353 | Iroquois | 63 | C | 1 | $159K |
| 4 | 57350 | Huron | 62 | C | 2 (1 health) | $180K |
| 5 | 57399 | Huron | 62 | C | 2 (1 health) | — |
| 6 | 57348 | Hitchcock | 40 | D | 0 | $111K |
| 7 | 57379 | Virgil | 40 | D | 0 | $164K |
Recommended Buyer Guides for Beadle County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 67% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Beadle County, South Dakota
Overview
Beadle County in South Dakota covers 7 ZIP codes with an average Home Safety Score of C (57/100).
4 of 7 ZIP codes have recorded EPA violations. 3 health-based violations 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.