Is Astoria, SD Safe to Buy? Home Safety Score 50/100
Score 50/100 · Risk: moderate · Water Grade D · Updated 2026-05-03
Astoria has moderate risk. Some factors warrant attention during the home buying process.
Data: EPA SDWIS, FEMA NFIP, Census ACS, EPA Radon Zones Last verified: 2026-05-03
What is a home safety score?
The home safety score (0-100) combines multiple environmental risk factors into a single number: water quality grade, lead contamination levels, flood zone exposure, radon risk, and air quality. A higher score means lower overall risk. The score helps homebuyers compare neighborhoods at a glance. Astoria scores 50/100 with a "moderate" risk level.
Per-ZIP Home Safety Scores
Safety scores vary across Astoria's 1 ZIP codes.
| ZIP Code | Score | Grade | |
|---|---|---|---|
| 57213 | 50 | D | View report → |
Home Safety Overview
Astoria, South Dakota has moderate risk for homebuyers. The average home safety score is 50/100 across 1 ZIP codes. Some risk factors warrant attention during the home buying process.
Safety Score Card
A composite view of Astoria's key risk indicators:
| Risk Factor | Value | Assessment |
|---|---|---|
| Water Quality | Grade D (50/100) | Elevated risk |
| Lead Risk | Testing pending | Low risk |
| Flood Risk | 0% in flood zones | Low risk |
| Radon | Zone 1 (High) | Elevated risk |
| Air Quality | AQI 59 (Moderate) | Moderate risk |
Astoria vs. Nearby South Dakota Cities
How Astoria's overall risk compares to similar cities in South Dakota:
| City | Water Grade | Lead ZIPs Over Limit | Flood Claims | Population |
|---|---|---|---|---|
| Astoria | D | 0 | 0 | 6,200 |
| Toronto | C | 0 | 0 | 6,200 |
| Madison | C | 0 | 226 | 6,191 |
| Nunda | D | 0 | 1 | 6,191 |
Homebuyer Safety Checklist for Astoria
Before purchasing a home in Astoria, South Dakota, complete these checks:
Water Quality
- Request the latest Consumer Confidence Report (CCR) from the water utility
- Test tap water for lead, bacteria, and nitrates ($20-$50 for DIY kit)
Radon
- Conduct a radon test ($15-$30 for short-term kit, $150-$300 for professional)
- Astoria is in Radon Zone 1 (High risk) — testing is strongly recommended
Flood Risk
- Check the property's FEMA flood zone at msc.fema.gov
- Ask about flood history and past insurance claims
Lead Paint & Pipes
- For homes built before 1978: request lead paint disclosure
- For homes built before 1986: inspect plumbing for lead solder and pipes
- 90% of Astoria homes built before 1986 — pipe inspection recommended
General
- Check for carbon monoxide detectors on every level
- Inspect for visible mold, water stains, or musty odors
- Verify the home's connection to a regulated public water system
Data Sources
- Water quality: EPA SDWIS
- Lead: EPA Lead and Copper Rule
- Flood: FEMA NFIP
- Radon: EPA Radon Zones
- Air quality: EPA AirNow
- Home values: U.S. Census Bureau ACS B25077
- Remediation costs: National cost model (EPA, Census, FEMA data)
Updated daily.
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