Boundary County, Idaho
5 ZIP codes · Home Safety Score unavailable · 0 of 5 tracked ZIP records scored · Updated
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Boundary County, Idaho
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.9 (asthma 11.2%, diabetes 12.6%)
Estimated additional annual cost per homeowner: $580, driven primarily by wildfire
41% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
↑ Worsening trendEPA violation counts by year across Boundary County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 5 violations. Past 5 years: 16 total (16 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.
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
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $580
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,390 housing units in Boundary 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 Boundary County
Remediation costs are relatively manageable for most homeowners in Boundary 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 Boundary County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Boundary County
1 community water system serving Boundary County.
All ZIP Codes in Boundary County
5 ZIP codes tracked in Boundary County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 83805 | Bonners Ferry | — | — | 0 | $345K |
| 2 | 83826 | Eastport | — | — | — | |
| 3 | 83845 | Moyie Springs | — | — | 0 | $358K |
| 4 | 83847 | Naples | — | — | $258K | |
| 5 | 83853 | Porthill | — | — | — |
Recommended Buyer Guides for Boundary County
Retailer arrangements don't shape what appears here - the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Overview
Boundary County in Idaho covers 5 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.
The available EPA record reports 0 violations for 2 ZIP codes with a reported violation count.
← Back to Idaho Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.