Valley County, Idaho
5 ZIP codes · Avg score 50/100 · Grade D · Updated
ZipCheckup grade for Valley County: D.
Several federal signals point to home-safety risks in this ZIP.
For households across Valley County's 5 ZIP codes, below-average water safety data and recurring health violations make local monitoring worthwhile - checking the specific system serving an address is the most actionable starting point.
How Valley County Compares
How Valley County Compares
Valley County scores 22 points below the Idaho state average (72/100) and 23 points below the national average (73/100).
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: Valley County, Idaho
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14 (asthma 10.7%, diabetes 13.1%)
Estimated additional annual cost per homeowner: $1,704, driven primarily by wildfire
44% of homes built before 1978 (lead paint era)
Violation History (2023–2024)
→ Stable trendEPA violation counts by year across Valley County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 8 violations. Past 5 years: 11 total (11 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
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: $1,704
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
12,491 housing units in Valley 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 Valley County
Remediation costs are relatively manageable for most homeowners in Valley 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 Valley County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Valley County
2 community water systems serving Valley County.
- D
- D
Systems with the most violations in Valley County
1 water system with recorded EPA violations.
- D
All ZIP Codes in Valley County
5 ZIP codes tracked in Valley County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 83638 | Mccall | 50 | D | 73 (12 health) | $685K |
| 2 | 83611 | Cascade | — | — | $405K | |
| 3 | 83615 | Donnelly | — | — | $689K | |
| 4 | 83635 | Lake Fork | — | — | — | |
| 5 | 83677 | Yellow Pine | — | — | — |
Recommended Buyer Guides for Valley County
Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.
- Best Water Filters for PFAS — PFAS detected in 1 ZIP code
- 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 HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Deep Dive Reports
Detailed analysis for Valley County, Idaho
Overview
Valley County in Idaho covers 5 tracked ZIP records with an average Home Safety Score of D (50/100) across 1 scored records.
1 of 1 ZIP code with a reported violation count in the available EPA record have recorded EPA violations. 12 health-based violations appear in the available health breakdown.
← 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.
What You Can Do
Valley County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.
Check for lead in your home
44% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.