Adams County, Idaho
5 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-06-03
Across all 5 ZIP codes in Adams County, tap water consistently meets or exceeds federal safety standards.
How Adams County Compares
How Adams County Compares
Adams County scores 8 points above the Idaho state average (66/100) and 6 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Adams County, Idaho
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.7 (asthma 10.8%, diabetes 13.7%)
Estimated additional annual cost per homeowner: $1,510, driven primarily by wildfire
Infrastructure: 0.335% avg pipe failure probability, 25% of ZIPs at high risk
49% of homes built before 1978 (lead paint era)
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Adams County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 8 violations. Past 5 years: 15 total (15 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: $1,510
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,628 housing units in Adams 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 Adams County
Remediation costs are relatively manageable for most homeowners in Adams 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 Adams 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 Adams County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Goose Creek Rentals | 26 | 4 |
| 2 | Meadow Creek Property Owners Assn Inc. | 800 | 3 |
| 3 | City of New Meadows | 582 | 3 |
| 4 | City of Council | 900 | 0 |
| 5 | MCCALL CITY OF | 4,423 | 0 |
All ZIP Codes in Adams County
5 ZIP codes tracked in Adams County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 83654 | New Meadows | 89 | A | 3 | $465K |
| 2 | 83612 | Council | 87 | A | 0 | $260K |
| 3 | 83635 | Lake Fork | 66 | C | 0 | — |
| 4 | 83643 | Mesa | 66 | C | 0 | $473K |
| 5 | 83632 | Indian Valley | 60 | C | 4 | $309K |
Recommended Buyer Guides for Adams County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Deep Dive Reports
Detailed analysis for Adams County, Idaho
Overview
Adams County in Idaho covers 5 ZIP codes with an average Home Safety Score of B (74/100).
2 of 5 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Idaho 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.