Payette County, Idaho
3 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-06-04
Compared to top-scoring counties, Payette County's 3 ZIP codes land in the middle tier — some meet standards cleanly, others carry documented violations, and the gap between the best and worst areas is wider than average.
How Payette County Compares
How Payette County Compares
Payette County scores 1 points above the Idaho state average (66/100) and 1 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
Key Risk Factors
Health risk index: 13.2 (asthma 10.9%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $1,383, driven primarily by energy_code_gap
Infrastructure: 0.42% avg pipe failure probability, 67% of ZIPs at high risk
60.3% of homes built before 1978 (lead paint era)
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Payette County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 9 violations. Past 5 years: 19 total (19 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: $1,383
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
9,364 housing units in Payette 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 Payette County
Remediation costs are relatively manageable for most homeowners in Payette 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 Payette 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 Payette County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Fruitland | 7,135 | 21 |
| 2 | City of New Plymouth | 1,600 | 11 |
| 3 | Terrace Lakes Water Company | 475 | 11 |
| 4 | Loma Linda Water Corporation | 70 | 9 |
| 5 | City of Payette | 8,127 | 1 |
6 total water systems serve Payette County.
All ZIP Codes in Payette County
3 ZIP codes tracked in Payette County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 83661 | Payette | 76 | B | 1 | $273K |
| 2 | 83655 | New Plymouth | 67 | C | 11 (4 health) | $346K |
| 3 | 83619 | Fruitland | 58 | C | 9 (5 health) | $306K |
Recommended Buyer Guides for Payette County
Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Lead Paint Test Kits — 60.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Overview
Payette County in Idaho covers 3 ZIP codes with an average Home Safety Score of C (67/100).
3 of 3 ZIP codes have recorded EPA violations. 9 health-based violations have been documented.
← 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.