Juneau County, Alaska
8 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-06-03
Juneau County earns a high water safety grade — 8 ZIP codes tracked, virtually all compliant.
How Juneau County Compares
How Juneau County Compares
Juneau County scores 3 points above the Alaska state average (75/100) and 10 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Juneau County, Alaska
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.9 (asthma 10.2%, diabetes 8.9%)
Estimated additional annual cost per homeowner: $785, driven primarily by sea_level
Infrastructure: 0.393% avg pipe failure probability, 14% of ZIPs at high risk
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: $785
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Juneau County
Remediation costs are relatively manageable for most homeowners in Juneau 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 Juneau County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
All ZIP Codes in Juneau County
8 ZIP codes tracked in Juneau County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 99802 | Juneau | 87 | A | 7 (1 health) | — |
| 2 | 99803 | Juneau | 87 | A | 7 (1 health) | — |
| 3 | 99811 | Juneau | 87 | A | 7 (1 health) | — |
| 4 | 99812 | Juneau | 87 | A | 7 (1 health) | — |
| 5 | 99850 | Juneau | 87 | A | 7 (1 health) | — |
| 6 | 99801 | Juneau | 76 | B | 7 (1 health) | $433K |
| 7 | 99824 | Douglas | 60 | C | 0 | $422K |
| 8 | 99821 | Auke Bay | 50 | D | 0 | — |
Recommended Buyer Guides for Juneau County
Filtered against federal data, fitted to local risks.
- 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
Deep Dive Reports
Detailed analysis for Juneau County, Alaska
Overview
Juneau County in Alaska covers 8 ZIP codes with an average Home Safety Score of B (78/100).
6 of 8 ZIP codes have recorded EPA violations. 6 health-based violations have been documented.
← Back to Alaska 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.