Douglas County, Washington
7 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-07-16
ZipCheckup grade for Douglas: B.
This ZIP looks solid, with a few items worth a quick check.
Within Douglas County, all 7 tracked ZIP codes show above-average drinking water safety - violations are infrequent and typically minor.
How Douglas County Compares
How Douglas County Compares
Douglas County scores 4 points below the Washington state average (78/100) and 6 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-16
ZIP Code Risk Map
Water Quality Map: Douglas County, Washington
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.4 (asthma 10.6%, diabetes 11%)
Estimated additional annual cost per homeowner: $1,377, driven primarily by energy_code_gap
Infrastructure: 0.451% avg pipe failure probability, 43% of ZIPs at high risk
63.4% of homes built before 1978 (lead paint era)
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: $1,377
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
16,611 housing units in Douglas 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 Douglas County
Remediation costs are relatively manageable for most homeowners in Douglas 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 Douglas County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Douglas County
8 community water systems serving Douglas County.
- B
- B
- B
- C
- B
- B
Show all 8 water systems
- B
- B
11 total water systems serve Douglas County.
Systems with the most violations in Douglas County
4 water systems with recorded EPA violations.
- B
- B
- C
- B
All ZIP Codes in Douglas County
7 ZIP codes tracked in Douglas County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 98843 | Orondo | 83 | B | 1 | $646K |
| 2 | 98813 | Bridgeport | 80 | B | 1 | $165K |
| 3 | 98850 | Rock Island | 79 | B | 5 | $331K |
| 4 | 98858 | Waterville | 78 | B | 5 | $241K |
| 5 | 98802 | East Wenatchee | 73 | B | 11 | $432K |
| 6 | 98830 | Mansfield | 63 | C | 0 | $216K |
| 7 | 98845 | Palisades | 63 | C | 0 | $246K |
Recommended Buyer Guides for Douglas 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 — 63.4% of homes built before 1978
Deep Dive Reports
Detailed analysis for Douglas County, Washington
Overview
Douglas County in Washington covers 7 ZIP codes with an average Home Safety Score of B (74/100).
5 of 7 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Washington 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.