Douglas County, Oregon
27 ZIP codes · Avg score 81/100 · Grade B · Updated 2026-06-03
For households in Douglas County, the 27 ZIP codes on record show consistently safe tap water.
How Douglas County Compares
How Douglas County Compares
Douglas County scores 3 points above the Oregon state average (78/100) and 13 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Douglas County, Oregon
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.2 (asthma 12.8%, diabetes 14.3%)
Estimated additional annual cost per homeowner: $1,419, driven primarily by energy_code_gap
Infrastructure: 0.382% avg pipe failure probability, 37% of ZIPs at high risk
64.6% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
↑ Worsening trendEPA violation counts by year across Douglas County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 13 violations. Past 5 years: 29 total (29 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
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: $1,419
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
50,489 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 with Most Violations
Top 5 systems in Douglas County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Milo Academy | 124 | 49 |
| 2 | Umpqua Basin Water Assoc | 9,499 | 44 |
| 3 | CANYONVILLE, CITY OF | 1,662 | 40 |
| 4 | Green Area Water & Sanitary Authority | 7,000 | 25 |
| 5 | City of Riddle, | 1,224 | 25 |
31 total water systems serve Douglas County.
All ZIP Codes in Douglas County
27 ZIP codes tracked in Douglas County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 97447 | Idleyld Park | 99 | A | 0 | $377K |
| 2 | 97442 | Glendale | 98 | A | 2 | $291K |
| 3 | 97443 | Glide | 94 | A | 2 | $332K |
| 4 | 97462 | Oakland | 94 | A | 24 (1 health) | $378K |
| 5 | 97481 | Tenmile | 94 | A | 9 (1 health) | $203K |
| 6 | 97499 | Yoncalla | 94 | A | 12 (1 health) | $288K |
| 7 | 97436 | Elkton | 93 | A | 4 | $331K |
| 8 | 97429 | Days Creek | 91 | A | 49 (4 health) | $312K |
| 9 | 97417 | Canyonville | 88 | A | 11 | $218K |
| 10 | 97457 | Myrtle Creek | 88 | A | 4 | $242K |
| 11 | 97467 | Reedsport | 88 | A | 15 (4 health) | $224K |
| 12 | 97496 | Winston | 85 | A | 1 | $237K |
| 13 | 97479 | Sutherlin | 82 | B | 10 | $282K |
| 14 | 97470 | Roseburg | 81 | B | 10 (1 health) | $247K |
| 15 | 97471 | Roseburg | 81 | B | 10 (1 health) | $326K |
| 16 | 97410 | Azalea | 73 | B | 0 | $535K |
| 17 | 97432 | Dillard | 73 | B | 0 | — |
| 18 | 97441 | Gardiner | 73 | B | 0 | — |
| 19 | 97486 | Umpqua | 73 | B | 0 | — |
| 20 | 97495 | Winchester | 73 | B | 0 | $440K |
| 21 | 97497 | Wolf Creek | 73 | B | 0 | $303K |
| 22 | 97435 | Drain | 71 | B | 14 (2 health) | $271K |
| 23 | 97416 | Camas Valley | 66 | C | 0 | $264K |
| 24 | 97484 | Tiller | 66 | C | 0 | $303K |
| 25 | 97494 | Wilbur | 66 | C | 0 | — |
| 26 | 97469 | Riddle | 65 | C | 25 | $238K |
| 27 | 97473 | Scottsburg | 65 | C | 0 | $372K |
Recommended Buyer Guides for Douglas County
Retailer arrangements don't shape what appears here — the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Lead Paint Test Kits — 64.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Douglas County, Oregon
Overview
Douglas County in Oregon covers 27 ZIP codes with an average Home Safety Score of B (81/100).
16 of 27 ZIP codes have recorded EPA violations. 15 health-based violations have been documented.
← Back to Oregon 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.