Oregon
Water Quality Report
83 Good
Average Score
83/100
Water Systems
234
Population
3.7M
Violations
387 45 unresolved
Score Distribution
48 A
23 B
5 C
3 D
1 F
Top Contaminant Violations
| Contaminant | Violations |
|---|---|
| Lead (90th percentile) | 1 |
Lowest Scoring Water Systems
43
Klamath Falls Water Dept F
OR4100443 Klamath Falls, OR 40,475 served
47
Youngs River Lewis & Clark Wd D
OR4100062 Astoria, OR 2,580 served
53
Wickiup Water District D
OR4100063 Astoria, OR 1,630 served
53
Hiland Wc - Shady Cove D
OR4101520 Newberg, OR 1,000 served
63
Umpqua Basin Water Assoc C
OR4100719 Roseburg, OR 9,499 served
Counties in Oregon
Cities in Oregon
View all 181 cities →Popular City Comparisons in Oregon
Quickly compare major cities in Oregon by water quality score and grade.
Frequently Asked Questions
Is tap water in Oregon safe to drink?
Oregon has an average WaterQ score of 83/100 across 234 public water systems. Safety can vary by city and system, so check your local report for recent violations and contaminants.
How many water systems are in Oregon?
WaterQ currently tracks 234 public water systems in Oregon.
Where can I compare cities in Oregon?
Use the city list below to open detailed reports, or visit the compare tool to benchmark two cities side-by-side on score, grade, and system coverage.