PORTLAND WATER BUREAU Water Quality Report
Population
666,200
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 3
violations recorded
C
Fair
Safety Grade
3 violations in the past 5 years, including 1 health-based
System Details
- PWSID
- OR4100657
- Population Served
- 666,200
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Oregon
- EPA Region
- 10
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 0800 | ✕ Health-Based | 1 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 3 |
Violation History
2022
3
2017
1
Total violations on record: 4
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade C
Avg: B-C
4violations total
14% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 100× more people than the national average.