PORTLAND WATER BUREAU
Portland, OR · 666,200 served
PORTLAND WATER BUREAU serves 666,200 people in Portland, OR. It has 0 health-based violations in the last 5 years. TapGraded gives this system a B.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
1
Currently unaddressed
1
Overall score
88/100
Violation history (last 5 years)
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Lead (Lead and Copper Rule)
EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).
PFAS (UCMR5 occurrence data)
System details
- System type
- Community water system
- Water source
- Surface water
- Ownership
- Local government
- Service connections
- 187,700
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Is Portland, OR tap water safe to drink?
PORTLAND WATER BUREAU has 0 health-based violations in the last 5 years. TapGraded gives this system a B.
Does PORTLAND WATER BUREAU have lead in its water?
The most recent 90th-percentile lead sample is 4.9 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in PORTLAND WATER BUREAU's water?
This system was tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.
Source: EPA SDWIS/ECHO · Data as of 2026Q2