KING COUNTY WATER DISTRICT #125
Seattle, WA · 21,904 served
KING COUNTY WATER DISTRICT #125 serves 21,904 people in Seattle, WA. It has 0 health-based violations in the last 5 years. TapGraded gives this system an A.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
1
Currently unaddressed
0
Overall score
98/100
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).
No lead sampling results on record for this period.
PFAS (UCMR5 occurrence data)
System details
- System type
- Community water system
- Water source
- Surface water purchased from another system
- Ownership
- Local government
- Service connections
- 7,267
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Is Seattle, WA tap water safe to drink?
KING COUNTY WATER DISTRICT #125 has 0 health-based violations in the last 5 years. TapGraded gives this system an A.
Does KING COUNTY WATER DISTRICT #125 have lead in its water?
No lead sampling results on record for this period.
Has PFAS been detected in KING COUNTY WATER DISTRICT #125'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