TapGraded
C

NORTHSHORE UTILITY DISTRICT

Kenmore, WA · 99,789 served

NORTHSHORE UTILITY DISTRICT serves 99,789 people in Kenmore, WA. It has 0 health-based violations in the last 5 years. TapGraded gives this system a C.

Score breakdown

Health-based violations (5y)

0

Monitoring violations (5y)

0

Currently unaddressed

0

Overall score

75/100

Violation history (last 5 years)

No violations on record.

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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).

90th-percentile lead sample 36 ppb over limit
0 ppb EPA action level: 15 ppb

PFAS (UCMR5 occurrence data)

PFOS (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt
PFOA (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt
PFNA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFHxS (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
HFPO-DA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt

System details

System type
Community water system
Water source
Surface water purchased from another system
Ownership
Local government
Service connections
32,644

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Frequently asked questions

Is Kenmore, WA tap water safe to drink?

NORTHSHORE UTILITY DISTRICT has 0 health-based violations in the last 5 years. TapGraded gives this system a C.

Does NORTHSHORE UTILITY DISTRICT have lead in its water?

The most recent 90th-percentile lead sample is 36 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in NORTHSHORE UTILITY DISTRICT'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