- EPA's UCMR 5 testing looked for 30 contaminants here and found none.
Public EPA test results
What EPA records show for North City Water District
EPA system ID WA5339600 · serves King County, WA · about 32,847 people (EPA records)
Here's what EPA has on file for this water system: its testing for newer contaminants like PFAS (UCMR 5), lead testing and violations. It's not a test of your tap, and there's no Water Score here.
Public EPA test results
North City Water District (EPA WA5339600)
What EPA records show for North City Water District, as of October 14, 2026
We found no health-standard violations in EPA's records for this system (WA5339600) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for North City Water District (SDWIS). Data as of October 14, 2026.
This system buys water from Mountlake Terrace City of (WA5357250) and Seattle Public Utilities (WA5377050); see those systems' records.
Source: Mountlake Terrace City of (WA5357250) report, Seattle Public Utilities (WA5377050) report. Data as of October 14, 2026.
EPA's UCMR 5 testing looked for 30 contaminants here and found none.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does North City Water District use chloramine?
We didn't find chloramine in North City Water District's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)