- EPA's UCMR 5 testing looked for 30 contaminants here and found none.
Public EPA test results
Can you drink Tukwila tap water? What EPA records show
EPA WA5389500 · serves King County, WA · about 36,298 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Tukwila Water Department (EPA WA5389500)
EPA data as of October 14, 2026. For Tukwila's main utility, Tukwila Water Department: We found no health-based violations in EPA's records for this system (WA5389500) since July 1, 2021, as of October 14, 2026. PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for Tukwila Water Department, as of October 14, 2026
We found no health-based violations in EPA's records for this system (WA5389500) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Tukwila Water Department (SDWIS). Data as of October 14, 2026.
This system buys water from Kent Water Department (WA5338150), Highline Water District (WA5340650), King County Water District #125 (WA5341998) and 2 more; see those systems' records.
Source: Kent Water Department (WA5338150) report, Highline Water District (WA5340650) report, King County Water District #125 (WA5341998) report, Renton City of (WA5371850) 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.
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