
This Seattle Public Utilities water quality report covers routine Total Coliform Rule monitoring at Seattle-Tacoma International Airport (Sea-Tac) for March 2023. A total of 52 water samples were collected from airport locations including the A Concourse, Rental Car Facility, Utility Tunnel, and satellite terminals, with all samples testing absent for total coliform and E. coli bacteria. The system met all regulatory standards, achieving 100% detectable chlorine levels and an average chlorine residual of 1.01 mg/L across the monitoring period.Open full document
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Monthly water quality monitoring report for Port of Seattle/Sea-Tac Airport covering March 2023. The report documents 52 routine water samples collected from 11 sites including terminals, satellites, and utility facilities, testing for total coliform, E-coli, chlorine residual, and temperature. All samples returned absent results for total coliform and E-coli, with 100% detectable chlorine and an average residual of 1.01 mg/L.