Government
City Utilities
Water Utility
The mission of the Water Utility is to operate and maintain a water distribution system that will provide residential, commercial, and industrial customers with high water quality, adequate capacity and pressure, at economical costs. The system distributes, on an annual basis, approximately 740 million gallons of water through 41 miles of water mains through approximately 2,100 meters. The Water Utility maintains relationships with adjoining jurisdictions, cities, water districts, sewer districts, and the Washington State Department of Health. Additional service is provided with reclaimed water along the Interurban Avenue South Corridor.
Sewer Utility
The mission of the Sewer Utility is to operate and maintain a sewer collection system that will ensure the health, safety, and welfare of the citizens and visitors of Tukwila. The Sewer Utility is responsible for the maintenance of approximately 37 miles of gravity sewer main and the operation and maintenance of 12 lift stations and force mains. These lift stations pump approximately 60% of all sewage in the City (approximately 460 million gallons). The Sewer Utility maintains relationships with adjoining jurisdictions, cities, water districts, sewer districts, King County Department of Natural Resources & Parks, Wastewater Treatment Division, State Department of Ecology, State Department of Health, and King County Health Department.
Surface Water Utility
The surface water utility consists of 6 pump stations, 6,330 catch basins, 116 miles of stormwater collection and conveyance system, 119 detention basins as well as 69 outfalls that discharge to the Green / Duwamish river system. Stormwater management serves to protect infrastructure and property from flood-related damage and prevent pollution from entering surface waters.