The City of Tracy sanitary sewer system (collections) is over 465 miles of underground pipes and tunnels, and 10 lift stations that transport wastewater (sewage) from houses, businesses, institutions (schools) and industries to the wastewater (sewer) treatment plant.   These pipes carry the wastewater to the treatment plant by gravity and through force mains where it is treated and either returned to a local water body (Old River) or reclaimed and used as recycled water for irrigation purposes.

Sewage is untreated or partially treated domestic, municipal, commercial and/or industrial waste (including sewage sludge), and any mixture of these wastes with inflow or infiltration of stormwater or groundwater, conveyed in a sanitary sewer system. A spill is a discharge of sewage from any portion of a sanitary sewer system due to a sanitary sewer system overflow, operational failure, and/or infrastructure failure. Sewage and its associated wastewater spilled from a sanitary sewer system may threaten public health, beneficial uses of waters of the State, and the environment.

For more information on Sanitary Sewer Systems General Order - click here

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