Case Study: CST Handles Combined Sewer Pre-Treatment For City Of San Francisco

The concept of pre-treatment to combined sewer applications is gaining significant attention across the country as a way to mitigate the downstream wastewater treatment expenses. The San Francisco Department of Public Works required a cost-effective solution to pre-treat the downstream lift station system from trash, debris, vegetative material, and primarily sediment, which was destroying grinder pumps and occluding the downstream conveyance pipes at a huge cost to the city.