Wetlands ProcessWetlands

The Stockton Regional Wastewater Control Facility includes wetlands areas totaling 135 acres. 

  • As part of the treatment process, the wetlands area allows wastewater to flow through vegetative material to remove material without use of chemicals. 
  • Two ponds with varying water levels aid in settling materials and removing turbidity, some metals, and biochemical oxygen demand through aerobic, anoxic, and anaerobic reactions. Each year a cycle of vegetation decay and regrowth renews the process. 



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This City of Stockton web page last reviewed on --- 2/27/2018