City of Santa Rosa > Departments > Water > Water Reuse System > Laguna Treatment Plant

Laguna Treatment Plant


Laguna Treatment Plant: Committed to innovation and reliable, responsible stewardship

The Laguna Wastewater Treatment Plant takes wastewater from homes, businesses and industry located within the Santa Rosa Subregional Water Reuse System, which serves the cities of Santa Rosa, Rohnert Park, Sebastopol and Cotati. Over 500 miles of underground pipes bring wastewater to the treatment plant where water goes through three stages of treatment prior to disinfection, storage, and reclamation.

Aerial of the Laguna Treatment PlantSince its inception in 1968, the facility has increased its volume of treated recycled water from 2 million gallons a day (mgd) to 21 mgd.

The recycled water that leaves the Laguna Wastewater Treatment Plant is a high quality, tertiary-treated water that is safe for many reuse options.

Go to Recycled Water Treatment Process Steps
Laguna Wastewater Treatment Plant Tours