Seismic retrofit, repairs planned at regional wastewater treatment plant

Paulina Pineda, PRESS DEMOCRAT

Improvements are planned at the regional Laguna Wastewater Treatment Plant serving Santa Rosa and other cities to reduce risks of failure during an earthquake and repair other damage at the aging facility.

The repairs are planned within the headworks facility, the plant’s so-called workhorse where raw sewage is first collected and pretreated before it flows through the rest of the facility.

A city-funded study of the facility’s seismic loading and structural condition found significant deficiencies.

Gases emitted during the treatment process also have led concrete and metallic components of the facility to crack and corrode, said Tetyana Mokvyts, a water reuse engineer with Santa Rosa Water.

Read more at https://www.pressdemocrat.com/article/news/santa-rosa-laguna-wastewater-plant-repairs/