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Wastewater Treatment

Fresno-Clovis Regional Wastewater Treatment Facility

The Fresno-Clovis Regional Wastewater Treatment Facility provides safe, efficient treatment and reclamation of domestic and industrial wastewater while preserving and protecting the environment for the entire Fresno-Clovis metropolitan area.

With capacity to treat 80 million gallons a day, the Facility receives on average 72 million gallons of wastewater a day enough to cover a football field to a height of more than 15 stories.

The wastewater is cleaned in two phases. Primary treatment physically removes sand, grit and larger solids by using screens, settling tanks and skimming devices. Secondary treatment removes contaminants dissolved in the wastewater through biological processes aided by air to encourage bacteria growth. The solids removed by these processes are treated anaerobically in digesters and dewatered through mechanical filter presses.

Water Reuse-Sewage Treatment Facility

With the City of Clovis expanding to develop new urban areas in the northwest, northeast and southeast, the construction of a Water Reuse-Sewage Treatment Facility (WR-STF) was approved. The proposed WR-STF is expected to ultimately treat 8.3 million gallons of wastewater a day. However, due to cost and operational considerations, the WR-STF will be constructed in phases to support the treatment of about 2.8 million gallons per day at the outset. The cost of the WR-STF is expected to be roughly $55 million. City Council members voted unanimously to select a 10-acre site on Ashlan Avenue between Thompson and McCall avenues.