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WRF Project Facts

  • The existing WWTP, located at 160 Atascadero Road in Morro Bay, was originally constructed in 1953 and upgraded in 1964, 1982, and 1984.
  • The existing WWTP was designed to treat an average dry weather flow of 2.06 MGD through a primary process (solids removal). The WWTP’s secondary (biological) treatment system can treat up to a nominal capacity of 1.0 MGD.
  • The existing WWTP is jointly owned and operated between the City of Morro Bay and Cayucos Sanitary District under a Joint Powers Agreement (JPA) and currently serves a combined population of approximately 14,000 people.
  • The existing WWTP is operated under National Pollution Discharge Permit (NPDES) No. CA007881.
  • The existing WWTP has operated under a 301(h) modified discharge permit from full secondary treatment requirements since its last upgrade in 1984.
  • A letter issued by the Executive Officer of the Central Coast Regional Water Quality Control Board in February 2015 states that the agency expects a new facility to be fully operational by 2021.
  • The new WRF will produce tertiary treated (filtered), disinfected effluent


Contact Info

John Rickenbach
WRF Deputy Program Manager
595 Harbor Street
Morro Bay, CA 93442
805-610-1109
jrickenbach@morrobayca.gov

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