JB Latham Treatment Plant

jb latham infrastructure image 2

  • Location: Dana Point; adjacent to SOCWA headquarters
  • Type of Facility: Conventional activated sludge treatment facility
  • Total Capacity: 13 million gallons per day
  • Average Capacity Used Today: Approx. 6 million gallons per day
  • Year Built: 1964

Interesting Facts

  • The JB Latham facility produces its own energy
  • Approximately 40 percent of the power needs are produced on-site from methane gas that is a byproduct of the treatment process
  • SOCWA was awarded approximately $1 million in grant funding for on-site energy production
  • Hundreds of students and interested residents tour the facility each year
  • JB Latham was awarded best medium-sized plant in the state by the California Water Environment Association in 2017

Treatment Processes

  • Screening
  • Grit removal
  • Primary clarification
  • Secondary treatment
  • Secondary clarification
  • Anaerobic digestion
  • Solids dewatering

Address: 34156 Del Obispo St, Dana Point, CA 92629