Connecting Communities Through Nature

Established in 2003, the Watershed Conservation Authority (WCA) is a local public entity of the State of California exercising joint powers of the San Gabriel and Lower Los Angeles Rivers and Mountains Conservancy (RMC) and the Los Angeles County Flood Control District. The WCA is funded primarily by grants and receives limited funding from JPA Partner contributions and lease revenues for operational expenses.

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Watershed Conservation Authority Joint Exercise of Powers Agreement

Watershed Conservation Authority and Joint Exercise of Powers Agreement Amendment 




WCA’s Governing Board consist of seven voting members and one non-voting member.

Current board members and their designees include:

Three Members Appointed by RMC Governing Board
Dan Arrighi
Roberto Uranga
Frank Colonna

Four Members of Board of Supervisors of the Los Angeles County Flood Control District
Hilda Solis, Supervisor, First District
          • Designee: Vincent Chang
Mark Ridley-Thomas, Supervisor, Second District
          • Designee: Karly Katona
          • Designee: Lacey Johnson
Janice Hahn, Supervisor, Fourth District
          • Designee: Herlinda Chico. Vice Chair
Kathryn Barger, Supervisor, Fifth District
          • Designee: Vacant Chair

Director Los Angeles County Department of Public Works non-voting, ex officio member
Mark Pestrella
          • Designee: Julian Juarez
          • Designee: Keith Lilley