Jay Ziegler

Delta Watermaster
State Water Resources Control Board

On April 3, 2023, Jay Ziegler was appointed to a four-year term as Delta Watermaster for the State Water Resources Control Board.

Prior to being appointed, Mr. Ziegler was the Director of External Affairs and Policy for The Nature Conservancy (TNC). During his 12 years at the conservancy, he led the agency’s policy engagements on water, climate strategies, biodiversity protection and environmental funding initiatives. Prior to joining TNC, he was a partner in the interdisciplinary public affairs firm, Ziegler Associates, where he focused on land use, water policy, renewable energy, and permitting and mitigation matters. Previously, he served in multiple roles at state and federal natural resource agencies, including intergovernmental affairs with Interior Secretary Bruce Babbitt, where he focused on endangered species, public lands, water, and natural resource management issues across the West. 

The position of Delta Watermaster was created by the 2009 Delta Reform Act. The Delta Watermaster is an independent office of the State of California reporting jointly to the State Water Resources Control Board and the Delta Stewardship Council. The Watermaster has statutory responsibility for administering water rights within the Sacramento/San Joaquin River Delta and the Suisun Marsh. Additionally, the Delta Watermaster advises the Board and the Council on matters relating to water rights, water quality, habitat and land use across this vital estuary, agricultural and recreational area, and the hub of California’s water conveyance infrastructure.

He is a graduate of the University of California, Davis, serves on several non-profit boards, and resides in Davis, California with his wife, Carri.