1940    Viable steelhead/salmon population (over 5,000) and other wildlife/natural resources

1945    County Bond issued passed for Matilija Dam construction at $682,000 projected cost

1947    June 18 – Construction begins

1948    March 14 – Matilija Dam completed – Report estimated 39 years (to 1997) before siltation would eliminate capacity – County sued engineers for cost overruns (but lost)

1949    Major fish kill behind Matilija Dam due to stagnant/hot water

1952    Reservoir filled

1959    Casitas Municipal Water District assumes responsibility for Matilija Dam under 50-year contract with VCWPD

1964    Bechtel Corp. Safety study condemns dam and presents removal as an option

1965    Bechtel Corp. estimates dam removal cost at $300,000 – County elects to notch dam (remove a section 30 feet deep and 285 feet wide) to reduce reservoir capacity to 65% to relieve strain and allow dam to remain in place

1973    Study on littoral processes (Bickel) highlights impact to beaches – USFS estimates sediment contribution of Matilija’s dammed watershed to be 116,000 cubic yards per year

1978    Dam notched second time (358 feet wide)

1998    County resolves to remove dam – Bureau of Reclamation begins Appraisal Study

2000    BOR Appraisal Study completed – Secretary of the Interior Bruce Babbitt visits for dam removal demonstration project – Matilija Coalition formed

2001    Initiated the Matilija Dam Ecosystem Restoration Study between the Ventura County Watershed Protection District and the U.S. Army Corps of Engineers

2004    USACE Feasibility Study completed – Ventura County Board of Supervisors approved the Final EIR/EIS – USACE Chief’s Report sent to Assistant Secretary of the Army

2005    Initiated the Design Phase of the Matilija Dam Ecosystem Restoration Project between the Ventura County Watershed Protection District and the US Army Corps of Engineers

2007    WRDA 2007 – Congressional Authorization – Fine Sediment controversy emerges

2009    End of 50-year contract between Casitas MWD and VCWPD

2010    Fine Sediment Study Group convened

2011    Fine Sediment Study completed – Technical Advisory Committee formed

2012    Technical Advisory Committee Scope of Work finalized

2013    Consultant Team selected – Final Statement of Work negotiated

2014    Board of Supervisors approves contract

2015    Draft Report presented to Design Oversight Group

2016    Design Oversight Group reaches consensus on new approach to sediment management in conjunction with Dam Removal – Matilija Funding Committee established – Resources Legacy Fund announces Open Rivers Fund commitment to Matilija Dam Removal

2017    California Department of Fish and Wildlife (CDFW)  awards $3.3 million to VCWPD to support MDERP 65% Design Planning Studies – National Fish and Wildlife Foundation awards $287,000 to VCWPD for Estuarine and Coastal Sediment Studies – – Thomas Fire starts (December)

2018    Thomas Fire ends (January) – Proposition 68 (June) approved, Proposition 3 (November) defeated – RLF awards $80,000 to acquire Santa Ana Boulevard Bridge easements and to complete property appraisals for Camino Cielo rights of way

2019    Supplemental EIR completed for Santa Ana Boulevard bridge replacement – CDFW awards $13.4 million to implement the Santa Ana Boulevard Bridge replacement project

2020    First semi-annual MDERP Community and Technical Updates (February) – Wildlife Conservation Board awards $5.025 million for the completion of final design plans for three levee projects and Matilija Dam removal – Notice of Preparation (September) for a Subsequent EIR focused on Matilija Dam removal, Camino Cielo Bridge replacement, and upgrades to the Live Oak Acres and Casitas Spring levees