Arroyo Seco Foundation, et al. v. County of Los Angeles, et al., BS171826

Tentative decision on petition for writ of mandate: granted

Petitioners Arroyo Seco Foundation and Pasadena Audobon Society seek a writ of mandate to compel Respondents County of Los Angeles, County of Los Angeles Board of Supervisors (“Board”), County of Los Angeles Department of Public Works, and Los Angeles County Flood Control District (collectively, “District”) to set aside the November 7, 2017 certification of the Recirculated Portions of the Final Environmental Impact Report (“RFEIR”) for the Devil’s Gate Reservoir Sediment Removal and Management Project (“Project”), and all Project approvals.

The court has read and considered the moving papers, opposition, and reply, and renders the following tentative decision.

A. Statement of the Case

1. The Petition

Petitioners commenced this proceeding on December 7, 2017. The operative pleading is the verified First Amended Petition (“FAP”) and Complaint for In