The Los Angeles Regional Water Quality Control Board (Water Board) is continuing to refine the proposed Commercial, Industrial, and Institutional (CII) Stormwater Permit, a regional permit aimed at reducing stormwater pollution from large, privately owned commercial, industrial, and institutional sites in the Dominguez Channel / Los Angeles & Long Beach Inner Harbor or the Los Cerritos Channel / Alamitos Bay watersheds in Los Angeles County.

What you Need to Know: Image 1: California State Water Boards, Los Angeles Region 4, CII Permit Big changes are coming for southern California businesses with more than 5 acres of impervious area. A new draft NPDES storm water permit (CII Permit) has been released for comment that applies to Commercial, Industrial, and Institutional (CII) sites in the following two Southern CA watersheds: Dominguez Channel/Greater Los Angeles and Long Beach Harbor Watershed Los Cerritos Chan