Log In

Substructure Maps

Substructure Maps Grid

A limited number of Substructure maps in “pdf” format are available via GIS polygons representing grids containing URL links. Across various areas of Los Angeles County, paper maps were created by the Department of Public Works (DPW) and its predecessors to show underground utilities such as cable TV, […]

Los Angeles County Sanitary Sewers

The Consolidated Sewer Maintenance District (CSMD) of Los Angeles County is administered by the County of Los Angeles Department of Public Works (DPW).

For the list of cities served, operational maps, or for more information about the CSMD, please visit the Los Angeles County Sewer Maintenance home […]