The City of San Diego's Metropolitan Wastewater Department (MWWD) is currently working on several initiatives to reduce the frequency and severity of sanitary sewer overflows (SSO's). These initiatives include an accelerated cleaning program for all 3,000 miles of pipe in
the system, a closed-circuit television (CCTV) inspection program, and a capital program to replace or rehabilitate 60 miles of sewer per year. All of these initiatives are being aided by MWWD's implementation of Geographic Information System (GIS) tools. This paper describes some of
the tools that have helped MWWD to plan and manage their spill reduction initiatives.
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