Since its incorporation in 1960, the unprecedented growth of San Dimas has transformed the City from an essentially rural area to a well-balanced community offering industrial, commercial, and residential living. In addition to the 1,700 acre Frank G. Bonelli Recreational Area which lies within the City boundaries, there are many parks such as San Dimas Canyon Park, a city-owned golf course (San Dimas Canyon Golf Club), and over 27 miles of equestrian trails for riding. The city services include an extensive recreational program for youth and for senior citizens, and the City boasts a new modern City Hall, with excellent provisions made for County Sheriff and Fire Departments, along with a fine Los Angeles County Library and Engineering Regional Office.
The State Water Resources Control Board requires all agencies that own or operate a wastewater collection system, to develop and implement a Sewer System Management Plan (SSMP) that documents how the City manages its wastewater collection system. On December 6, 2022, the State Water Resources Control Board adopted the reissued Statewide General Waste Discharge Requirements and the Monitoring and Reporting Program (WDR) by issuing Order No. 2022-0103-DWQ.
This WDR requires owners and operators of publicly owned collection sewer systems to develop and present a Sanitary Sewer Management Plan (SSMP) to their governing body for approval. The WDR requires that the SSMP be updated every five years and must include any significant program changes. The City of San Dimas is required to comply with this order as it owns approximately 103 miles of sewer that are primarily maintained by the Los Angeles County Sewer Maintenance District.
The City’s Sewer System Management Plan (SSMP) can be viewed through the link below. Hard copies and copies of the attachments may be considered upon request at City Hall.
Adopted Sewer System Management Plan