TRANSPORTATION, WATER & INFRASTRUCTURE COMMITTEE
Meeting Date: March 18, 2026
Subject: RECEIVE a presentation on the Contra Costa Regional Alternative Compliance (RAC) System - Joint Powers Authority (JPA) and APPROVE the staff recommendation to join the RAC JPA
Submitted For: Warren Lai || Director | PUBLIC WORKS
Department: PUBLIC WORKS || WATERSHED PROGRAM
Referral No: 5
Referral Name: Review projects, plans and legislative matters that may affect the health of the San Francisco Bay and Delta, including but not limited to conveyance, flood control, dredging, climate change, habitat conservation, governance, water storage, drought resilience planning, development of an ordinance regarding polystyrene foam food containers, monitor waste diversion initiatives, and water quality, supply and reliability, consistent with the Board of Supervisors adopted Delta Water Platform.
Presenter: Michele Mancuso || Sr. Watershed Management Planning Specialist | PW
Contact: Michele Mancuso | (925) 313-2236
Referral History:
Contra Costa County (County) is one of 79 permittees under the San Francisco Bay Region Municipal Regional Stormwater Permit (MRP). To comply with the MRP, municipalities implement programs to reduce pollutants, such as oil, trash, sediment, and mercury, carried by rainwater (stormwater) into local creeks and the Bay. The MRP includes a wide variety of requirements related to municipal operations, business inspections, trash controls, stormwater monitoring, pollutant controls, cost reporting, asset management, and development controls. The permit requires development projects to install low impact development (LID) systems, such as bioretention basins or pervious pavement, which slow, spread, and infiltrate runoff from buildings and pavement. LID is required when new construction or reconstruction exceeds 5,000 square feet. Municipalities must also construct LID systems beyond those required for development projects. For the unincorpora...
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