Storm Drainage Master Plan

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Background

The City of Pacifica collects and disposes of stormwater runoff generated within the City service area.  The storm drainage collection system consists of almost 50 miles of drainage lines, 8.7 miles of open channels, and two City-operated pump stations.  The collection system consists of pipes varying in diameter from 4 inches to 90 inches, and ultimately discharges to approximately 22 different outfalls to the Pacific Ocean.

Project Overview

The City is updating the 2012 Storm Drainage Master Plan to reflect current conditions and to consider new and emerging concerns, including the impacts of climate change. This 2022 Storm Drainage Master Plan update will serve as a strategic planning guide for maintaining, improving, and expanding the City’s storm drainage system, and will include updated geographical information system (GIS) mapping, hydrologic and hydraulic model update, and the development of an updated capital improvement plan (CIP). 

Priority Areas

The 2022 Storm Drainage Master Plan focused on priority areas such as:

  • Lower Linda Mar Boulevard and Balboa Way

  • Monterey Road / Big Inch Creek

  • Rockaway Beach Avenue

  • Vallemar

  • Pedro Point

  • East Sharp Park

  • West View

 Schedule

Task
Timeline
Data Collection / Assessment of Existing Storm Drainage System
October to March 2021
Flow Monitoring Program
January to March 2022
Hydrological / Hydraulic Model Development and Perform System Evaluation / Improvement Needs
October to December 2021
Condition Assessment and Rehabilitation / Replacement Program
March to April 2022
Long Range CIP / Analysis of Stormwater Funding Options
May to June 2022
Draft 2022 Storm Drainage Master Plan
June to November 2022
Final 2022 Storm Drainage Master Plan
December 2022

 

 Useful Links and Documents