Flood Control

Graphic of Flood After Fire
Flood Control Functions

Flood Control Functions

The Flood Control Section is responsible for the maintenance of existing stormwater drainage facilities, construction of new district facilities, flood warning, hydrologic data collection and assuring private development projects meet flood Control objectives and compliance with Federal Emergency Management Association (FEMA) guidelines. It provides staff support for the Flood Control Commission, drafts and reviews state and local regulations and provides FEMA and County Flood Plain Map information, technical reports, public and private land development studies and standards for support of private development.  It also receives drainage complaints and provides information and appropriate action(s). For questions about general Flood Control issues, please call (858) 694-2112.

DPW Flood Control is supported by the: 

Flood Control is responsible for maintenance of stormwater drainage facilities, developing and reviewing hydrologic and hydraulic studies and associated mapping, and ensuring compliance with sound floodplain management criteria aimed at reducing flood risk. Flood Control is also responsible for flood warning and rainfall data collection.

Technical Manuals:

These documents provide guidelines on engineering design of your project. 

  • Hydrology Manual
  • Hydraulic Design Manual
    If proposed project involves complex modeling (i.e. HEC-RAS analysis) Flood Control District staff is available to meet to discuss appropriate parameter selection and other technical considerations.

Upcoming Trainings:

Governing Ordinances and Regulations:

Floodplain information:

FEMA Information:

Hazard Mitigation Information:

Flood Warning uses a network of automated rain, stream, reservoir and weather stations known as the ALERT Flood Warning System. Weather changes are reported in real-time to our Kearny Mesa office.

Quick Links:



DPW wants you to be prepared for the Rainy Season. Useful information is available here: 


Flooding Preparedness and Resources