Hydrology Manual

Hydrology Manual If you have trouble downloading the manual, please contact Anthony Barry at 858-694-2707

Reports:

• Rainfall Distribution Study, September 2014
• Evaluation C Values
• Initial Time of Concentration
• Report on the Calibration Analysis for the San Diego County Hydrology Manual, May 2007 If you have trouble downloading the manual, please contact Anthony Barry at 858-694-2707
• San Diego Unit Hydrograph (Software: zip files for extraction)
• Rational Hydrograph (Software: zip files for extraction)

Helpful Information and Documents:

• County of San Diego Watershed Protection, Stormwater

Back to Main Flood Control Home Page

If you have questions or would like additional information, 
call the County Stormwater hotline at 1(888) 846-0800
or e-mail us at watersheds@sdcounty.ca.gov

Report a Stormwater Violation On-Line

If you see a County storm drainage system in need of maintenance, contact the County Department of Public Works Field Operations staff at (619) 443-1260 weekdays or contact the Stormwater Hotline at 1(888) 846-0800.  For after-hours emergencies contact (858) 565-5262. 

COUNTY OF SAN DIEGO
Department of Public Works
Flood Control
 
5510 Overland Ave., Suite 410, MS O326
San Diego,  CA  92123,  USA
(858) 495-5318           Fax: (858) 495-5263