Reports & Downloadable Documents


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HYDROLOGY SECTION REPORTS--The following documents are available within the Flood Control Hydrology Section at (858)495-5557 or by e-mail. Some of the documents underlined below are downloadable by clicking on the link.



     Flood Control Annual Report FY 2012-2013 Aug 2014

            1987-88 & 1988-89 Seasons


            1985-86 & 1986-87 Seasons


            1983-84 & 1984-85 Seasons

Sep 1987

            1981-82 & 1982-83 Seasons

Feb 1987

            1979-80 & 1980-81 Seasons


            1977-78 & 1978-79 Seasons


            1975-76 & 1976-77 Seasons


            1973-74 Season


            1972-73 Season


            1970-71 Season

Feb 1973

            1969-70 Season

Apr 1972

            1968-69 Season


            1966-67 & 1967-68 Seasons

Jun 1969

            1965-66 Season

Jul 1967

            1964-65 Season

Mar 1966



*       General Plan for Drainage and Flood Control for the Fallbrook Area

Sep 1974

*       Borrego Valley Flood Management Report

Oct 1989

*       Forester Creek Flood Control Project  

Sep 1972

*       Poway Valley Revised Plan for Flood Control Improvements

Jul 1972

*       Borrego Valley General Plan for Flood Control Improvements

Jul 1971

*       Spring Valley Creek General Plan for Flood Control Improvements

Dec 1969

*       Forester Creek General Plan for Flood Improvements  

Jun 1969

*       Harborside-Castle Park Storm Drain Plan

Oct 1966

*       Harborside-Castle Park Storm Drain Plan

Oct 1966

*       Flood & Drainage Investigation Part I

Oct 1966

*       The Sweetwater River Flood Control Project

Nov 1965

*       Report on Flood Control for the San Dieguito River

Sep 1965



*       Hydrology Report for Santa Maria Creek

Nov 1977

*       Hydrology Report for Agua Hedionda Creek

Dec 1976

*       San Luis Rey River Hydrology Stud

Sep 1974


*       Design and Procedure Manual
Defines the scope of Flood Control District, lists design standards and specifications, establishes basic criteria for hydrologic design, defines standard flood hazard terms, updated periodically

Apr 1993

*       Hydrology Manual
Provides a uniform procedure for establishing flood flows and provides supplemental information to the Design and Procedure Manual Updated periodically.

Apr 1993

*       ALERT Data Quality and Display
An in-house report that describes procedures used to assure data completeness, accuracy, and reliability on the ALERT flood warning system

May 1991

*       High-Intensity Storms in San Diego County
An analysis of recorded rain data for high-intensity short-duration rainfall in County

Apr 1988

*       ALERT in San Diego - Quantum Leap in Storm Warning Data Collection Systems

Mar 1986

*       Rain/Streamflow HIstory in Eastern San Diego Cnty
A discussion of desert flooding episodes and a compaison with the determinations of FEMA

Jul 1985

*       Short Duration Precipitation Study
Updates the july 1978 report by the same title


*       Flood Plain Changes During Major Floods      
A discussion of the widespread changes that can occur in flood plains due to heavy flooding


*       Storm and Flood Events in San Diego County
The storms of February 1980

Oct 1980

*       Short-Duration Precipitation Study
Discusses the rain amount/duration/frequency relationship in the San Diego County area

Jul 1978

*       Precipitation Frequency Study

Nov 1973

*        Storms in San Diego County
A discussion of the heaviest storms in the County through 1972

Nov 1972

*       Long-Range Hydrology Program
Study and investigations made to determine the direction to take in establishing a long range hydrology program, with specific suggestions for the next five-year period

May 1969

*       Flood Control Disctrict Act, Hedger Report

Apr 1966

*       Flood Control Advisory Committee

Oct 1962


Flood Documents to Download

Hydrology Manual

Drainage Design Manual

85th Percentile Precipitation Map

Borrego Springs Alluvial Flood Map

Power Point Presentations:

Borrego Springs Alluvial Fans

Low Water Crossing

Alert System




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