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.



               1964-65 Season

Mar 1966

               1965-66 Season

Jul 1967

               1966-67 & 1967-68 Seasons

Jun 1969

               1968-69 Season


               1969-70 Season

Apr 1972

               1970-71 Season

Feb 1973

               1972-73 Season


               1973-74 Season


               1975-76 & 1976-77 Seasons


               1977-78 & 1978-79 Seasons


               1979-80 & 1980-81 Seasons


               1981-82 & 1982-83 Seasons

Feb 1987

               1983-84 & 1984-85 Seasons

Sep 1987

               1985-86 & 1986-87 Seasons


               1987-88 & 1988-89 Seasons         




*       Report on Flood Control for the San Dieguito River

Sep 1965

*       The Sweetwater River Flood Control Project

Nov 1965

*       Flood & Drainage Investigation Part I

Oct 1966

*       Harborside-Castle Park Storm Drain Plan

Oct 1966

*       Harborside-Castle Park Storm Drain Plan

Oct 1966

*       Forester Creek General Plan for Flood Improvements     

Jun 1969

*       Spring Valley Creek General Plan for Flood Control Improvements

Dec 1969

*       Borrego Valley General Plan for Flood Control Improvements

Jul 1971

*       Poway Valley Revised Plan for Flood Control Improvements

Jul 1972

*       Forester Creek Flood Control Project     

Sep 1972

*       Borrego Valley Flood Management Report

Oct 1989

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

Sep 1974



*       San Luis Rey River Hydrology Stud

Sep 1974

*       Hydrology Report for Agua Hedionda Creek

Dec 1976

*       Hydrology Report for Santa Maria Creek

Nov 1977


*       Flood Control Advisory Committee

Oct 1962

*       Flood Control Disctrict Act, Hedger Report

Apr 1966

*       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

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

Nov 1972

*       Precipitation Frequency Study

Nov 1973

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

Jul 1978

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

Oct 1980

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


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


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

Jul 1985

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

Mar 1986

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

Apr 1988

*       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

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

Apr 1993

*       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


Flood Documents to Download

Hydrology Manual

Hydraulic Design Manual - 2014

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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