Public Works Flood Control & Engineering Divisions have developed a Homeowners Guide for Emergency Flood Control for use in preparing for flooding events. It can be viewed in the tabs below or downloaded by clicking on the link above. The manual presents some simple measures homeowners can undertake to prepare for and reduce the impact of flooding to homes and businesses. Erosion and Sedimentation Manual, 2006 : Full text (52.6 MB PDF) Fish Protection at Water Diversions, A Guide for Planning and Designing Fish Exclusion Facilities, April 2006 : Full text (17.1 MB PDF) Flood Hydrology Manual, 1989 : Abstract (opens in new window) | Full text (14 MB PDF) Flood Inundation Mapping, June 2019: Full text (3 MB PDF) If you have trouble downloading the Hydrology Manual, please contact Sara Agahi at 858-694-2665. 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. San Diego Unit Hydrograph software: The manual helps councils develop and implement local floodplain risk management plans and outlines the technical assistance provided by the NSW Government. The manual details the roles and responsibilities of various NSW agencies and includes information on: the preparation of flood studies, floodplain risk management studies and plans federal flood insurance statutes.The purpose of the 1994 Act was to increase compliance with flood insurance requirements and participation in the NFIP in order to provide additional income to the National Flood Insurance Fund and to decrease the financial burden of flooding on the federal govern-ment, taxpayers, and flood victims.3 The 1994 Act The Flood Management Design Manual (FMDM) is intended to be used to guide public agencies and private entities in Sonoma County that are planning, designing, constructing or maintaining waterways, channels, closed conduits or culverts. It provides methods and criteria for analyzing storm drain systems and facilities that are necessary to convey Section 1: Flood Preparedness Overview Floods can happen at any time. Common causes include high river levels due to spring snow melt and heavy rain storms. There are many flood preparedness steps that can be taken to increase protection and reduce severity of impact on your home, business, and family. The National Flood Insurance Program (NFIP) Claims Manual (May 2020) is now available online. The purpose of the NFIP Claims Manual is to improve clarity of claims guidance to WYOs, vendors, adjusters, and examiners so that policyholders experience consistent and reliable service. The manual provides processes for handling claims from the and Design Criteria Manual" will be developed by the CCRFCD. This chapter also states that the MANUAL shall be used for the development and design of all Flood Control Facilities located within the CCRFCD. The CCRFCD has complied with the provisions of Chapter 15.0 by preparation of this MANUAL and has afforded all entities governed by the Flood Management Design Manual Appendix A. Glossary . Sonoma County Water Agency March 2020 A-5. North American Datum of 1927 (NAD 27) The North American Datum of 19 27 (NAD 27) is a unified horizontal or geometric datum computed in 1927 by the United States Coast and Geodetic Survey (see MANUAL MARCH 2006 EDITION This manual was supported by funding through a cooperative agreement with the Federal Emergency Manage-ment Agency (FEMA) as port of the Community