California drainage manual

Division Four Standards for Drainage Download Standards for Drainage (2 MB) Engineering Bulletin Precipitation Data (88 KB) Engineering Bulletin Sump Volume Requirements (1 MB) Chapter I. General Sec. General Purpose It is the general purpose of these standards that waters generated by storms, springs, or other sources. Home - El Dorado County. DRAINAGE CRITERIA MANUAL (V. 1) DRAINAGE LAW SUMMARY OF CURRENT GENERAL PRINCIPLES OF DRAINAGE AND FLOOD CONTROL LAW Introduction Drainage law not only has its basis in law made by the courts and the legislature, but also relies to a large extent on the drainage facts that exist in each case. Therefore, a party with the most reliable.

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 () weekdays or contact the Stormwater Hotline at 1 () For after-hours emergencies contact () Highway Design Manual July 1, CHAPTER – TRANSPORTATION FACILITY DRAINAGE Topic – General Index – Basic Concepts Roadway drainage involves the collection, conveyance, removal, and disposal of surface water runoff from the traveled way, shoulders, sidewalks, and adjoining areas defined in Index. standards. This manual contains procedures and standards developed and revised by the Water Resources Division based on historic rainfall and runoff data collected within the county. The hydrologic techniques in this manual apply to the design of local storm drains, retention and detention basins, pump stations, and major channel projects.

1 Mar March Flood Management Design Manual. Sonoma County Water Agency. Aviation Boulevard. Santa Rosa, CA Design value of the Coefficient of Variation, derived from all the rainfall gage data in California and calculated by Goodridge for. The primary function of infiltration controls is to mitigate the impacts that urbanization normally has on the water balance (i.e., increased surface runoff.