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.::.. . 0023'1') 25 REGULATORY PROGRAMS' ,-", 5-242.31 <".., ,. ^~<':::l '~;i:::( Study Committee, February, 1965) and Plate 11, "Proposed F1oodway, Toms and Little Toms Creeks, , Vicinity of Coeburn, Virginia", (Coeburn Flood Study Committee, February, 1965), which charts are made ?artof these regulations. 140 242. 30 Standards for Improvement of Lands'. There appears to be wider variety in standards for use of flood hazard areas in subdivision ordinances than in com- " . parable flood, plain zoning ordinances. Subdivision standards apply both to '~f1ood" ,and "drainage": 242,.31 Standards for "Flood" Areas 1. The simplest form of regulation requires that land subject to flood hazard be shown on the subdivision plat. This helps to prevent victimization and fraud. A Los Altos, California, ordinance states: I I I I I , , ! , I , ! ! 1 , i 5.61.' If any portion of any land ,'~lithin the boundaries shown on any such Final Map or Record of Survey Map', is subject to overflow, inundation or flood hazard by storm waters, such fact and s~id portion shall be clearly shown on such Final Map or Record of Survey Map, en"i41 closed in a border on each sheet of said map. 2. A,second common type of standard states that no plat will be approved for an area subject to severe drainage prob- lems or periodic inundation unless reasonable improvements are made. An ordinance from Henrico County, Virginia, states: Section 14-22. Areas Subject to Inundation. No lot, tract or parcel of land, or any part there- ,of, subject to inundation shall be divided or subdivided for the use of buildings or struc- tures erected or to be erected thereon for dwelling or residential purposes, unless l'4~r- rected to the satisfaction of the agent. An ordinance from Rock Island County, Illinois, states: SECTION V. STANDARDS ,OF DESIGN G. Land Subject to Flooding or Containing Poor Drainage Facilities I ><--~'. ,"