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9-1605.16 FLOOD HAZARD REDUCTION: 9-1605.17 PROHIBITED USES AND
<br /> USES AND STRUCTURES WITHIN STRUCTURES.
<br /> FLOODWAYS. The following uses and structures shall be prohibited
<br /> Uses and structures within floodways shall be subject to within areas of special flood hazard:
<br /> the following flood hazard reduction standards: (a) Uses Prohibited Within Floodways.The follow-
<br /> (a) Anchoring.All structures within floodways shall ing uses shall be prohibited within floodways:
<br /> be constructed so as to remain in place during the one hun- (1) Storage ofhazardous materials,including but
<br /> dred(100)year flood,except those subject to an Evacuation not limited to pesticides,radioactive materials,explosives,
<br /> Plan as specified in Chapter 9-845. and other materials which may be hazardous to life,limb,or
<br /> (b) Obstruction of the Floodway.All structures shall property when inundated;
<br /> be designed to allow free passage of floodwaters and mini- (2) Mobile homes and recreational vehicles not
<br /> within parks with approved Evacuation Plans;
<br /> mite catching of debris.
<br /> (c) Extraction of Sand,Gravel,and Other Materi- (3) Double-wide mobile homes or expando mo-
<br /> bile homes;
<br /> ah.There shall be no stockpiling of materials,products,or
<br /> (4) New cemeteries or expansion of existing
<br /> overburden which may create an obstruction to the passage
<br /> of flood flows or increase the velocity or elevation of water cemeteries;
<br /> (5) New sanitary landfills or expansion of exist-
<br /> within the floodway. mg sanitary landfills;
<br /> (d) Drainage and Flood Control Development.
<br /> Drainage and flood control development shall be subject to (6) Water wells;
<br /> the following conditions: St Sewage wastewater facilities.
<br /> (1) The net effect of any drainage or flood con- (ct Structures Prohibited Within floodways,excep thays. All
<br /> trol structure,facility,channel,or other project or combina- structures are prohibited withined, ifcert except that the
<br /> Pro-
<br /> tion of projects placed or enlarged within a floodway shall structures listed below are allowed, a certification is en-
<br /> be such that it does not increase the area,velocity,or eleva- croacded m a registered civil engineer demonstrating that els
<br /> tion of floodwaters within the floodway. during the o will not result th any increase in flood levels
<br /> (2) The governing agency havingjurisdictional during the occurrence of the one hundred(100)year flood
<br /> discharge and all other Floodplain Management provisions
<br /> authority over new levee construction,levee modification,
<br /> are satisfied.
<br /> or levee maintenance shall condition the approval of said
<br /> (1) Pumps,siphons,and appurtenances.
<br /> project so tha[no increase N the area,velocity,or elevation (2) Fences, walls, signs, and other appurte-
<br /> of floodwaters within the floodway results.
<br /> (3) In the absence ofany other governing agency nances.
<br /> (3) Public and private docks,wharves,piers,and
<br /> with jurisdictional control, the Floodplain Administrator boat launching ramps.
<br /> shall have jurisdictional control over projects falling within (4) Marinas, including ramps, gas pumps or
<br /> this Subsection. docks, and other structures which must be located on,
<br /> (4) Notwithstanding the foregoing,existing lev- provided
<br /> ees which protect and delineate a floodway may be modi- above,or immediately adjacent to a watercourse,
<br /> there is no alternative to location in a floodway.
<br /> fied or maintained for the purpose of reducing the danger of
<br /> flood damage to the lands or other property the levees are (5) Pilings and other support structures.
<br /> (6) Rai[roads,pipelines,utility lines,and public
<br /> designed to protect. '
<br /> (e) Removal of Equipment and Stored Material.All improvements such as roads and streets.
<br /> moveable equipment and stored material shall be removed (7) Bridges.
<br /> prior toaflood. (c) Uses and Structures Prohibited Within Flood
<br /> Fringe Areas.The following uses and structures shall not
<br /> (f) Bridges Spanning a Floodway.Bridges spanning
<br /> permitted within Inge areas:
<br /> a floodway shall have the bottom of the lowest horizontal be emete
<br /> c
<br /> member three(3)feet ormore above the one hundred(100) (1) New cemeteries;
<br /> yeas flood elevation for major streams and two(2) feet or (2) Solid waste disposal;and
<br /> more above the one hundred(100)year flood elevation for (3) Hazardous waste facilities and other similar
<br /> facilities.
<br /> minor streams as determined by the FloodplainAdministra-
<br /> (Ord.3675;Ord.4149§8,2002;Ord.4153 §8,2002)
<br /> tor.
<br /> (g) Encroachments. Any encroachments, including
<br /> fill,new construction,substantial improvements,and other
<br /> development shall be prohibited unless certification is pro-
<br /> vided by a registered civil engineer demonstrating that en-
<br /> croachments will not result in any increase in flood levels
<br /> during the occurrence of the one hundred(100)year flood
<br /> discharge.
<br /> (Ord.3675;Ord.4149§7,2002;Ord.4153 § 7,2002)
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