Development in the floodway shall:
(1) Conform to adopted city land use plans for the design of public and private development in the floodplain.
(2) Not result in damage to public facilities as a result of erosion or flooding events.
(3) Not generate adverse impacts (including but not limited to erosion) upstream or downstream.
(4) Not unnecessarily alter riparian habitats of watercourses and adjacent bank areas.
(5) Not increase the base flood elevations. Certification by a registered professional civil engineer shall be provided that demonstrates that the encroachment shall not result in any increase in flood levels during the occurrence of the base flood discharge.
(6) Not result in higher floodwater velocities which significantly increase the potential for flood or erosion damage.
(7) Not significantly increase channel or bank erosion.
(8) Not decrease groundwater recharge.
(9) Not contain a waste disposal system wholly or partially.
(10) Not result in the placement of any structure or material that may divert, retard or obstruct the flow of floodwaters.
(11) Not result in creating a danger or hazard to life or property.
(12) Not utilize structures except hydraulic structures and those structures exempted under section 26-4(4)--(8) of this ordinance, which are designed and constructed to protect life or property from dangers or hazards of floodwaters.
(13) Not contribute to debris accumulation upstream and/or downstream.
(14) Not create a water pollution problem in the floodway due to soluble, insoluble, or solid materials, at the time of flooding.
(Ord. No. 7407, § 5, 6-25-90; Ord. No. 11396, § 1, 8-9-16)