Within the floodway, and within all other S.F.H.A.s where a floodway has not been delineated, the following standards shall apply:
(a) Except as provided in subsection (b) of this section, no development shall be allowed which, acting in combination with existing and anticipated development, will cause any increase in flood heights or velocities. The following specific development activities shall be considered as meeting this requirement:
(i) Barge fleeting facilities meeting the conditions of I.D.N.R./O.W.R. Statewide Permit Number 3;
(ii) Aerial utility crossings meeting the conditions of I.D.N.R./O.W.R. Statewide Permit Number 4;
(iii) Minor boat docks meeting the conditions of I.D.N.R./O.W.R. Statewide Permit Number 5;
(iv) Minor, non-obstructive activities meeting the conditions of I.D.N.R./O.W.R. Statewide Permit Number 6;
(v) Outfall structures and drainage ditch outlets meeting the conditions of I.D.N.R./O.W.R. Statewide Permit Number 7;
(vi) Underground pipeline and utility crossings meeting the conditions of I.D.N.R./O.W.R. Statewide Permit Number 8;
(vii) Bank stabilization projects meeting the conditions of I.D.N.R./O.W.R. Statewide Permit Number 9;
(viii) Accessory structures and additions to existing residential buildings meeting the conditions of I.D.N.R./O.W.R. Statewide Permit Number 10;
(ix) Minor maintenance dredging activities meeting the conditions of I.D.N.R./O.W.R. Statewide Permit Number 11;
\ (x) Bridge and culvert replacement structures and bridge widening meeting the conditions of I.D.N.R./O.W.R. Statewide Permit Number 12;
(xi) Temporary construction activities meeting the conditions of I.D.N.R./O.W.R. Statewide Permit Number 13: and
(xii) Any development determined by I.D.N.R./O.W.R. to be located entirely in a flood fringe area.
(b) Other development activities not listed in subsection (a) of this section may be permitted only if:
(i) A permit has been issued for the work by I.D.N.R./O.W.R. (or written documentation is provided that an I.D.N.R./O.W.R. permit is not required); and
(ii) Sufficient data has been provided to F.E.M.A. under the map revision process and a CLOMR/LOMR has been obtained from F.E.M.A. when necessary.
(Added Coun. J. 6-28-91, p. 2766; Amend Coun. J. 6-29-05, p. 51811, § 1; Amend Coun. J. 7-21-21, p. 33505, § 3)