Section 323.1311. Definitions.

Rule 311. As used in this part:

(a)   "A 100-year flood" means a flood with a magnitude   which    has    a   1% chance of occurring or being exceeded in any given year.

(b)   "Department" means the Michigan department of environmental quality.

(c)   "Encroachment" means any structure, filling, grading, or  deposition of materials in, upon, across, or projecting into, a floodplain,    channel, or floodway.

(d)  "Flood" means a temporary increase in the stage of a  river  or   stream resulting in the inundation of lands not normally covered by water.

(e)   "Floodplain" means that area of land adjoining  a    river    or    stream that will be inundated by a 100-year flood.

(f)   "Floodway" means the channel of a river or stream and the portions of the floodplain adjoining the channel that are reasonably required to carry and discharge a 100-year flood.

(g)     "Harmful interference" means causing an increased stage or  change  in direction of flow of a river or stream that causes, or is likely to cause, any of the following:

(i)   Damage to property.

(ii)   A threat to life.

(iii)   A threat of personal injury.

(iv)   Pollution, impairment, or destruction of water or other natural resources.

History: 1984 AACS; 1996 AACS.