The following words and terms used in this article shall have the meanings indicated:
FLOWThe natural or artificial flow, intensity or quality of waters or drainage.
FRESHETA sudden overflow of a stream resulting from a heavy rain or a thaw.
OBSTRUCTIONAny dams, diversions, construction of any kind, deposits of debris, fill, sand, stone or other material of any kind.
WATERCOURSEAny natural or artificial, intermittent, seasonal or permanent and public or private water body or watercourse. A water body is intermittently, seasonally or permanently inundated with water and contains a discernible shoreline and includes ponds and lakes. A watercourse includes rivulets, brooks, creeks, streams, rivers and other waterways flowing in a definite channel with bed and banks and usually in a particular direction.