or manages a dam or reservoir, water obstruction or
encroachment.
"Person." Includes any natural person, partnership,
association, corporation, municipality, municipal authority,
receiver or trustee and any department, board, commission or
authority of the Commonwealth. Whenever used in a section
prescribing and imposing a penalty or sanction, the term
"person" shall include the members of an association and the
officers of a corporation, municipality or municipal authority.
"Regional curve." A regression of the relations among
drainage areas, selected cross-sectional parameters and
streamflows.
"Reservoir." Any basin which contains or will contain the
water or other fluid or semifluid impounded by a dam.
"Safety." Security from the risk or threat of significant
loss or injury to life, health, property and the environment.
"Streamflow." The rate at which water passes a given point
in a stream or river, usually expressed in cubic feet per
second.
"Water obstruction." Includes any dike, bridge, culvert,
wall, wing wall, fill, pier, wharf, embankment, abutment or
other structure located in, along, across or projecting into any
watercourse, floodway or body of water.
"Watercourse" or "stream." Any channel of conveyance of
surface water having a defined bed and banks, whether natural or
artificial, with perennial or intermittent flow.
Section 2. The act is amended by adding a section to read:
Section 17.1. Programs for removing obstructions and flood-
related hazards on streams.
(a) Each county shall develop a program consisting of two
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