Any structures, dwellings, construction or operations
existing within a watercourse, coastal wetland or tidal marsh prior
to the effective date of this local law shall be exempt from this
local law and permitted to continue, provided that:
A. No new construction, structures, dwellings or operations
will be permitted after the effective date of this local law, except
by permit as provided herein.
B. Where damage or hazardous conditions exist, the landowner
may be required by the Town Board to repair such damage or remedy
such hazardous conditions as the Town Board may direct.