It shall be unlawful for any person, firm or corporation to pave, fill, strip, grade or regrade any land within the Borough of Colwyn without first securing a permit as hereunder provided.
It shall be unlawful for any person, firm or corporation to disturb, modify, block, divert or affect the natural overland or subsurface flow of stormwater within the Borough of Colwyn without first securing a permit as hereunder provided.
It shall be unlawful for any person, firm or corporation to construct, erect or install any drainage dam, ditch, culvert, drainpipe, bridge or any other structure or obstruction affecting the drainage of any premises in the Borough of Colwyn without first securing a permit as hereunder provided.