"Surface waters or their tributaries used for public water supply" means those lakes, ponds, rivers, streams, or other open waters designated and delimited by the department of environmental services as sources of public water supply.

Source. #7544, eff 8-9-01 (from Pes 101.35), originally #6239, eff 5-2-96; renumbered by #9923 (from Pes 102.37)