MADISON (WRN) - The state DNR is taking public comments before it decides whether to add 30 waterways and remove 40 others from a list of Wisconsin’s impaired waters. The federal government requires the state to list waters that don’t meet certain standards for fishing, swimming, and general water quality. Almost 700 lakes, rivers, and streams are singled out. The proposed new entries have problems that include bacteria and runoff pollution. The ones to be removed had things like lower mercury levels in fish, or less frequent beach closings due to the presence of e-coli bacteria. The state DNR will take letters and e-mail comments until January 15th.