Rochester pools closed due to fights, disregard for pool rules Other swimming areas in Minnesota are struggling to hire lifeguards. Author: Rochester is closing its city-run pools so officials can address "safety concerns" that have come up amid the heatwave. "Unsafe activities" such as fights, pushing, children being left unattended, lack of attention to the lifeguards and "general disregard for pool rules," has forced the city to temporarily close the Soldiers Field Pool on June 9, the City of Rochester said in a June 9 news release. It will also be delaying the opening of the Silver Lake Pool, which was slated to open Wednesday after initially being delayed due to a pipe repair.