MILWAUKEE COUNTYPhotos: Toxic algae infects Milwaukee County park lagoonA bottle contains a water sample taken from the Juneau Park Lagoon earlier this week. Samples analyzed by the University of Wisconsin-Milwaukee's Zilber School of Public Health showed toxic algae levels at 10 times beyond what the federal government recommends for recreational waters.Dan Egan / Milwaukee Journal SentinelMichael Bonin of Milwaukee tries his luck fishing on Juneau Lagoon on Wednesday. He said he was releasing anything he caught, so he wasn't worried about the algae issues.Mike De Sisti / Milwaukee Journal SentinelA couple takes a paddle boat ride on Juneau Lagoon on Wednesday.Mike De Sisti / Milwaukee Journal SentinelPaddle boarders splash in the algae-contaminated waters of the Juneau Park Lagoon on Tuesday. The lake remains open to boaters, though signs warning visitors of the algae dangers are planned, according to a spokesman for the Milwaukee County Parks system.Dan Egan / Milwaukee Journal SentinelAlgae bloom in Juneau Park lagoon.Michael Sears / Milwaukee Journal SentinelAlgae bloom in Juneau Park lagoon.Michael Sears / Milwaukee Journal SentineLAlgae bloom in Juneau Park lagoon.Michael Sears / Milwaukee Journal Sentinel