Lions Beach is now open for summer, according to a City of Janesville news release.
Hours of operation are from 11 a.m. to 6 p.m. daily. The beach will close for the season Sept. 6, according to the release.
The city's recreation division will test water samples weekly to monitor E. coli bacterial levels and will notify the public when counts are too high.
Bacteria counts will vary depending on usage and environmental factors, according to the release.