Oconomowoc Lake is a 818 acre lake located in Waukesha County. It has a maximum depth of 60 feet. Fish include largemouth bass, smallmouth bass, northern pike, walleye and panfish. The water is very clear, which can make fishing exciting because you can see a lot of fish in the lake, however, getting them to bite isn’t always easy. According to the DNR, largemouth bass and northern pike are common in the lake while smallmouth bass, walleye and panfish are listed as present.