Jack Lake

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Jack Lake is a 142-acre lake located near Walker, Minnesota that has 2.50 miles of shoreline and a maximum depth of 110 feet. There is a county-owned public access on the west shore. The Minnesota Department of Natural Resources (MNDNR) has classified Minnesota lakes into 43 different classes based on physical, chemical, and other characteristics. Jack Lake is in Lake Class 23; lakes in the class are generally very deep and very clear.

Jack Lake has a good population of northern pike, ranging from 16 to 29 inches. The abundance of northern pike caught compared favorably to other lakes in this class. Jack Lake has an abundant population of bluegill. Average length of these fish was about 6 inches, though bluegill about 8 inches were sampled. Pumpkinseed sunfish and rock bass numbers compared well with numbers found in other lakes of this class. Other species present included black crappie, bowfin (dogfish), brown bullhead, burbot (eelpout), cisco (tullibee), hybrid sunfish, largemouth bass, walleye, yellow bullhead and yellow perch.

Anglers can help maintain or improve the quality of fishing by practicing selective harvest. Selective harvest allows for the harvest of smaller fish for table fare, but encourages release of medium- to large-sized fish. Releasing these fish can help maintain balance in the fish community in Jack Lake and provide anglers the opportunity to catch more and larger fish in the future.

Shoreline areas on the land and into the shallow water provide essential habitat for fish and wildlife that live in or near Minnesotas lakes. Overdeveloped shorelines cant support the fish, wildlife, and clean water that are associated with natural undeveloped lakes. Shoreline habitat consists of aquatic plants, woody plants and natural lake bottom soils.

Plants in the water and at the waters edge provide habitat, prevent erosion and absorb excess nutrients. Shrubs, trees, and woody debris such as fallen trees or limbs provide good habitat both above and below the water and should be left in place. By leaving a buffer strip of natural vegetation along the shoreline, property owners can reduce erosion, help maintain water quality, and provide habitat and travel corridors for wildlife.

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