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Lake Isom is a public reservoir in Lake County and Obion County, Tennessee, managed by U.S. Fish and Wildlife Service. The shoreline and water are open to the public. Public access confirmed via PAD-US public land.
A TWRA-managed community lake — bluegill, redear, crappie and largemouth bass, managed for family and bank fishing. Needs a TWRA Lake permit on top of the state licence.
Lake Isom covers about 354 acres in the West region. Anglers here mostly fish for largemouth bass, black crappie, white crappie, bluegill; redear sunfish, channel catfish, common carp are also on record. Neighbouring public land — Lake Isom National Wildlife Refuge — opens up bank access away from the main entry points. The nearest other mapped waters on PiscaMaps are Running Reelfoot Bayou and Donaldson Ditch.
Species from TWRA and Tennessee fishery data.
Night fishing: No statewide night-fishing closure in Tennessee; a few individual waters have local rules — check the current TWRA regulations for this water.
Boats: Boats allowed. On the large TVA/USACE reservoirs there is no horsepower limit; TWRA agency lakes are usually electric-motor or 10 hp only.
Bank & bivvy camping: Camping is at Corps, TVA, TWRA and state-park campgrounds. Dispersed bankside camping on public shoreline is generally not allowed — use a designated site.
Tackle: Statewide creel and size limits apply; several reservoirs carry a black-bass protected slot — check the current TWRA regs for this water.
Rules verified 2026-09-01 against TWRA regulations. Always confirm the current rules before you fish.
Source: USGS PAD-US (Protected Areas Database).
A Tennessee fishing licence covers all public water in the state. Non-resident annual is around $50; 3-day and 10-day non-resident permits are also sold. TWRA agency lakes need an extra TWRA Lake permit.
Every water carries species, bank & boat access, current regulations and live water conditions — and members get Swim Mapper, Catch Logger and Trip Planner. It's the only US map with a dedicated carp-water layer.
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