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Power-plant cooling reservoir (MDC conservation area)

Thomas Hill Reservoir

Macon / Randolph, Missouri

Thomas Hill Reservoir is a 4,950-acre power-plant cooling lake in Macon and Randolph counties, managed by MDC as a conservation area. Warm-water discharge creates a year-round fishery, notably for crappie and hybrid striped bass in winter.

N5 mi
Air temp in Excello, MO Loading current temperature…
Map data © OpenStreetMap contributors.
Surface area4,950 acres
Max depth—
Shoreline—
Boat motorsUnlimited horsepower

Species

Fishery rating out of 5.

Crappie●●●●○

MDC: good; ~40% of adults 9 in or longer; 15 daily

Wiper●●●●○

Hybrid striped bass popular in winter; 20-in minimum, 4 daily

Flathead Catfish●●●○○

Potential for 36-in+ fish

Channel Catfish●●●○○

Abundant but small; MDC encourages keeping 10

Largemouth Bass●●○○○

Low population; most 12-15 in; 15-in minimum

Boat launches

4 launch sites. Fees and hours change, so confirm before you go.

  • Highway T boat ramp (north end)Public
    Concrete ramp with ADA paved fishing jetty and fish cleaning stationDirections ↗
  • Brush Creek fishing dockPublic
    Barrier-free dock on warm-water armDirections ↗
  • Thomas Hill Reservoir CA rampsPublic
    Three concrete ramps on the lake; no motor size limitDirections ↗
  • More public accessPublic
    See MDC or the lake manager's website for all rampsDirections ↗

Size & creel limits

Minimum size and daily limit for each species in Thomas Hill Reservoir are published by the state. Look up the current size and creel limits for this lake directly: Missouri Department of Conservation ↗

Rules change, so confirm current limits with the Missouri Department of Conservation before you fish.

Bait & tackle nearby

Closest shops to the lake and its boat launches. Call ahead for live bait and hours.

Search more bait shops near Thomas Hill Reservoir ↗

Local tips

  • Winter crappie and hybrids concentrate near the warm-water discharge channel.
  • A barrier-free dock is on Brush Creek and an ADA jetty is at the Highway T ramp.
  • Main arm above Highway T is closed to boating Oct 15-Jan 15.

View on interactive map

Zoom and pan on a street, satellite or terrain map. Red pins are boat launches.

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Always wear a life jacket and check your state's current regulations before you fish.