Morrow Reservoir

Snake River Drainage

  • Recommended Fishing Water

Morrow Reservoir in Elmore County is 47.8 acres.

Interactive Map
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This fishery was dewatered for dam maintenance in 2014. The fish population was lost and has not been reintroduced because of conflicts about public access across private property. As of May 2017, no access agreements are in place.

Facilities

Motor Restriction
No
Boat Ramp
No
Dock
No
Toilet
No
Campground
No
ADA Access
Yes

Recommended Game Fish

Species Observed in Surveys

Fish Stocking Records

Date Species Quantity General Size
2000/05/25 Largemouth Bass 22 Catchable (6+ inches)
2000/05/25 Largemouth Bass 84 Fingerling (3-6 inches)
2000/05/21 Largemouth Bass 184 Catchable (6+ inches)
1996/08/16 Largemouth Bass 210 Catchable (6+ inches)
1993/05/25 Bluegill 124 Fingerling (3-6 inches)
1993/05/25 Largemouth Bass 43 Adults
Source: IDFG Fish Stocking Database.

Licenses and Tags

Learn more about IDFG Licenses, Tags & Permits
 

The Largemouth Bass and Bluegill populations were lost in 2014 when the reservoir was dewatered for dam maintenance purposes. IDFG will not restore the fishery until legal public access to the reservoir is established.

Fishing Rules, 2025 - 2027

All Waters Open All Year

Except as modified in Special Rules
Fishing is not allowed within the posted upstream and downstream boundary of any fish weir or trap.

Daily Bag Limits

The following daily bag limits apply to all waters within each region except as modified in the Special Rules. The possession limit is 3-times the daily bag limit.

Special Rules

No Special Rules for Morrow Reservoir.
Magic Valley Region Bag Limits
Bass (Largemouth and Smallmouth)

  • Bass limit is 6, both species combined
  • None under 12 inches

Brook Trout

  • Brook Trout limit is 25
  • Harvest allowed during any open season unless otherwise noted under Special Rules - if gear or bait restrictions are listed, they apply when fishing for Brook Trout

Bull Trout

  • Bull Trout - catch-and-release

Kokanee

  • Kokanee limit is 6

Sturgeon

  • Sturgeon - catch-and-release
  • Sturgeon must not be removed from the water and must be released upon landing
  • Barbless hooks, sliding swivel device to secure a weight, and a lighter test line to secure weight to sliding swivel device are required. See fishing regulations for details

Tiger Muskie

  • Tiger Muskie limit is 2, none under 40 inches

Trout includes Brown Trout, Lake Trout, Golden Trout, Arctic Grayling, Cutthroat Trout, Rainbow Trout, land-locked Chinook and Coho Salmon, trout hydrids (.e.g. Tiger Trout)

  • Trout limit is 6, all species combined
  • In rivers and streams, only 2 of the 6 trout may be Cutthroat Trout
  • Bull Trout and Brook Trout are listed separately

Walleye

  • Walleye limit is 6

Whitefish

  • Whitefish limit is 25
  • Harvest allowed during any open season unless otherwise noted under Special Rules - if gear or bait restrictions are listed, they apply when fishing for whitefish

Protected Nongame Fish includes Northern Leatherside Chub, Shoshone Sculpin, Wood River Sculpin, and Bluehead Sucker (also known as Green Sucker)

  • May not be harvested or possessed

All Other Fish Species includes bullfrogs and crayfish

  • No bag, length or possession limit
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