StockedWaters

Kolar Reservoir 1 Fish Stocking

Montana · 1947–2026 on record

Source: Montana fish & wildlife agency· updated 2026-05-15

According to Montana fish & wildlife agency, Kolar Reservoir 1 was last stocked May 15, 2026 with Rainbow Trout. Kolar Reservoir 1 has 99 stocking records on file, spanning 1947–2026, with about 316,722 fish stocked over that period.

May 15, 2026
Last stocked
316,722
Fish stocked
6
Species
99
Stocking records

When Kolar Reservoir 1 is stocked

Kolar Reservoir 1 is typically stocked in spring, most often in June — 28 stocking events in that peak month.

How Kolar Reservoir 1's stockings spread across the calendar year.

Angler's Field Guide

Fishing Tips & Stocking Guide for Kolar Reservoir 1

Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in Montana.

Post-Plant Behavior & Timing

Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Kolar Reservoir 1, they typically congregate in schools near public access points, boat ramps, or inlets for the first 24 to 48 hours while adjusting to natural water conditions.

Since Kolar Reservoir 1 was last stocked May 15, 2026, anglers visiting within 1 to 2 weeks of a reported event generally experience the highest activity before fish disperse into deeper cover.

State Regulations & Licensing

  • •Fishing License: A valid Montana freshwater fishing license is required for anglers age 16 and older.Purchase Montana license online →
  • •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by Montana fish & wildlife agency.Official Montana regulations guidebook →
  • •Ethical Conservation: Use barbless hooks and keep fish submerged in water during unhooking.Trout Thermal Advisory: When water temperatures rise above 68°F (20°C), released trout face severe mortality from thermal exhaustion. Target warmwater species or fish early in the morning when lakes and streams warm up.

Recommended Tackle & Presentations

Techniques tailored to the species stocked in Kolar Reservoir 1:

Stocked Trout Tactics

Use light 4–6 lb monofilament or fluorocarbon line. Float scented dough bait (PowerBait) 12–18" off bottom using a sliding slip-sinker rig with a size 14–16 treble hook. For active casting, throw 1/16 to 1/8 oz inline spinners (Panther Martin, Rooster Tail) or small spoons (Kastmaster) along drop-offs.

Bass & Panfish Approach

Target visible structure such as docks, weed lines, and fallen trees. Small 1/32 to 1/16 oz jig heads with soft plastic grubs or live worms under a float work well for crappie and bluegill; soft plastic worms or spinnerbaits work well for bass.

Kokanee & Salmon Tactics

Troll small dodgers followed by micro-hoochies or wedding ring spinners tipped with shoepeg corn. Use downriggers or lead-core line to reach cooler thermocline depths (typically 20–50 ft in summer).

Rainbow Trout Profile Tips

The most commonly targeted stocked trout in the country, taken on bait, spinners, and flies alike; a common first fish for new anglers.

Brook Trout Profile Tips

A favorite of high-country and small-stream anglers; often more willing to strike than brown or rainbow trout in the same water.

Recommended Tackle for Kolar Reservoir 1

Field-tested tackle and presentations matched to the species stocked here.

Hatchery Trout FavoriteBerkley

Berkley PowerBait Floating Trout Dough

Hatchery-raised trout are conditioned to pelleted scents; scented dough floated 12–18 inches off bottom consistently triggers strikes.

Top Casting LurePanther Martin

Panther Martin Classic Teardrop Inline Spinner

The heavy convex blade spins instantly upon retrieval, sending vibration through the water that triggers aggressive reaction bites along drop-offs.

Essential RiggingEagle Claw

Sliding Sinker & Treble Hook Rigging Kit

Sliding egg sinkers allow cautious trout to run with bait without feeling line drag, while size 14–16 treble hooks keep dough bait securely pinned.

Proven Bass StapleYamamoto

Gary Yamamoto 5-inch Custom Senko Stickbaits

The heavy salt-impregnated plastic produces a unique horizontal shimmy on the fall around weed beds, docks, and submerged timber.

As an Amazon Associate, StockedWaters earns from qualifying purchases at no additional cost to you. Recommendations are chosen for hatchery-conditioned fish behavior and ethical rigging. We may receive a referral commission if you buy through these links. Read our editorial policy & standards.

Nearby stocked waters

Other stocked waters near Kolar Reservoir 1, freshest activity first.

Stocking history

Most recent stockings first. Dates shown at the precision the agency reported.

DateSpeciesNumberSizeSource
May 15, 2026Rainbow Trout1,4007.59"Montana fish & wildlife agency
May 27, 2025Rainbow Trout1,5007.31"Montana fish & wildlife agency
May 15, 2024Rainbow Trout1,5007.06"Montana fish & wildlife agency
May 15, 2023Rainbow Trout1,5007.03"Montana fish & wildlife agency
May 19, 2022Rainbow Trout1,5007.54"Montana fish & wildlife agency
May 19, 2021Rainbow Trout1,5007.4"Montana fish & wildlife agency
June 3, 2020Rainbow Trout1,5007.51"Montana fish & wildlife agency
June 4, 2019Rainbow Trout1,5007.1"Montana fish & wildlife agency
Show 42 more stocking records →
DateSpeciesNumberSizeSource
June 5, 2018Rainbow Trout1,0006.72"Montana fish & wildlife agency
June 1, 2017Rainbow Trout1,5008.5"Montana fish & wildlife agency
May 21, 2015Rainbow Trout1,7477.06"Montana fish & wildlife agency
July 2, 2014Brook Trout1,0344.26"Montana fish & wildlife agency
May 22, 2014Rainbow Trout1,5047.88"Montana fish & wildlife agency
July 23, 2013Brook Trout1,0574.74"Montana fish & wildlife agency
June 11, 2013Rainbow Trout1,5037.99"Montana fish & wildlife agency
June 18, 2012Brook Trout1,0004.1"Montana fish & wildlife agency
June 18, 2012Rainbow Trout1,5007.8"Montana fish & wildlife agency
June 2, 2011Rainbow Trout1,5007.7"Montana fish & wildlife agency
April 29, 2011Brook Trout1,0002.7"Montana fish & wildlife agency
June 3, 2010Rainbow Trout1,5007.3"Montana fish & wildlife agency
June 10, 2009Rainbow Trout1,5007"Montana fish & wildlife agency
June 3, 2008Rainbow Trout1,5007.8"Montana fish & wildlife agency
June 19, 2007Rainbow Trout1,5007.5"Montana fish & wildlife agency
May 31, 2006Rainbow Trout1,5006.5"Montana fish & wildlife agency
June 7, 2005Rainbow Trout1,5007.4"Montana fish & wildlife agency
June 3, 2003Rainbow Trout1,5006.8"Montana fish & wildlife agency
June 14, 2000Walleye2,0001.2"Montana fish & wildlife agency
June 8, 2000Rainbow Trout1,5006.6"Montana fish & wildlife agency
June 28, 1999Walleye2,0002"Montana fish & wildlife agency
June 3, 1999Rainbow Trout1,5006.5"Montana fish & wildlife agency
September 22, 1998Walleye1,5002.8"Montana fish & wildlife agency
June 5, 1998Rainbow Trout2,0543.2"Montana fish & wildlife agency
July 7, 1997Rainbow Trout2,0003.8"Montana fish & wildlife agency
July 11, 1996Rainbow Trout2,2003.8"Montana fish & wildlife agency
May 11, 1995Rainbow Trout2,0003.8"Montana fish & wildlife agency
May 3, 1994Rainbow Trout2,0004.4"Montana fish & wildlife agency
May 11, 1993Rainbow Trout2,0003.9"Montana fish & wildlife agency
April 15, 1992Rainbow Trout2,0004.5"Montana fish & wildlife agency
May 14, 1991Rainbow Trout2,0004.7"Montana fish & wildlife agency
April 19, 1990Rainbow Trout2,0004.1"Montana fish & wildlife agency
June 6, 1989Rainbow Trout2,0024.8"Montana fish & wildlife agency
April 14, 1988Rainbow Trout2,0014.5"Montana fish & wildlife agency
April 14, 1987Rainbow Trout2,0824.2"Montana fish & wildlife agency
April 23, 1986Rainbow Trout2,0085"Montana fish & wildlife agency
April 15, 1985Rainbow Trout2,0234"Montana fish & wildlife agency
April 19, 1984Rainbow Trout2,0005"Montana fish & wildlife agency
April 26, 1983Rainbow Trout2,0413"Montana fish & wildlife agency
May 5, 1982Rainbow Trout2,0095"Montana fish & wildlife agency
June 19, 1981Rainbow Trout2,0026"Montana fish & wildlife agency
April 21, 1980Rainbow Trout2,0807"Montana fish & wildlife agency

Showing 50 of 99 stocking records.

Frequently asked

When was Kolar Reservoir 1 last stocked?

According to Montana fish & wildlife agency, Kolar Reservoir 1 was last stocked May 15, 2026 with Rainbow Trout.

What fish species are stocked in Kolar Reservoir 1?

Kolar Reservoir 1 is stocked with Rainbow Trout, Brook Trout, Walleye, Largemouth Bass, Kokanee, and Cutthroat Trout.

What time of year is Kolar Reservoir 1 stocked?

Kolar Reservoir 1 is typically stocked in spring, most often in June.

How often is Kolar Reservoir 1 stocked?

Kolar Reservoir 1 has been stocked about 1 times a year — 99 recorded stockings between 1947 and 2026.

How many fish have been stocked in Kolar Reservoir 1?

About 316,722 fish have been stocked in Kolar Reservoir 1 across 99 recorded events since 1947, per Montana fish & wildlife agency.

What size are the fish stocked in Kolar Reservoir 1?

Fish stocked in Kolar Reservoir 1 average about 5.2 inches, based on the sizes the agency reported.

Do you need a fishing license to fish Kolar Reservoir 1?

Yes, all anglers age 16 and older generally need a valid Montana freshwater fishing license. Always review current regulations from Montana fish & wildlife agency for site-specific rules, bag limits, or stamps.

How do you catch stocked trout in Kolar Reservoir 1?

Freshly stocked trout in Kolar Reservoir 1 typically respond well to floating dough bait (such as PowerBait) floated 12–18 inches off bottom on light 4–6 lb leader, live nightcrawlers under a bobber, and small inline spinners or spoons retrieved along shorelines and drop-offs.