StockedWaters

North Polly Reservoir Fish Stocking

Montana · 19542025 on record

Source: Montana fish & wildlife agency· updated 2025-05-14

According to Montana fish & wildlife agency, North Polly Reservoir was last stocked May 14, 2025 with Rainbow Trout. North Polly Reservoir has 12 stocking records on file, spanning 1954–2025, with about 14,890 fish stocked over that period.

May 14, 2025
Last stocked
14,890
Fish stocked
3
Species
12
Stocking records

When North Polly Reservoir is stocked

North Polly Reservoir is typically stocked in spring, most often in May — 6 stocking events in that peak month.

How North Polly Reservoir's stockings spread across the calendar year.

Nearby stocked waters

Other stocked waters near North Polly Reservoir, freshest activity first.

Stocking history

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

DateSpeciesNumberSizeSource
May 14, 2025Rainbow Trout1,0003.17"Montana fish & wildlife agency
May 14, 2024Rainbow Trout1,0002.92"Montana fish & wildlife agency
May 16, 2023Rainbow Trout1,0002.63"Montana fish & wildlife agency
May 10, 2022Rainbow Trout1,0003.25"Montana fish & wildlife agency
June 1, 2021Rainbow Trout1,0003.1"Montana fish & wildlife agency
May 11, 2020Rainbow Trout1,0003.21"Montana fish & wildlife agency
May 3, 2018Rainbow Trout2,0002.47"Montana fish & wildlife agency
April 7, 2016Rainbow Trout2,0002.09"Montana fish & wildlife agency
Show 4 more stocking records
DateSpeciesNumberSizeSource
April 16, 2014Rainbow Trout2,0002.08"Montana fish & wildlife agency
June 27, 2012Rainbow Trout2,0153.8"Montana fish & wildlife agency
October 13, 1954Bluegill7502"Montana fish & wildlife agency
October 13, 1954Largemouth Bass1254"Montana fish & wildlife agency

Frequently asked

When was North Polly Reservoir last stocked?

According to Montana fish & wildlife agency, North Polly Reservoir was last stocked May 14, 2025 with Rainbow Trout.

What fish species are stocked in North Polly Reservoir?

North Polly Reservoir is stocked with Rainbow Trout, Bluegill, and Largemouth Bass.

What time of year is North Polly Reservoir stocked?

North Polly Reservoir is typically stocked in spring, most often in May.

How often is North Polly Reservoir stocked?

North Polly Reservoir is stocked intermittently — 12 recorded stockings between 1954 and 2025.

How many fish have been stocked in North Polly Reservoir?

About 14,890 fish have been stocked in North Polly Reservoir across 12 recorded events since 1954, per Montana fish & wildlife agency.

What size are the fish stocked in North Polly Reservoir?

Fish stocked in North Polly Reservoir average about 2.9 inches, based on the sizes the agency reported.

How this is calculated: compiled automatically from Montana fish & wildlife agency open data — normalized, date-validated, and shown only at the precision the agency reported. Sources & methodology →

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