Twin Lakes Reservoir fishing

Twin Lakes Reservoir was last stocked on July 22, 2026 with 4,016 cutthroat trout (2.0 in. average), according to the Utah DWR fish stocking report. It is a reservoir in Salt Lake County, Utah. From 2021 to 2026, DWR stocked 26,095 fish here, the 11th most of 38 stocked waters in Salt Lake County.

Stocking data fetched Nov. 10, 2026.
Last stockedJuly 22, 2026111 days ago, cutthroat trout
Fish stocked in 20264,0161 record
Records since 20216History back to 2002
SizeApproximately 29 acresas listed by DWR

Recent stockings at Twin Lakes Reservoir

  1. July 22, 20264,016 cutthroat trout, 2.0 in. average
  2. Sept. 17, 20254,035 cutthroat trout, 2.3 in. average
  3. Sept. 24, 20244,040 cutthroat trout, 2.3 in. average
  4. Sept. 19, 20224,000 cutthroat trout, 2.4 in. average
  5. June 27, 20225,004 brook trout, 2.8 in. average
  6. Sept. 21, 20215,000 cutthroat trout, 2.5 in. average

Newest first, from the Utah DWR stocking report. Full stocking history.

Twin Lakes Reservoir facts

Last stocked
July 22, 2026 (111 days ago): 4,016 cutthroat trout
Stockings in 2026
1 (4,016 fish): 4,016 cutthroat trout
County
Salt Lake County
Size
Approximately 29 acres
Stocked since 2021
cutthroat trout and brook trout
Likely catch (DWR)
cutthroat trout
Average size stocked
2.4 in. (2021 to 2026)
County rank
11th most fish of 38 stocked waters in Salt Lake County since 2021
Name in DWR report
TWIN L
Nearest water
Silver Lake (Big Cottonwood Canyon), 0.8 mi
Rules
Statewide rules (no water-specific entry in the 2026 guidebook)

Twin Lakes Reservoir stocking report, last 12 months

Twin Lakes Reservoir: DWR stocking records since Nov. 10, 2025, newest first.
July 22, 2026 Cutthroat trout 4,016 2.0 in.

Source: Utah DWR fish stocking report. Stocking data fetched Nov. 10, 2026; newest record dated Nov. 19, 2026. DWR posts stockings after they happen and does not publish schedules.

Twin Lakes Reservoir stocking profile

  • First record in the DWR report: Oct. 9, 2002. Since then DWR has logged 17 stockings here in 16 different years, 74,780 fish in all.
  • Species stocked 2021 to 2026, by share of fish: cutthroat trout 81% (21,091 fish) and brook trout 19% (5,004 fish).
  • Busiest months in the record: September (59% of records) and October (24% of records).
  • Stocked fish averaged 2.4 in. from 2021 to 2026 (per-record averages ranged from 2.0 to 2.8 in.).
  • Fish stocked 2021 to 2026: 26,095, the 11th most of 38 stocked waters in Salt Lake County and 201st of 1,076 statewide.
  • Nearest other water with a page: Silver Lake (Big Cottonwood Canyon), 0.8 mi away.

Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.

When is Twin Lakes Reservoir stocked?

Based on DWR stocking records, 2021 to 2025. Stocked in 4 of those 5 years.

mid to late Septemberstocked in 4 of the last 5 years, mostly cutthroat trout.

2025 stocking: 1 record, first on Sept. 17.

Years with a stocking in each third of the month, 2021 to 2025:012345

DWR does not publish stocking schedules. This is past stocking, not a promise. How we read patterns.

Twin Lakes Reservoir stocking history by year

Twin Lakes Reservoir: DWR stocking records per year. Fish counts are totals of all records that year; average length is weighted by the number of fish.
YearRecordsFishAvg. lengthSpecies
202614,0162.0 in.Cutthroat trout
202514,0352.3 in.Cutthroat trout
202414,0402.3 in.Cutthroat trout
202229,0042.6 in.Cutthroat trout, Brook trout
202115,0002.5 in.Cutthroat trout
202013,5012.1 in.Cutthroat trout
201917,0042.4 in.Cutthroat trout
201513,0082.5 in.Brook trout
201313,9902.4 in.Cutthroat trout
201217,0012.2 in.Cutthroat trout
200714,9841.9 in.Cutthroat trout
200615,0471.4 in.Cutthroat trout
200513,0001.4 in.Cutthroat trout
200415,0701.9 in.Cutthroat trout
200313,5922.7 in.Cutthroat trout
200212,4882.2 in.Cutthroat trout
All stocking records 2021 to Nov. 10, 2025 (5)
Twin Lakes Reservoir: DWR stocking records 2021 to Nov. 10, 2025.
Sept. 17, 2025 Cutthroat trout 4,035 2.3 in.
Sept. 24, 2024 Cutthroat trout 4,040 2.3 in.
Sept. 19, 2022 Cutthroat trout 4,000 2.4 in.
June 27, 2022 Brook trout 5,004 2.8 in.
Sept. 21, 2021 Cutthroat trout 5,000 2.5 in.

Fishing rules

No water-specific entry for Twin Lakes Reservoir in the 2026 guidebook: statewide limits apply unless a group entry (such as a drainage) covers it.

From the 2026 Utah Fishing Guidebook, in our own words. Rules can change mid-year: check wildlife.utah.gov/guidebooks before fishing.

Access and facilities

Other activities
Hiking, Wildlife watching
Facilities
Trails/shoreline paths
Camping
Backpacking

Facility list from DWR Fish Utah. Check with the land manager before you go; facilities close seasonally.

Email alerts

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Waters
Twin Lakes Reservoir
Alert types

Twin Lakes Reservoir questions

When is Twin Lakes Reservoir stocked?

DWR does not publish stocking schedules. Past records show Twin Lakes Reservoir was stocked in mid to late September (4 of the last 5 years). The most recent stocking in the DWR report is dated July 22, 2026.

What fish are in Twin Lakes Reservoir?

DWR lists cutthroat trout as likely catches. Since 2021 DWR has stocked cutthroat trout and brook trout.

Sources

Stocking: Utah DWR fish stocking report, fetched Nov. 10, 2026. Size, program, species and facilities: DWR Fish Utah. Location: Utah DWR, USGS NHD. Rules: 2026 Utah Fishing Guidebook. Page built Nov. 10, 2026. Found an error? Tell us. Verify rules with DWR before fishing.