Utah Fishing Stocking alerts

Diamond Fork Creek fishing

Diamond Fork Creek was last stocked on Sept. 28, 2026 with 9,077 cutthroat trout (2.7 in. average), according to the Utah DWR fish stocking report. It is a river or stream in Utah County, Utah. From 2021 to 2026, DWR stocked 41,690 fish here, the 13th most of 58 stocked waters in Utah County.

Utah County
Stocking data fetched Nov. 10, 2026.
Last stockedSept. 28, 202643 days ago, cutthroat trout
Fish stocked in 202614,1023 records
Records since 202111History back to 2006
Stocked species1cutthroat trout

Recent stockings at Diamond Fork Creek

  1. Sept. 28, 20269,077 cutthroat trout, 2.7 in. average
  2. June 22, 20265,025 cutthroat trout, 2.2 in. average
  3. Aug. 13, 20254,016 cutthroat trout, 2.2 in. average
  4. Oct. 16, 20235,998 cutthroat trout, 2.5 in. average
  5. Oct. 20, 20225,020 cutthroat trout, 2.7 in. average
  6. Nov. 16, 20217,540 cutthroat trout, 2.7 in. average

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

Diamond Fork Creek facts

Last stocked
Sept. 28, 2026 (43 days ago): 9,077 cutthroat trout
Stockings in 2026
3 (14,102 fish): 14,102 cutthroat trout
County
Utah County
Stocked since 2021
cutthroat trout
Average size stocked
2.5 in. (2021 to 2026)
County rank
13th most fish of 58 stocked waters in Utah County since 2021
Name in DWR report
DIAMOND FK CR
Nearest water
Little Diamond Creek, 5.3 mi
Rules
Statewide rules (no water-specific entry in the 2026 guidebook)

Diamond Fork Creek stocking report, last 12 months

Diamond Fork Creek: DWR stocking records since Nov. 10, 2025, newest first.
Sept. 28, 2026 Cutthroat trout 4,025 2.7 in.
Sept. 28, 2026 Cutthroat trout 5,052 2.7 in.
June 22, 2026 Cutthroat trout 5,025 2.2 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.

Diamond Fork Creek stocking profile

  • First record in the DWR report: Oct. 31, 2006. Since then DWR has logged 17 stockings here in 9 different years, 90,434 fish in all.
  • Species stocked 2021 to 2026, by share of fish: cutthroat trout 100% (41,690 fish).
  • Busiest months in the record: October (47% of records) and September (24% of records).
  • Stocked fish averaged 2.5 in. from 2021 to 2026 (per-record averages ranged from 2.2 to 2.8 in.).
  • Fish stocked 2021 to 2026: 41,690, the 13th most of 58 stocked waters in Utah County and 132nd of 1,076 statewide.
  • Nearest other water with a page: Little Diamond Creek, 5.3 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 Diamond Fork Creek stocked?

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

mid Octoberstocked in 3 of the last 5 years, mostly cutthroat trout.

2025 stocking: 1 record, first on Aug. 13.

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.

Diamond Fork Creek stocking history by year

Diamond Fork Creek: 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
2026314,1022.5 in.Cutthroat trout
202514,0162.2 in.Cutthroat trout
202315,9982.5 in.Cutthroat trout
202225,0202.7 in.Cutthroat trout
2021412,5542.5 in.Cutthroat trout
202029,5292.2 in.Cutthroat trout
201913,5172.5 in.Cutthroat trout
2007110,0482.2 in.Cutthroat trout
2006225,6502.0 in.Cutthroat trout
All stocking records 2021 to Nov. 10, 2025 (8)
Diamond Fork Creek: DWR stocking records 2021 to Nov. 10, 2025.
Aug. 13, 2025 Cutthroat trout 4,016 2.2 in.
Oct. 16, 2023 Cutthroat trout 5,998 2.5 in.
Oct. 20, 2022 Cutthroat trout 4,102 2.7 in.
Oct. 20, 2022 Cutthroat trout 918 2.6 in.
Nov. 16, 2021 Cutthroat trout 4,376 2.8 in.
Nov. 16, 2021 Cutthroat trout 531 2.5 in.
Nov. 16, 2021 Cutthroat trout 2,633 2.6 in.
Oct. 13, 2021 Cutthroat trout 5,014 2.3 in.

Fishing rules

No water-specific entry for Diamond Fork Creek 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.

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Waters
Diamond Fork Creek
Alert types

Diamond Fork Creek questions

When is Diamond Fork Creek stocked?

DWR does not publish stocking schedules. Past records show Diamond Fork Creek was stocked in mid October (3 of the last 5 years). The most recent stocking in the DWR report is dated Sept. 28, 2026.

What fish are in Diamond Fork Creek?

Since 2021 DWR has stocked cutthroat trout.

Sources

Stocking: Utah DWR fish stocking report, fetched Nov. 10, 2026. 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.