Lake GR-173 fishing
Lake GR-173 was last stocked on July 15, 2026 with 402 brook trout (3.5 in. average), according to the Utah DWR fish stocking report. It is a lake in Summit County, Utah. From 2021 to 2026, DWR stocked 1,211 fish here, the 97th most of 183 stocked waters in Summit County.
Recent stockings at Lake GR-173
- July 15, 2026402 brook trout, 3.5 in. average
- June 28, 2024401 brook trout, 2.9 in. average
- June 29, 2022408 brook trout, 2.8 in. average
- July 6, 2020402 brook trout, 3.5 in. average
- July 11, 2018399 brook trout, 2.9 in. average
- July 26, 2016430 brook trout, 2.4 in. average
Newest first, from the Utah DWR stocking report. Full stocking history.
Lake GR-173 facts
- Last stocked
- July 15, 2026 (118 days ago): 402 brook trout
- Stockings in 2026
- 1 (402 fish): 402 brook trout
- County
- Summit County
- Stocked since 2021
- brook trout
- Average size stocked
- 3.1 in. (2021 to 2026)
- County rank
- 97th most fish of 183 stocked waters in Summit County since 2021
- Name in DWR report
- GR-173
- Nearest water
- Lake GR-172, 0.1 mi
- Rules
- Statewide rules (no water-specific entry in the 2026 guidebook)
Lake GR-173 stocking report, last 12 months
| July 15, 2026 | Brook trout | 402 | 3.5 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.
Lake GR-173 stocking profile
- First record in the DWR report: June 28, 2002. Since then DWR has logged 13 stockings here in 13 different years, 5,087 fish in all.
- Species stocked 2021 to 2026, by share of fish: brook trout 100% (1,211 fish).
- Busiest months in the record: July (77% of records) and June (23% of records).
- Stocked fish averaged 3.1 in. from 2021 to 2026 (per-record averages ranged from 2.8 to 3.5 in.).
- Fish stocked 2021 to 2026: 1,211, the 97th most of 183 stocked waters in Summit County and 752nd of 1,076 statewide.
- Nearest other water with a page: Lake GR-172, 0.1 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 Lake GR-173 stocked?
Stocked in 2 of the last 5 years (2021 to 2025). We show a pattern only when a water was stocked in at least 3 of the last 5 years, so this page shows the stocking history only.
DWR does not publish stocking schedules. How we read stocking patterns.
Lake GR-173 stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2026 | 1 | 402 | 3.5 in. | Brook trout |
| 2024 | 1 | 401 | 2.9 in. | Brook trout |
| 2022 | 1 | 408 | 2.8 in. | Brook trout |
| 2020 | 1 | 402 | 3.5 in. | Brook trout |
| 2018 | 1 | 399 | 2.9 in. | Brook trout |
| 2016 | 1 | 430 | 2.4 in. | Brook trout |
| 2014 | 1 | 251 | 2.4 in. | Brook trout |
| 2012 | 1 | 391 | 2.3 in. | Brook trout |
| 2010 | 1 | 403 | 2.8 in. | Brook trout |
| 2008 | 1 | 400 | 2.9 in. | Brook trout |
| 2006 | 1 | 399 | 2.9 in. | Brook trout |
| 2004 | 1 | 408 | 2.5 in. | Brook trout |
| 2002 | 1 | 393 | 2.3 in. | Brook trout |
All stocking records 2021 to Nov. 10, 2025 (2)
| June 28, 2024 | Brook trout | 401 | 2.9 in. |
| June 29, 2022 | Brook trout | 408 | 2.8 in. |
Fishing rules
No water-specific entry for Lake GR-173 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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Lake GR-173 questions
When was Lake GR-173 last stocked?
The most recent stocking in the DWR report is dated July 15, 2026: 402 brook trout.
What fish are in Lake GR-173?
Since 2021 DWR has stocked brook trout.
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.