River stage
Greendale, Green River
- River level
- 9.38 ft
- Status
- Below flood stage
- 7-day change
- -0.64 ft
- Recent high
- 10.15 ft
- Recent low
- 9.11 ft
Last reported 2026-10-13 | NWS GRZU1
- 30-day change
- -0.65 ft
- Average
- 9.68 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 16.20 ft
In brief
The Green River at Greendale, UT read 9.38 ft on Oct 13, 2026, 5.62 ft below action stage. That is 0.65 ft lower than 30 days earlier.
Source: National Weather Service gauge GRZU1
Water 50 °F (10 °C) · 3 °F cooler than normal for this date
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 16.20 ft | 1999-06-14 |
| 2 | 15.13 ft | 2022-05-27 |
| 3 | 15.13 ft | 2020-05-30 |
| 4 | 15.05 ft | 2019-06-15 |
| 5 | 15.01 ft | 2016-06-19 |
| 6 | 15.00 ft | 2014-06-07 |
| 7 | 14.92 ft | 2017-03-30 |
| 8 | 14.76 ft | 1997-06-16 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 15.40 ft
Forest service walkways at the boatlaunch below the dam become inundated. Campground 5 miles downstream from the dam becomes flooded.
Written by the local National Weather Service forecast office for this exact gauge.
Trout stocking on the Green River
UDWR stocked the Green River 11 times in 2026, 36,562 fish in total. Rainbow trout and Chub and Cutbow at 11.19 and 11.41. UDWR's published figures for 2026, the most recent season it has confirmed, record 16,157 trout actually released here across 11 visits.
| Species | Fish | When |
|---|---|---|
| Rainbow trout | 2,884 | March 2026 |
| Rainbow trout | 4,872 | March 2026 |
| Rainbow trout | 4,758 | March 2026 |
| Chub | 4,339 | April 2026 |
| Chub | 4,022 | April 2026 |
| Chub | 8 | April 2026 |
| Rainbow trout | 1,328 | July 2026 |
| Rainbow trout | 1,675 | July 2026 |
| Rainbow trout | 640 | August 2026 |
| Cutbow | 6,018 | September 2026 |
| Cutbow | 6,018 | September 2026 |
UDWR lists a week or a month rather than a date, and counts fish as an estimate. Full Utah stocking schedule →
Frequently asked questions
Is the Green River flooding at Greendale?
No. The Green River at Greendale is at 9.38 ft, 5.62 ft below action stage.
What is the flood stage at Greendale?
The National Weather Service sets action stage 15 ft, minor flooding 15.4 ft, moderate flooding 17 ft and major flooding 19 ft.
What is the highest the Green River has been at Greendale?
The highest crest on record is 16.2 ft, on 1999-06-14.
Is the Green River high or low right now at Greendale?
At 9.38 ft it is higher than 25% of readings over the last 122 days.
How warm is the water at Greendale, Green River?
The water temperature at Greendale, Green River is 50 °F (10.1 °C), measured 7:30 pm by USGS, which is 3 °F cooler than normal for this date over the past ten years. It has held steady over the last 24 hours.
Stage and flood information from the NOAA National Weather Service (gauge GRZU1); daily history from the U.S. Geological Survey (site 09234500). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.