Trial Lake reservoir
Trial Lake
Trial Lake is a popular destination in the Uinta Mountains of Utah. It was named after a party of explorers who camped there in 1876. The lake is fed by snowmelt and several small streams, and is part of the upper Provo River system. Its watershed receives over 15 feet of snow annually, providing a significant contribution to the Provo River’s overall flow. Trial Lake also serves as a recreational hub, with hiking, fishing, and camping being popular activities. The surrounding area is also used for cattle grazing. Additionally, Trial Lake serves as a valuable source of water for irrigation and other agricultural uses downstream.
Daily levels at Trial Lake
Storage volume, pool elevation, and total release plotted from the operating agency's daily observations.
Storage
acre-ft · code 17
Inflow
cfs · code 29
Pool Elevation
ft · code 49
Total Release
cfs · code 42
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around Trial Lake -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Provo River Near Woodland | 831 cfs | → |
| Weber River Near Oakley | 512 cfs | → |
| Provo River Near Hailstone | 792 cfs | → |
| Bear River Near Utah-Wyoming State Line | 599 cfs | → |
| Weber River Near Peoa | 400 cfs | → |
| Lake Fork River Ab Moon Lake | 281 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Trial Lake.
⚓ Boat launches
- Rock Cliff Boat Ramp
- Forest Service Road Wasatch County
- State Route 319 Wasatch County
- Deer Creek State Park- Charleston Day Use Area
⛺ Campgrounds
- Washington Lake
- Trial Lake
- Washington Lake Campground
- Lilly Lake
- Lilly Lake Campground
- Moosehorn Campground
🎣 Fishing spots
More fishing →🛶 Paddle runs
- Upper Provo Falls
- Upper Slate Gorge
- Source To Mouth
- Source To Holiday Park
- Source To Wilderness Boundary
🛡 More reservoirs
More reservoirs →Track Trial Lake in the Snoflo app
Save this reservoir as a favorite and set push alerts when storage crosses a threshold (e.g. "alert me at 80% of normal").
About Trial Lake
Where does the data for Trial Lake come from?
Daily storage, pool elevation, and release rates are sourced from USGS, USBR, and USACE monitoring stations. Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
Storage observations are updated daily by the operating agency. The 15-day weather forecast refreshes throughout the day. Snoflo caches and renders the most recent observation -- check the "as of" timestamp on the storage card.
What does the Hazard hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this reservoir, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Trial Lake.