Tulloch reservoir
Tulloch
Tulloch is a reservoir located in the Sierra Nevada Mountains of California. It was created in 1955 with the construction of the Tulloch Dam on the Stanislaus River. The reservoir has a total capacity of 83,000 acre-feet and is used to provide irrigation water for agriculture and to generate hydroelectric power. The hydrology of the area is heavily impacted by the snowpack in the surrounding mountains, which provides a significant amount of the surface flow into the reservoir during the spring and summer months. The lake is a popular destination for recreational activities such as boating, fishing, and camping. The surrounding area is also home to many vineyards and orchards that rely on the irrigation water provided by the reservoir.
Daily levels at Tulloch
Storage volume, pool elevation, and total release plotted from the operating agency's daily observations.
Storage
acre-ft · code 2
Pool Elevation
ft · code 1
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 Tulloch -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Black C Nr Copperopolis Ca | 1 cfs | → |
| Modesto Cn Nr La Grange Ca | 586 cfs | → |
| Tuolumne R Bl Lagrange Dam Nr Lagrange Ca | 182 cfs | → |
| Turlock Cn Nr La Grange Ca | 1,080 cfs | → |
| Big C Ab Whites Gulch Nr Groveland Ca | 1 cfs | → |
| Tuolumne R A Modesto Ca | 183 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Tulloch.
Boat launches
Campgrounds
- South Lake Tulloch R.V. Campground & Marina
- Horseshoe Road Recreation Area & Campground
- Acorn - Tuttletown Area - New Melones Lake
- Ironhorse- Glory Hole Area - New Melones Lake
- Chamise - Tuttletown Area - New Melones Lake
- Manzanita - Tuttletown Area - New Melones Lake
Fishing spots
Paddle runs
- Confluence With North Fork And Middle Fork Stanislaus To Clark Flat
- Sandbar To Confluence With North Fork Stanislaus River
- Clavey River From Cottonwood Road To Confluence With Tuolumne
- Below Mckay's Reservoir To Confluence With Middle Fork Stanislaus River
- Confluence With Middle Fork Tuolumne River To Confluence With Tuolumne River
- One Mile Downstream Of State Park Boundary In Sec 24, T5n, R15e To Mckay's Reservoir
More reservoirs
Track Tulloch 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 Tulloch
Where does the data for Tulloch 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 Tulloch.