Reservoir Report

Tinemaha Reservoir reservoir

California, USA USBR
Today high
--
Tonight low
--
Current storage
2,996acre-ft
% of normal
34%
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Right now · current storage
Tinemaha Reservoir
USBR · TNM
2,996 acre-ft
As of 2026-05-11
Seasonal avg
2,228
Record max
9,294
24h change
3.2%
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Tinemaha Reservoir -- None reservoir
Tinemaha Reservoir None
About this reservoir

Tinemaha Reservoir

Tinemaha Reservoir is located in the eastern Sierra Nevada Mountains of California, and was created in 1957 to provide irrigation water to the Owens Valley. The reservoir is fed by snowpack from the surrounding mountains and by the Tinemaha Creek, which flows into the reservoir from the south. The hydrology of the reservoir is managed by the Los Angeles Department of Water and Power (LADWP), which controls the flow of water in the Tinemaha Creek and the diversion of water to irrigation canals. The reservoir is also used for recreational purposes, including fishing and boating, although access is limited. The surrounding area is used for agriculture, with alfalfa and other crops grown using water from the reservoir. The Tinemaha Reservoir is an important source of water for the Owens Valley, and its management is critical for the sustainability of the local ecosystem and agricultural economy.

StateNone
OperatorUSBR
Site IDTNM
Percent of normal34%
Last updated2026-05-11
Records since2021
Storage trends

Daily levels at Tinemaha Reservoir

Storage volume, pool elevation, and total release plotted from the operating agency's daily observations.

Storage

acre-ft · code 2

Detailed forecast

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.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

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.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Regional inflow

Nearby streamflow gauges

USGS streamgauges around Tinemaha Reservoir -- inflows here typically show up in storage 24-72 hours later.

Track Tinemaha Reservoir 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").

FAQ

About Tinemaha Reservoir

Where does the data for Tinemaha Reservoir 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.

More reservoirs

Other water bodies near here

Snoflo-tracked reservoirs and dams within driving distance of Tinemaha Reservoir.

Premium feature

Favorites and alerts are part of Snoflo Premium. Save reservoirs, set storage thresholds, and get push notifications when conditions cross.

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Manage alerts in the Snoflo app

Custom alerts are configured in the iOS app -- favorite this reservoir, set a threshold, and you'll get a push the moment conditions cross.

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