Reservoir Report

Horseshoe Reservoir At Horseshoe Dam reservoir

Arizona, USA USGS
Today high
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Tonight low
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Current storage
105ft
% of normal
13%
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Right now · current storage
Horseshoe Reservoir At Horseshoe Dam
USGS · 09509501
105 ft
As of 2026-05-12
Seasonal avg
93
Record max
127
24h change
0.1%
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Horseshoe Reservoir At Horseshoe Dam -- None reservoir
Horseshoe Reservoir At Horseshoe Dam None
About this reservoir

Horseshoe Reservoir At Horseshoe Dam

Horseshoe Reservoir is located in central Arizona, formed by the Horseshoe Dam on the Verde River. The dam was constructed in 1944 for hydroelectric power and irrigation purposes. The reservoir has a storage capacity of 209,000 acre-feet and is primarily fed by snowmelt and runoff from the surrounding mountains. The reservoir provides water for irrigation, recreation, and fish and wildlife habitat. The area surrounding Horseshoe Reservoir is popular for camping, boating, fishing, and hiking. The reservoir is also an important source of water for nearby cities and towns, including Phoenix. The surface flow of the reservoir is primarily provided by the Verde River, while snowpack from the surrounding mountains contributes to the reservoir's water supply. Horseshoe Reservoir is a valuable resource for the region's agricultural and recreational needs.

StateNone
OperatorUSGS
Site ID09509501
Percent of normal13%
Last updated2026-05-12
Records since2007
Storage trends

Daily levels at Horseshoe Reservoir At Horseshoe Dam

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

Reservoir storage, acre-ft

ac-ft · code 00054

Gage height, ft

ft · code 00065

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 Horseshoe Reservoir At Horseshoe Dam -- inflows here typically show up in storage 24-72 hours later.

Track Horseshoe Reservoir At Horseshoe Dam 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 Horseshoe Reservoir At Horseshoe Dam

Where does the data for Horseshoe Reservoir At Horseshoe Dam 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.

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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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