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Gauge Information
Gauge Description:
Min and max flow are just a rough guide. Modern-day flows are limited by maximum output from the river outlet works and power plant which is 48,200 cfs. Historically flows were regularly greater than 100,000 cfs during spring snow melt, but now that can only occur if the reservoir reaches the spillways.
Gage:
Lees Ferry
Historical flow At Lees Ferry
USGS reports flows at several locations along the river.
Colorado River near Grand Canyon, AZ
Colorado River above Diamond Creek near Peach Springs, AZ
Lake Mead reservoir levels are reported by the Bureau of Reclamation in feet. Google maps reports in meters.
A lake elevation of 1105 feet (sept. 2008) is equivalent to 337 meters. At this elevation the river meets lake near the end of Iceburg Canyon, which is 6 miles from South Cove.
Gauge Information
| Name | Range | Difficulty | Updated | Level | ||||||||
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| COLORADO RIVER ABOVE DIAMOND CREEK NR PEACH SPRING | ||||||||||||
| usgs-09404200 | 4000 - 48000 cfs | III-IV | 01h13m | 11800 cfs (rc= 0.2 ) | ||||||||
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| COLORADO RIVER NEAR GRAND CANYON, AZ | ||||||||||||
| usgs-09402500 | 4000 - 48000 cfs | III-IV | 00h28m | 9320 cfs (rc= 0.1 ) | ||||||||
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| COLORADO RIVER AT LEES FERRY, AZ | ||||||||||||
| usgs-09380000 | 4000 - 48000 cfs | III-IV | 00h43m | 9860 cfs (rc= 0.1 ) | ||||||||
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