Blue Mesa Reservoir

Gunnison River · Colorado · Full pool 7,519′ 5″ · USBR · HYDRODATA
Latest data from —
Surface level
Listening for the surface…
vs Yesterday
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vs 30 days
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vs 60 days
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The shape of the year

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Drawing the tideline…

Boat ramps

NPS thresholds · projection from avg rate since peak
Ramp Closes
at Margin Projected
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Lake news

Updates · marina & access

See the shoreline

Interactive map · DEM contours
Watch the lake recede through the season
Explore the interactive map →

Season trajectory

year so far · since Jan 1
Peak below fullsince Jan 1
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Lost since peak
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Avg rate since peaktrailing average
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Current volume% of active capacity · 829,500 af
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Inflow / Outflowcubic ft/s in vs out
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Netinflow − outflow · today
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Projected lowBOR 24-Month Study · May 15, 2026
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Weather at Blue Mesa (Sapinero)

via Windy · 10-day meteogram
Open in Windy  ↗

Flow balance

Daily inflow vs outflow · since Jan 1
Reading the river…
Inflow Outflow Lake gaining Lake losing

Daily log

Since Jan 1 · most recent first
Date Elevation Below
full		 Change Inflow
cfs		 Outflow
cfs
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Lake history

Peak & minimum per year · BOR record
Reading the record…
Annual peak Annual minimum Full pool (7,519′ 5″)
Year Peak
below full		 Min
below full		 Range
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