Green-Colorado basin

Name: Green-Colorado basin
Creator: The Waterline
Keywords: Green-Colorado basin, reservoir storage, river basin, Utah / Wyoming

Reservoir storage across Utah / Wyoming

Data through Aug 12, 2026 · source last checked Aug 13, 2026 · page revised Aug 13, 2026

Cite

Green-Colorado basin storage is 13% below its 5-yr median. The Waterline, data through Aug 12, 2026. https://the-waterline.com/basin/green-colorado

acre-feet

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<a href="https://the-waterline.com/basin/green-colorado?utm_source=embed&utm_medium=chart">
  <img src="https://the-waterline.com/charts/basin/green-colorado/chart.png" alt="Green-Colorado basin storage — Aug 12, 2026" width="720" style="max-width:100%;height:auto;border:0"/>
</a>
<p style="font-size:12px;margin:4px 0 0">Source: <a href="https://the-waterline.com/basin/green-colorado?utm_source=embed&utm_medium=credit">The Waterline</a> · updates automatically</p>
<p style="font-size:11px;color:#6b6b6b;margin:2px 0 0">About this data: US Bureau of Reclamation RISE; California reservoirs via CA DWR CDEC · Reservoir storage summed across the basin · Green-Colorado basin · acre-feet · Daily reading · through Aug 12, 2026</p>

Free to republish with attribution. The chart updates automatically as new data lands.

About this data

Source: US Bureau of Reclamation RISE; California reservoirs via CA DWR CDEC
Series: Reservoir storage summed across the basin
Geography: Green-Colorado basin
Unit: acre-feet
Calculation: Daily reading
Last observation: Aug 12, 2026
Update frequency: Daily

Now 2.93M af, 13% below the 5-yr median.

Green-Colorado basin storage stands at 2.93M af, 13% below the 5-year median. The basin dropped 0.6% on the week and has fallen 13.2% year over year.

The numbers
Period	Current	Prior	Change
Week over week	2.93M af	2.95M af	-0.6%
Month over month	2.93M af	2.98M af	-1.9%
Year over year	2.93M af	3.37M af	-13.1%
vs 5-yr median	2.93M af	3.37M af	-13.1%

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