Blue River below Green Mountain Reservoir, CO
Is Blue River below Green Mountain Reservoir, CO flooding right now?
Blue River below Green Mountain Reservoir, CO measured 3.71 ft on 2026-09-11 01:00:00 UTC. That observation was 6.8 ft below its 10.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
3.71 ft
Streamflow
239 cfs
Minor flooding here begins at 10.5 ft, with major flooding at 12 ft. The highest crest on record was 10.85 ft on Wed, Jul 12, 1995.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 10 ft | 6.3 ft below |
| Minor flood | 10.5 ft | 6.8 ft below |
| Moderate flood | 11 ft | 7.3 ft below |
| Major flood | 12 ft | 8.3 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 10.85 ft | 1995-07-12 |
| 10.22 ft | 1984-07-01 |
| 10.13 ft | 1957-07-08 |
| 10.12 ft | 2011-07-11 |
| 9.88 ft | 1997-06-24 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Cataract Creek near Kremmling, Co. | 3.2 mi | Summit County |
| Blue River Bel Spruce Creek near Kremmling, CO | 5.9 mi | Grand County |
| Black Creek below Black Lake, near Dillon, Co. | 6.6 mi | Summit County |
| Blue River above Green Mountain Reservoir, Co. | 6.8 mi | Summit County |
| Slate Creek at Upper Station, near Dillon, Co. | 11.0 mi | Summit County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.