Boulder Creek At Mouth, Near Longmont, Co. Realtime Data
BOULDER CREEK AT MOUTH, NEAR LONGMONT, CO.
Realtime Data • Report • Conditions
1
Discharge (cfs)
9.1
Gauge Height (ft)
USGS 06730500
Streamflow discharge was last observed at 1 cfs, and a gauge height of 9.07 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 1 .
Weather today, Tomorrow,
The flow is provided by snowmelt and precipitation, and may be impacted by tributaries such as South Boulder Creek and Boulder Canyon Creek. There are no major dams on this section of the creek. Seasonal trends show peak flows in the spring and early summer due to snowmelt, while lower flows are typical in the fall and winter. Interesting hydrology facts include the occasional flash floods caused by heavy rainfall and the unique geology of the Boulder Creek watershed, which includes areas of karst topography.
August 22, 2026
| Elevation | 4,860.0 ft |
| Last Updated | |
| Gage height, ft | 9.07 ft |
| Streamflow, ft³/s | 0.73 ft3/s |
| Percent of Normal | 9% |
| Year Over Year Average | 8 cfs |
| 24hr Flow Prediction | cfs |
| Maximum Recorded | 2,100 cfs |
| Geolocation | 40.15, -105.01 |
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