RIVER GAUGE · SOUTH SAINT VRAIN CREEK (CO)
South Saint Vrain Creek (CO) above Lyons
Boulder County, Colorado
Water level0.15 ft
Flow—
Last readingSep 16, 2026, 5:20 PM UTC (last recorded)
Action5 ft760 cfs
Minor flood6 ft1,160 cfs
Moderate flood9.5 ft3,150 cfs
Major flood13 ft
The past week
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What floods at each level
- 7 ft
HOUSE NEAR LYONS FLOODS
- 6 ft
WATER BACKS UP BEHIND CULVERT AND FLOODS OLD BRIDGE NEAR HIGHWAY 7
- 5 ft
WATER INTO LOW LYING AREAS
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| May 29, 1995 | 6.5 ft | 2,550 cfs |
More on South Saint Vrain Creek (CO)
DownstreamSaint Vrain Creek at Lyons
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