RIVER GAUGE · SOUTH PLATTE RIVER
South Platte River at Merino
Logan County, Colorado
Water level2.73 ft
Flow75 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action9 ft
Minor flood11.5 ft
Moderate flood13 ft
Major flood14.5 ft
The past week
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What floods at each level
- 15.5 ft
Near record flooding occurs.
- 15 ft
There is extensive major flooding in southwest Logan County. Businesses and residences flood near the river in eastern Sterling.
- 14.5 ft
There is extensive flooding of agricultural land. Roads and structures flood along the river.
- 13 ft
There is moderate flooding of agricultural land near the river.
- 11.5 ft
Agricultural land floods along the river and near Sterling.
- 9.5 ft
The river is out of its banks and into lowlands and meadows.
- 9 ft
Water moves over lower banks into riparian lowlands. Riverside trails and parking areas near Sterling become affected by rising water.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Apr 30, 2024 | 6.58 ft | 2,690 cfs |
| May 10, 2025 | 4.12 ft | 583 cfs |
| Aug 29, 2023 | 3.65 ft | 328 cfs |
More on South Platte River
UpstreamSouth Platte River near Balzac
DownstreamSouth Platte River near Crook
South Platte River at Antero Reservoir
South Platte River below Antero Reservoir
South Platte River at Atwood
South Platte River near Balzac
South Platte River at Chatfield Reservoir
South Platte River at Cheesman Reservoir
South Platte River near Crook
South Platte River below Cheesman Reservoir
South Platte River at Denver
South Platte River at Englewood
Get an alert when South Platte River rises
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