River gauges›Colorado
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

Loading chart…

What floods at each level

Highest crests on record

DateLevelFlow
Apr 30, 20246.58 ft2,690 cfs
May 10, 20254.12 ft583 cfs
Aug 29, 20233.65 ft328 cfs

More on South Platte River

Get an alert when South Platte River rises

Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

A river gauge in the StormCast app

← All Colorado gauges · Search another river