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Poor Fork at Cumberland, KY Water Level Today

Kentucky · USGS gauge 03400500 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 03400500 sits on the Poor Fork and reads everything draining 82 square miles of the Upper Cumberland-Lake Cumberland basin. Its datum sits 1,410 feet above sea level NAVD88. Daily flow has been on record here since 1940, 67 years of it.

Where this gauge sits in the drainage

No gauged site sits above this one on the mainstem, so this is the first published reading on the river. Downstream the next reading comes from Cumberland River near Harlan, KY at 374 square miles, so what passes this gauge is about 22% of the water measured there.

Normal flows here

The Poor Fork runs a median of 78 cfs at this gauge across 67 years of record. March is the fullest month at a median 213 cfs, and October the leanest at 20 cfs. The highest daily mean on record is 6,750 cfs in 1957, and the lowest is 2.5 cfs in 1948.

Median flow by month
MonthMedian flowShare of annual median
Jan153 cfs195%
Feb197 cfs251%
Mar213 cfs271%
Apr146 cfs185%
May117 cfs149%
Jun52 cfs66%
Jul42 cfs54%
Aug36 cfs46%
Sep23 cfs29%
Oct20 cfs25%
Nov42 cfs54%
Dec105 cfs134%

Medians from the USGS daily-statistics record, 1940 to 2025. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Poor Fork reaches flood stage at this gauge at 12 feet. NWS starts watching it at 9.5 feet. The highest crest on record is 15.9 feet, in April 1977.

NWS flood categories
CategoryGage height
Action9.5 ft
Minor flooding12 ft
Moderate flooding14 ft
Major flooding16 ft
Highest crests on record
WhenCrest
April 197715.9 ft
December 196914.6 ft
March 200212.6 ft
January 197412.3 ft
February 202012.1 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge CMBK2. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 03400500. Percentile context computed against the gauge's period of record. Not for navigation.

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