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Martin's Fork near Harlan, KY Water Level Today

Kentucky · USGS gauge 03400986 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 03400986 sits on the Martin's Fork and reads everything draining 119 square miles of the Upper Cumberland basin. Its datum sits 1,099 feet above sea level NAVD88. Daily flow has been on record here since 2013, 12 years of it.

Where this gauge sits in the drainage

Two gauged sites sit upstream of here. The closest is Martins Fork near Smith, KY, reading 56 square miles. This gauge adds the 63 square miles that drain in between. Downstream the next reading comes from Cumberland River near Harlan, KY at 374 square miles, so what passes this gauge is about 32% of the water measured there. Water passing here goes on to Cumberland River at Pine St Br at Pineville, KY.

Normal flows here

The Martin's Fork runs a median of 88 cfs at this gauge across 12 years of record. February is the fullest month at a median 499 cfs, and September the leanest at 23 cfs. The highest daily mean on record is 6,900 cfs in 2018, and the lowest is 10 cfs in 2015.

Median flow by month
MonthMedian flowShare of annual median
Jan306 cfs346%
Feb499 cfs564%
Mar319 cfs360%
Apr160 cfs181%
May104 cfs118%
Jun60 cfs67%
Jul53 cfs60%
Aug42 cfs47%
Sep23 cfs26%
Oct63 cfs71%
Nov68 cfs77%
Dec241 cfs272%

Medians from the USGS daily-statistics record, 2013 to 2025. A month at 100% is running at its own long-term median.

Nearby river gauges

Live streamflow and gage height: USGS gauge 03400986. Percentile context computed against the gauge's period of record. Not for navigation.

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