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Sligo Creek near Takoma Park, MD Water Level Today

Maryland · USGS gauge 01650800 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 01650800 sits on Sligo Creek and reads everything draining 6.5 square miles of the Middle Potomac-Anacostia-Occoquan basin. Its datum sits 161 feet above sea level NAVD88. Daily flow has been on record here since 2009, 17 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 Northwest Branch Anacostia River at Brentwood, MD at 51 square miles, so what passes this gauge is about 13% of the water measured there.

Normal flows here

Sligo Creek runs a median of 3.8 cfs at this gauge across 17 years of record. March is the fullest month at a median 4.8 cfs, and October the leanest at 2.1 cfs. The highest daily mean on record is 405 cfs in 2017, and the lowest is 0.4 cfs in 2015.

Median flow by month
MonthMedian flowShare of annual median
Jan3.9 cfs103%
Feb4.4 cfs116%
Mar4.8 cfs126%
Apr4.7 cfs124%
May4.8 cfs126%
Jun4.0 cfs105%
Jul3.3 cfs87%
Aug2.6 cfs68%
Sep2.6 cfs68%
Oct2.1 cfs55%
Nov2.3 cfs61%
Dec4.0 cfs105%

Medians from the USGS daily-statistics record, 2009 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

Sligo Creek reaches flood stage at this gauge at 5.5 feet. NWS starts watching it at 4 feet. The highest crest on record is 7.5 feet, in July 2025.

NWS flood categories
CategoryGage height
Action4 ft
Minor flooding5.5 ft
Moderate flooding8 ft
Major flooding11 ft
Highest crests on record
WhenCrest
July 20257.5 ft
July 20227.3 ft
May 20096.8 ft
July 20186.8 ft
August 20106.7 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge TKPM2. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 01650800. Percentile context computed against the gauge's period of record. Not for navigation.

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