Jan 23, 2025 · Monitoring location 01647600 is associated with an Estuary in District of Columbia, District of Columbia. Current conditions of Gage height are available. Water data back to 1988 are available online.

Potomac River at Wisconsin Ave. River Monitoring Site. The Potomac at Wisconsin Ave. includes a stream gage that monitors flooding potential for some key Washington landmarks. At 7 feet, (flood stage) NOAA estimates that the river would inundate Washington Harbor, a site that has extensive flood control gates.

Potomac River at Wisconsin Avenue, DC: Warning Stage: 5.5 feet : Flood Stage: 6.0 feet

The Potomac River runs 405 mi (652 km) from Fairfax Stone Historical Monument State Park in West Virginia on the Allegheny Plateau to Point Lookout, Maryland, and drains 14,679 sq mi (38,020 km 2). The length of the river from the junction of its North and South Branches to Point Lookout is 302 mi (486 km). [4]

History of the USGS 01647600 Potomac River at Wisconsin Ave, Washington D.C. There has been a USGS streamgage at Georgetown since 1935. The original structure was at the foot of Wisconsin Avenue, and is shown in the photos.

3 days ago · Flooding and backwater cover much of lower Georgetown south of the Canal, and the Rock Creek Parkway south of M Street NW. The George Washington Parkway is flooded south of Spout Run in Arlington. Floodwaters reach Constitution Avenue near the Lincoln Memorial at the low spot on Henry Bacon Drive.

The USGS has measured water levels on the Potomac River in Georgetown since 1935. Why monitor streams and who uses USGS streamflow data? How is the river height measured?

Mar 6, 2021 · This wayside panel sits close to the edge of Georgetown Waterfront Park and overlooks the Potomac River. The top third of the sign features a background of tall green trees, and below is a calm blue river.

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide. Available data for this site. Datum of gage: 0.00 feet above NAVD88.

Click on a marker or choose a site below for details. Potomac water levels are monitored by USGS in a national system. Stream gages feed data to a national system that allows real-time data to be displayed.