USGS Current Conditions for USGS 01591000 PATUXENT RIVER NEAR UNITY, MD

USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.

Click to hideNews Bulletins

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

This page is undergoing modernization with expected decommissioning as key features are added to the modernized pages.
Learn more about our modernization plans to find out which options will suit you best. Next Generation Monitoring Location Page is available now.
A beta version of the My Favorites page is available in WDFN. Try it out and tell us what you think at wdfn@usgs.gov

USGS 01591000 PATUXENT RIVER NEAR UNITY, MD

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text

LOCATION.--Lat 39°14'17.7", long 77°03'20.6", Montgomery County, MD, Hydrologic Unit 02060006, on right
   bank at downstream side of bridge on State Highway 97, 0.6 mi upstream from Cattail Creek, 0.8 mi
   upstream from Triadelphia Reservoir, 1.1 mi northeast of Unity, and 97 mi upstream from mouth.
DRAINAGE AREA.--34.8 mi².
PERIOD OF RECORD.--July 1944 to current year.
REVISIONS HISTORY--WSP 1111: 1947. WSP 1432: 1948. https://waterdata.usgs.gov/nwis/dv/?site_no=01591000: 2013.
GAGE.--Water stage recorder, crest-stage gage and concrete control. Datum of gage is 364.04 ft above 
   North American Vertical Datum of 1988. Prior to Aug. 14, 1946, non-recording gage at same site and gage datum.
REMARKS.--U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 21,800 ft³/s, Sept. 11, 1971, gage height, 18.60 ft;
   minimum discharge, 0.20 ft³/s, Sept. 10-12, 1966.
COOPERATION.--Funding for the operation of this station is provided by the Washington Suburban Sanitary
   Commission, and the U.S. Geological Survey.