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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 01640720 BEAVER BRANCH AT ROCKY RIDGE, MD
Frederick County, Maryland
Hydrologic Unit Code 02070009
Latitude  39°36'20", Longitude  77°19'50" NAD27
Drainage area 6.53  square miles
Output formats
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HTML table without channel data
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
142002-09-19 13:30EDTYesJLGUSGS0.00 Excellent NONE
131982-09-14 13:40EDTYesJFHUSGS0.00 Unspecified NONE
121982-05-17 16:40EDTYesRWJUSGS1.44 GoodClearNONE
111981-08-27 12:45EDTYesJRDUSGS0.00 Unspecified NONE
101981-03-27 10:00ESTYesRWJUSGS1.44 FairClearNONE
91980-09-02 14:00EDTYesJFHUSGS0.00 Unspecified NONE
81980-06-25 17:00EDTYesCCCUSGS0.84 FairClearNONE
71980-05-15 15:40EDTYesJJMUSGS3.76 GoodClearNONE
61979-05-02 15:40EDTYesJJMUSGS3.28 FairClearNONE
51978-11-03 14:05ESTYesJJMUSGS0.14 PoorClearNONE
41978-09-21 15:35EDTYesJFHUSGS0.02 PoorClearNONE
31977-09-16 13:40EDTYesJJMUSGS0.00 Unspecified NONE
21977-08-04 17:40EDTYesJJMUSGS0.00 Unspecified NONE
11977-05-31 15:35EDTYesJJMUSGS1.11 FairClearNONE