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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 01639400 BIG PIPE CREEK AT BACHMAN MILLS, MD
Carroll County, Maryland
Hydrologic Unit Code 02070009
Latitude  39°39'39", Longitude  76°56'54" NAD27
Drainage area 9.39  square miles
Gage datum 630 feet above NGVD29
Output formats
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HTML table without channel data
Tab-separated data with 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 
152002-09-19 08:20EDTYesRHP/RWSUSGS1.44 Good NONE
141966-09-13 14:20ESTYesMNLUSGS1.28 GoodClearNONE
131966-07-22 08:40ESTYesJDTUSGS2.06 GoodClearNONE
121963-07-30 12:20ESTYesEJPUSGS2.83 GoodClearNONE
111962-08-30 07:15ESTYesDHCUSGS3.34 GoodClearNONE
101962-07-13 07:50ESTYesDHCUSGS4.91 GoodClearNONE
91961-09-28 12:35ESTYesJMDUSGS4.81 GoodClearNONE
81961-08-15 13:00ESTYesWJDUSGS5.64 GoodClearNONE
71959-09-28 10:40ESTYesWJDUSGS2.85 GoodClearNONE
61959-05-11 17:20ESTYesWJDUSGS4.04 GoodClearNONE
51958-09-10 07:25ESTYesJWGUSGS4.18 GoodClearNONE
41958-06-07 -- ----YesFLDUSGS9.92 GoodClearNONE
31957-08-21 -- ----YesAGTUSGS3.19 GoodClearNONE
21957-05-06 16:45ESTYesWJDUSGS9.56 FairClearNONE
11956-05-25 13:50ESTYesLCDUSGS7.10 FairClearNONE