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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 01374917 BROAD BROOK AT KATONAH NY
Westchester County, New York
Hydrologic Unit Code 02030101
Latitude  41°14'54.1", Longitude  73°40'12.3" NAD83
Drainage area 5.30  square miles
Output formats
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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 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
152008-08-21 -- ----YesJDBUSGS1.36 Unspecified NONE1Imported Channel 1WADEQSCMMVADV1.367.402.320.59UNSPUNSPUNSPunknUNSPUNSPUNSP
142008-06-03 -- ----YesCPTUSGS3.09 Unspecified NONE1Imported Channel 1WADEQSCMMVADV3.0915.58.430.37UNSPUNSPUNSPunknUNSPUNSPUNSP
132008-04-23 -- ----YesDDEUSGS5.13 Unspecified NONE1Imported Channel 1WADEQSCMMVADV5.1313.58.950.57UNSPUNSPUNSPunknUNSPUNSPUNSP
122007-09-06 12:34ESTYesDDEUSGS0.74 Fair NONE1Imported Channel 1WADEQSCMMVADV0.7411.07.710.10UNSPUNSPUNSPunknUNSPUNSPUNSP
112007-05-31 13:46ESTYesDDEUSGS3.68 Fair NONE1Imported Channel 1WADEQSCMMVADV3.6814.012.00.31UNSPUNSPUNSPunknUNSPUNSPUNSP
102006-09-11 14:41ESTYesDDEUSGS4.30 Fair NONE1Imported Channel 1WADEQSCMMVADV4.3013.08.710.53UNSPUNSPUNSPunknUNSPUNSPUNSP
92006-06-13 06:24ESTYesDDEUSGS12.3 Fair NONE1Imported Channel 1WADEQSCMMVADV12.314.011.81.12UNSPUNSPUNSPunknUNSPUNSPUNSP
82005-09-12 10:12ESTYesDDEUSGS0.68 Fair NONE1Imported Channel 1WADEQSCMMVADV0.689.003.240.22UNSPUNSPUNSPunknUNSPUNSPUNSP
72005-07-11 13:51ESTYesDDE/JDBUSGS2.75 Fair NONE1Imported Channel 1WADEQSCMMVADV2.7511.56.050.45UNSPUNSPUNSPunknUNSPUNSPUNSP
62005-06-07 15:21ESTYesDDE/JDBUSGS4.10 FairClearNONE1Imported Channel 1WADEQSCMMVADV4.1012.07.300.54UNSPUNSPUNSPunknUNSPUNSPUNSP
52004-11-16 14:41ESTYesDDE/JDBUSGS5.10 Fair NONE1Imported Channel 1WADEunspeunkno5.1011.07.900.64UNSPUNSPUNSPunknUNSPUNSPUNSP
42003-09-11 12:58ESTYesDDEUSGS2.20 Fair NONE1Imported Channel 1WADEunspeunkno2.2012.58.420.26UNSPUNSPUNSPunknUNSPUNSPUNSP
32001-07-10 14:52ESTYesGRWUSGS3.90 Good NONE1Imported Channel 1WADEunspeunkno3.9014.212.80.30UNSPUNSPUNSPunknUNSPUNSPUNSP
22000-08-30 13:36ESTYesDDEUSGS2.44 Fair NONE1Imported Channel 1WADEunspeunkno2.4410.02.720.90UNSPUNSPUNSPunknUNSPUNSPUNSP
11976-08-05 -- ----YesSSH/DJSUSGS2.50 Fair NONE1Imported Channel 1WADEunspeunkno2.5014.77.170.35UNSPUNSPUNSPunknUNSPUNSPUNSP