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Streamflow Measurements for the Nation


USGS 01374963 HALLOCKS MILL BROOK AT AMAWALK NY
Westchester County, New York
Hydrologic Unit Code 02030101
Latitude  41°17'09.2", Longitude  73°45'56.9" NAD83
Drainage area 11.4  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)
642012-07-31 12:58ESTYesDDEUSGS13.6 FairUnspecifedNONE1Imported Channel 1WADEQSCMMVADV13.625.019.10.71UNSPUNSPUNSPunknUNSPUNSPUNSP
632012-05-01 11:00ESTYesDDEUSGS17.0 FairUnspecifedNONE1Imported Channel 1WADEQSCMMVADV17.028.021.60.79UNSPUNSPUNSPunknUNSPUNSPUNSP
622012-02-21 12:58:05ESTYesDDEUSGS7.93 FairUnspecifedNONE1Imported Channel 1WADEQSCMMVADV7.9328.017.40.46UNSPUNSPUNSPunknUNSPUNSPUNSP
612011-12-06 12:26:48ESTYesDDEUSGS20.3 FairUnspecifedNONE1Imported Channel 1WADEQSCMMVADV20.330.023.20.87UNSPUNSPUNSPunknUNSPUNSPUNSP
602011-10-13 11:56:17ESTYesDDEUSGS16.9 FairUnspecifedNONE1Imported Channel 1WADEQSCMMVADV16.929.022.10.77UNSPUNSPUNSPunknUNSPUNSPUNSP
592011-08-02 10:02ESTYesDDEUSGS2.94 Fair NONE1Imported Channel 1WADEQSCMMVADV2.9416.08.710.34UNSPUNSPUNSPunknUNSPUNSPUNSP
582011-06-09 08:20ESTYesDDEUSGS7.26 Fair NONE1Imported Channel 1WADEQSCMMVADV7.2616.56.661.09UNSPUNSPUNSPunknUNSPUNSPUNSP
572011-05-10 -- ----YesDDEUSGS10.5 Fair NONE1Imported Channel 1WADEQSCMMVADV10.527.016.80.62UNSPUNSPUNSPunknUNSPUNSPUNSP
562011-04-13 -- ----YesDDEUSGS50.6 Fair NONE1Imported Channel 1WADEQSCMMVADV50.638.034.61.46UNSPUNSPUNSPunknUNSPUNSPUNSP
552011-01-19 10:34:56ESTYesJDBUSGS19.0 Good NONE1Imported Channel 1WADEQSCMMVADV19.031.521.50.88FIRMBLDREVENunknUNSPUNSPUNSP
542010-12-14 15:29:33ESTYesJDBUSGS46.7 Poor NONE1Imported Channel 1WADEQSCMMVADV46.735.526.01.79FIRMBLDREVENunknUNSPUNSPUNSP
532010-09-14 11:56:04ESTYesJDBUSGS2.55 Fair NONE1Imported Channel 1WADEQSCMMVADV2.5514.26.690.38FIRMBLDREVENunknUNSPUNSPUNSP
522010-06-29 14:44:09ESTYesDDEUSGS4.94 Good NONE1Imported Channel 1WADEQSCMMVADV4.9422.019.20.26FIRMBLDREVENunknUNSPUNSPUNSP
512010-05-19 11:09:48ESTYesDDEUSGS15.8 GoodUnspecifedNONE1Imported Channel 1WADEQSCMMVADV15.828.021.70.73FIRMBLDREVENunknUNSPUNSPUNSP
502010-04-26 13:11ESTYesJDBUSGS32.6 Fair NONE1Imported Channel 1UNSPQSCMMVADV32.626.330.31.08UNSPUNSPUNSPunknUNSPUNSPUNSP
492009-08-18 -- ----YesDDEUSGS5.60 FairUnspecifedNONE1Imported Channel 1WADEQSCMMVADV5.60 UNSPUNSPUNSPunknUNSPUNSPUNSP
482009-06-30 -- ----YesDDEUSGS26.3 FairUnspecifedNONE1Imported Channel 1WADEQSCMMVADV26.3 UNSPUNSPUNSPunknUNSPUNSPUNSP
472009-04-28 -- ----YesDDEUSGS16.9 FairUnspecifedNONE1Imported Channel 1WADEQSCMMVADV16.9 UNSPUNSPUNSPunknUNSPUNSPUNSP
462008-12-09 14:57ESTYesDDEUSGS10.4 FairUnspecifedNONE1Imported Channel 1WADEQSCMMVADV10.425.015.60.67UNSPUNSPUNSPunknUNSPUNSPUNSP
452008-10-22 -- ----YesDDEUSGS3.22 Good NONE1Imported Channel 1WADEQSCMMVADV3.2210.05.040.64UNSPUNSPUNSPunknUNSPUNSPUNSP
442008-09-17 -- ----YesddeUSGS12.1 Unspecified NONE1Imported Channel 1WADEQSCMMVADV12.126.016.20.75UNSPUNSPUNSPunknUNSPUNSPUNSP
432008-07-14 13:30ESTYesCIMUSGS7.26 Unspecified NONE1Imported Channel 1WADEQSCMMVADV7.2627.314.60.50UNSPUNSPUNSPunknUNSPUNSPUNSP
422008-05-07 -- ----YesCPTUSGS7.70 Unspecified NONE1Imported Channel 1WADEQSCMMVADV7.7024.012.60.61UNSPUNSPUNSPunknUNSPUNSPUNSP
412008-03-17 -- ----YesDDEUSGS31.6 Unspecified NONE1Imported Channel 1WADEQSCMMVADV31.634.024.91.27UNSPUNSPUNSPunknUNSPUNSPUNSP
402008-01-24 -- ----YesDDEUSGS14.3 Unspecified NONE1Imported Channel 1WADEQSCMMVADV14.326.017.60.81UNSPUNSPUNSPunknUNSPUNSPUNSP
392007-12-12 14:35ESTYesDDEUSGS13.4 Fair NONE1Imported Channel 1WADEQSCMMVADV13.426.018.50.72UNSPUNSPUNSPunknUNSPUNSPUNSP
382007-09-18 12:53ESTYesDDEUSGS2.12 FairClearNONE1Imported Channel 1WADEQSCMMVADV2.129.504.340.49UNSPUNSPUNSPunknUNSPUNSPUNSP
372007-08-28 12:35ESTYesDDEUSGS3.77 Fair NONE1Imported Channel 1WADEQSCMMVADV3.7711.56.130.62UNSPUNSPUNSPunknUNSPUNSPUNSP
362007-06-19 12:07ESTYesDDEUSGS4.00 FairClearNONE1Imported Channel 1WADEQSCMMVADV4.0013.06.520.61UNSPUNSPUNSPunknUNSPUNSPUNSP
352007-05-01 11:29ESTYesDDEUSGS23.4 Fair NONE1Imported Channel 1WADEQSCMMVADV23.426.023.81.23UNSPUNSPUNSPunknUNSPUNSPUNSP
342007-03-13 13:18ESTYesDDEUSGS30.1 Fair NONE1Imported Channel 1WADEQSCMMVADV30.126.025.21.19UNSPUNSPUNSPunknUNSPUNSPUNSP
332007-02-05 13:47ESTYesDDE/SWBUSGS10.9 Fair NONE1Imported Channel 1WADEQSCMMVADV10.927.017.00.64UNSPUNSPUNSPunknUNSPUNSPUNSP
322006-11-28 12:54ESTYesDDEUSGS32.3 Good NONE1Imported Channel 1WADEQSCMMVADV32.329.027.81.27UNSPUNSPUNSPunknUNSPUNSPUNSP
312006-10-03 13:23ESTYesDDEUSGS5.87 Good NONE1Imported Channel 1WADEQSCMMVADV5.8717.518.00.31UNSPUNSPUNSPunknUNSPUNSPUNSP
302006-07-10 14:56ESTYesddeUSGS8.20 Unspecified NONE1Imported Channel 1WADEQSCMMVADV8.2021.09.890.81UNSPUNSPUNSPunknUNSPUNSPUNSP
292006-05-08 14:28ESTYesddeUSGS9.73 Unspecified NONE1Imported Channel 1WADEQSCMMVADV9.7316.318.50.53UNSPUNSPUNSPunknUNSPUNSPUNSP
282006-03-29 14:01ESTYesddeUSGS8.33 Unspecified NONE1Imported Channel 1WADEQSCMMVADV8.3315.416.30.51UNSPUNSPUNSPunknUNSPUNSPUNSP
272005-11-07 15:11ESTYesddeUSGS16.3 Unspecified NONE1Imported Channel 1WADEQSCMMVADV16.319.525.10.73UNSPUNSPUNSPunknUNSPUNSPUNSP
262005-09-28 13:49ESTYesDDE/JDBUSGS1.83 Fair NONE1Imported Channel 1WADEQSCMMVADV1.8310.04.500.40UNSPUNSPUNSPunknUNSPUNSPUNSP
252005-08-22 14:27ESTYesDDE/JDBUSGS4.24 Fair NONE1Imported Channel 1WADEQSCMMVADV4.2415.514.40.32UNSPUNSPUNSPunknUNSPUNSPUNSP
242005-07-12 15:30ESTYesDDE/JDBUSGS7.65 Fair NONE1Imported Channel 1WADEQSCMMVADV7.6524.018.00.41UNSPUNSPUNSPunknUNSPUNSPUNSP
232005-06-13 15:24ESTYesDDE/JDBUSGS4.60 Fair NONE1Imported Channel 1WADEQSCMMVADV4.6012.07.000.66UNSPUNSPUNSPunknUNSPUNSPUNSP
222005-05-02 14:25ESTYesDDE/JDBUSGS22.1 Fair NONE1Imported Channel 1WADEunspeunkno22.126.025.80.81UNSPUNSPUNSPunknUNSPUNSPUNSP
212005-03-21 13:55ESTYesDDE/JDBUSGS25.8 Fair NONE1Imported Channel 1WADEunspeunkno25.825.029.20.90UNSPUNSPUNSPunknUNSPUNSPUNSP
202005-01-18 14:02ESTYesDDE/JDBUSGS54.0 Fair NONE1Imported Channel 1WADEunspeunkno54.029.034.61.60UNSPUNSPUNSPunknUNSPUNSPUNSP
192004-12-13 14:23ESTYesDDEUSGS30.9 Fair NONE1Imported Channel 1WADEunspeunkno30.926.028.31.07UNSPUNSPUNSPunknUNSPUNSPUNSP
182004-09-20 13:03ESTYesDDE/JDBUSGS89.4 Fair NONE1Imported Channel 1WADEunspeunkno89.434.034.52.56UNSPUNSPUNSPunknUNSPUNSPUNSP
172004-07-19 13:36ESTYesDDE/JDBUSGS2.92 Fair NONE1Imported Channel 1WADEunspeunkno2.9215.010.40.29UNSPUNSPUNSPunknUNSPUNSPUNSP
162004-06-22 13:02ESTYesDDE/JDBUSGS6.00 Fair NONE1Imported Channel 1WADEunspeunkno6.0017.012.10.50UNSPUNSPUNSPunknUNSPUNSPUNSP
152004-05-10 13:39ESTYesDDE/JDBUSGS17.7 Fair NONE1Imported Channel 1WADEunspeunkno17.725.016.51.20UNSPUNSPUNSPunknUNSPUNSPUNSP
142004-03-23 14:58ESTYesDDEUSGS22.1 Poor NONE1Imported Channel 1WADEunspeunkno22.115.515.01.48UNSPUNSPUNSPunknUNSPUNSPUNSP
132004-01-12 16:10ESTYesDDE/JDBUSGS15.3 Fair NONE1Imported Channel 1WADEunspeunkno15.322.017.20.92UNSPUNSPUNSPunknUNSPUNSPUNSP
122003-11-10 14:43ESTYesDDEUSGS21.1 Good NONE1Imported Channel 1WADEunspeunkno21.117.617.81.19UNSPUNSPUNSPunknUNSPUNSPUNSP
112003-10-20 13:54ESTYesDDEUSGS9.70 Fair NONE1Imported Channel 1WADEunspeunkno9.7015.513.60.77UNSPUNSPUNSPunknUNSPUNSPUNSP
102003-09-10 16:00ESTYesEANUSGS3.24 Fair NONE1Imported Channel 1WADEunspeunkno3.2415.011.10.29UNSPUNSPUNSPunknUNSPUNSPUNSP
92003-08-11 12:06ESTYesDDEUSGS15.2 Good NONE1Imported Channel 1WADEunspeunkno15.217.515.70.92UNSPUNSPUNSPunknUNSPUNSPUNSP
82003-07-14 17:54ESTYesDDEUSGS4.80 Fair NONE1Imported Channel 1WADEunspeunkno4.8015.011.60.47UNSPUNSPUNSPunknUNSPUNSPUNSP
72003-06-24 10:26ESTYesJDBUSGS28.6 Good NONE1Imported Channel 1WADEunspeunkno28.637.628.90.92UNSPUNSPUNSPunknUNSPUNSPUNSP
62003-05-20 15:02ESTYesDDEUSGS7.21 Fair NONE1Imported Channel 1WADEunspeunkno7.2127.815.70.49UNSPUNSPUNSPunknUNSPUNSPUNSP
52002-09-04 11:14ESTYesdde/pjpUSGS14.9 Fair NONE1Imported Channel 1WADEunspeunkno14.916.513.61.10UNSPUNSPUNSPunknUNSPUNSPUNSP
42000-08-10 11:20ESTYesDDEUSGS8.41 Good NONE1Imported Channel 1WADEunspeunkno8.4112.57.731.09UNSPUNSPUNSPunknUNSPUNSPUNSP
32000-07-10 13:13ESTYesGRWUSGS4.70 Fair NONE1Imported Channel 1WADEunspeunkno4.7020.19.790.48UNSPUNSPUNSPunknUNSPUNSPUNSP
21976-07-21 -- ----YesLAWUSGS3.7613.891.00 GoodClearNONE1Imported Channel 1WADEunspeunkno3.7621.07.990.47UNSPUNSPUNSPunknUNSPUNSPUNSP
11976-07-19 -- ----YesLAWUSGS5.0313.92 GoodClearNONE1Imported Channel 1WADEunspeunkno5.0321.68.720.58UNSPUNSPUNSPunknUNSPUNSPUNSP