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Streamflow Measurements for the Nation


USGS 011020308 SAWMILL BROOK NEAR ROCKPORT, MA
Essex County, Massachusetts
Hydrologic Unit Code 01090001
Latitude  42°38'18", Longitude  70°36'37" NAD27
Drainage area 0.53  square miles
Contributing drainage area 0.53  square miles
Gage datum 40 feet above NGVD29
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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)
202000-11-08 13:00ESTYesjswUSGS0.432.080.000.50Fair NONE1Imported Channel 1WADEunspeunkno0.438.202.360.17UNSPUNSPUNSPunknUNSPUNSPUNSP
192000-09-07 14:30EDTYesjswUSGS0.051.24-0.010.30PoorClearNONE1Imported Channel 1WADEunspeunkno0.056.500.780.06UNSPUNSPUNSPunknUNSPUNSPUNSP
182000-07-18 09:30EDTYesrssUSGS0.271.550.040.40FairDebrisModerateNONE1Imported Channel 1WADEunspeunkno0.277.401.080.26UNSPUNSPUNSPunknUNSPUNSPUNSP
172000-06-12 15:00EDTYesjswUSGS0.651.800.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno0.658.903.730.17UNSPUNSPUNSPunknUNSPUNSPUNSP
162000-05-05 12:15EDTYesjswUSGS0.761.810.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno0.767.901.230.61UNSPUNSPUNSPunknUNSPUNSPUNSP
152000-03-23 13:30ESTYesjswUSGS0.891.780.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno0.898.903.030.29UNSPUNSPUNSPunknUNSPUNSPUNSP
142000-02-15 14:45ESTYesjswUSGS1.992.080.000.50Good NONE1Imported Channel 1UNSPother 1.99 UNSPUNSPUNSPunknUNSPUNSPUNSP
132000-02-14 13:38ESTYesGGGUSGS16.12.590.020.50GoodClearNONE1Imported Channel 1WADEunspeunkno16.112.37.222.23UNSPUNSPUNSPunknUNSPUNSPUNSP
121999-12-28 12:15ESTYesjswUSGS0.151.430.000.20PoorIceShoreNONE1Imported Channel 1WADEunspeunkno0.150.800.200.75UNSPUNSPUNSPunknUNSPUNSPUNSP
111999-10-28 10:46EDTYesJSWUSGS0.541.580.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno0.542.501.340.40UNSPUNSPUNSPunknUNSPUNSPUNSP
101999-07-23 12:05EDTYesJLZUSGS0.001.10 Unspecified NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
91999-06-28 09:45EDTYesjfwUSGS0.001.120.000.10FairClearNONE1Imported Channel 1OTHRQFLUM 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
81999-05-11 12:30EDTYesJLZUSGS0.491.600.000.50FairClearNONE1Imported Channel 1WADEunspeunkno0.499.201.690.29UNSPUNSPUNSPunknUNSPUNSPUNSP
71999-03-04 10:15ESTYesjfwUSGS4.522.120.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno4.529.905.320.85UNSPUNSPUNSPunknUNSPUNSPUNSP
61999-03-03 09:12ESTYesJLZUSGS13.92.530.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno13.911.76.442.16UNSPUNSPUNSPunknUNSPUNSPUNSP
51999-02-03 09:12ESTYesJLZUSGS18.32.62-0.040.50GoodClearNONE1Imported Channel 1WADEunspeunkno18.312.07.662.39UNSPUNSPUNSPunknUNSPUNSPUNSP
41999-01-24 15:15ESTYesCRLUSGS4.832.240.020.50GoodClearNONE1Imported Channel 1WADEunspeunkno4.8310.04.880.99UNSPUNSPUNSPunknUNSPUNSPUNSP
31999-01-16 11:05ESTYesCRLUSGS6.752.26-0.010.50FairClearNONE1Imported Channel 1WADEunspeunkno6.755.205.521.21UNSPUNSPUNSPunknUNSPUNSPUNSP
21999-01-04 10:30ESTYesgggUSGS2.502.070.000.80ExcellentClearNONE1Imported Channel 1WADEunspeunkno2.509.603.270.76UNSPUNSPUNSPunknUNSPUNSPUNSP
11998-12-10 12:18ESTYesJLZUSGS0.251.460.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno0.252.001.040.24UNSPUNSPUNSPunknUNSPUNSPUNSP