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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 423556071201101 RIVER MEADOW BROOK RT129 CHELMSFORD,MA
Middlesex County, Massachusetts
Hydrologic Unit Code 01070005
Latitude  42°35'56", Longitude  71°20'11" NAD83
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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)
92004-10-21 12:14EDTYesSHFUSGS23.48.90 Unspecified NONE1Imported Channel 1WADEunspeunkno23.414.217.31.35UNSPUNSPUNSPunknUNSPUNSPUNSP
82004-10-14 08:56EDTYesSHFUSGS6.988.43 Unspecified NONE1Imported Channel 1WADEunspeunkno6.9813.311.10.63UNSPUNSPUNSPunknUNSPUNSPUNSP
72004-10-01 11:22EDTYesSHFUSGS28.28.94 Unspecified NONE1Imported Channel 1WADEunspeunkno28.215.217.31.62UNSPUNSPUNSPunknUNSPUNSPUNSP
62004-09-03 10:59EDTYesSHFUSGS7.458.44 Unspecified NONE1Imported Channel 1WADEunspeunkno7.4513.411.20.66UNSPUNSPUNSPunknUNSPUNSPUNSP
52004-09-01 08:15EDTYesMKUSGS13.18.58 Unspecified NONE1Imported Channel 1WADEunspeunkno13.113.7 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
42004-08-27 11:15EDTYesSHFUSGS12.78.60 Unspecified NONE1Imported Channel 1WADEunspeunkno12.712.713.00.97UNSPUNSPUNSPunknUNSPUNSPUNSP
32004-08-17 10:46EDTYesSHFUSGS18.68.76 Unspecified NONE1Imported Channel 1WADEunspeunkno18.613.914.61.27UNSPUNSPUNSPunknUNSPUNSPUNSP
22004-07-22 12:20EDTYesMKUSGS2.208.16 Unspecified NONE1Imported Channel 1WADEunspeunkno2.2014.2 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
12004-07-12 12:19EDTYesSHFUSGS3.188.26 Unspecified NONE1Imported Channel 1WADEunspeunkno3.1812.68.460.37UNSPUNSPUNSPunknUNSPUNSPUNSP