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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 01098795 WASH BROOK NEAR SUDBURY, MA
Middlesex County, Massachusetts
Hydrologic Unit Code 01070005
Latitude  42°21'26", Longitude  71°24'13" NAD27
Drainage area 21.40  square miles
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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)
141994-12-06 13:30ESTYesGG/JWUSGS47.43.49 Fair NONE1Imported Channel 1CRANunspeunkno47.426.589.70.53UNSPUNSPUNSPunknUNSPUNSPUNSP
131994-08-18 10:30EDTYesDSA/JSWUSGS37.72.84 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno37.737.095.60.39UNSPUNSPUNSPunknUNSPUNSPUNSP
121994-08-16 10:30EDTYesjswUSGS15.21.18 Poor NONE1Imported Channel 1CRANunspeunkno15.232.564.30.24UNSPUNSPUNSPunknUNSPUNSPUNSP
111991-07-12 13:30EDTYesGWPUSGS7.00 0.00 Fair NONE1Imported Channel 1UNSPother 7.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
101990-08-31 09:25EDTYesGWPUSGS17.5 0.00 FairClearNONE1Imported Channel 1WADEunspeunkno17.530.071.80.02UNSPUNSPUNSPunknUNSPUNSPUNSP
91990-08-03 12:00EDTYesGWPUSGS9.57 0.001.00FairClearNONE1Imported Channel 1WADEunspeunkno9.5727.547.20.20UNSPUNSPUNSPunknUNSPUNSPUNSP
81978-09-06 -- ----YesunkUSGS7.70 Unspecified NONE1Imported Channel 1WADEunspeunkno7.70 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
71978-08-16 -- ----YesunkUSGS13.0 Unspecified NONE1Imported Channel 1WADEunspeunkno13.0 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
61978-07-13 -- ----YesunkUSGS10.0 Unspecified NONE1Imported Channel 1WADEunspeunkno10.0 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
51977-08-29 -- ----YesunkUSGS8.50 Unspecified NONE1Imported Channel 1WADEunspeunkno8.50 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
41977-05-17 -- ----YesunkUSGS45.0 Unspecified NONE1Imported Channel 1WADEunspeunkno45.0 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
31976-09-01 -- ----YesunkUSGS11.0 Unspecified NONE1Imported Channel 1WADEunspeunkno11.0 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
21976-08-27 -- ----YesunkUSGS10.8 Unspecified NONE1Imported Channel 1WADEunspeunkno10.8 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
11975-06-23 -- ----YesunkUSGS13.0 Unspecified NONE1Imported Channel 1WADEunspeunkno13.0 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP