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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 01097466 SUDBURY R., @ HOWE ST., NR. ASHLAND,MA.
Middlesex County, Massachusetts
Hydrologic Unit Code 01070005
Latitude  42°15'57", Longitude  71°29'49" NAD27
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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)
222005-05-23 08:00EDTYesbosUSGS27.30.840.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno27.324.524.61.11UNSPUNSPUNSPunknUNSPUNSPUNSP
212005-04-26 07:42EDTYesbosUSGS99.81.460.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno99.825.040.72.45UNSPUNSPUNSPunknUNSPUNSPUNSP
202005-03-28 07:41ESTYesbosUSGS73.61.280.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno73.625.033.82.18UNSPUNSPUNSPunknUNSPUNSPUNSP
152004-11-30 07:04ESTYesbosUSGS1001.500.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno10024.040.42.49UNSPUNSPUNSPunknUNSPUNSPUNSP
142004-10-25 10:18EDTYesbosUSGS15.40.740.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno15.424.720.30.76UNSPUNSPUNSPunknUNSPUNSPUNSP
132004-09-30 07:28EDTYesbosUSGS90.71.470.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno90.724.539.42.30UNSPUNSPUNSPunknUNSPUNSPUNSP
122004-08-10 -- ----YesdaUSGS4.48 Unspecified NONE1Imported Channel 1WADEunspeunkno4.48 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
112004-07-01 09:11EDTYesbosUSGS6.920.520.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno6.9224.315.70.44UNSPUNSPUNSPunknUNSPUNSPUNSP
102004-04-21 08:36EDTYesbosUSGS89.41.460.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno89.426.044.81.99UNSPUNSPUNSPunknUNSPUNSPUNSP
92004-04-14 08:20EDTYesBOSUSGS2802.270.020.70GoodClearNONE1Imported Channel 1CRANunspeunkno28028.062.44.49UNSPUNSPUNSPunknUNSPUNSPUNSP
82004-04-07 07:31EDTYesBOSUSGS1041.550.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno10426.046.72.22UNSPUNSPUNSPunknUNSPUNSPUNSP
192004-01-14 14:00ESTYesdaUSGS9.010.640.000.60Unspecified NONE1Imported Channel 1WADEunspeunkno9.0128.114.30.63UNSPUNSPUNSPunknUNSPUNSPUNSP
172004-01-12 12:15ESTYesdaUSGS20.50.79 Good NONE1Imported Channel 1WADEunspeunkno20.524.022.70.90UNSPUNSPUNSPunknUNSPUNSPUNSP
162004-01-11 13:25ESTYesdaUSGS24.50.84 Good NONE1Imported Channel 1WADEunspeunkno24.524.124.21.01UNSPUNSPUNSPunknUNSPUNSPUNSP
182003-01-13 13:00ESTYesdaUSGS17.50.750.001.00Good NONE1Imported Channel 1WADEunspeunkno17.523.119.40.90UNSPUNSPUNSPunknUNSPUNSPUNSP
71995-05-17 09:15EDTYesgcUSGS35.10.94 Fair NONE1Imported Channel 1WADEunspeunkno35.138.029.81.18UNSPUNSPUNSPunknUNSPUNSPUNSP
61994-12-06 08:40ESTYesJGGUSGS55.21.20 Good NONE1Imported Channel 1WADEunspeunkno55.224.029.31.88UNSPUNSPUNSPunknUNSPUNSPUNSP
51994-11-23 10:40ESTYesGGUSGS36.21.01 GoodClearNONE1Imported Channel 1WADEunspeunkno36.223.024.51.48UNSPUNSPUNSPunknUNSPUNSPUNSP
41994-11-07 12:00ESTYesJSW/GGUSGS8.160.66 GoodClearNONE1Imported Channel 1WADEunspeunkno8.1612.37.461.09UNSPUNSPUNSPunknUNSPUNSPUNSP
31994-09-21 12:10EDTYesJSWUSGS8.570.59 GoodClearNONE1Imported Channel 1WADEunspeunkno8.5711.07.361.16UNSPUNSPUNSPunknUNSPUNSPUNSP
21994-08-08 12:45EDTYesJSW/GGUSGS3.920.44 GoodClearNONE1Imported Channel 1WADEunspeunkno3.9214.56.240.63UNSPUNSPUNSPunknUNSPUNSPUNSP
11994-05-18 11:00EDTYesJLZUSGS64.61.28 GoodClearNONE1Imported Channel 1WADEunspeunkno64.643.646.11.40UNSPUNSPUNSPunknUNSPUNSPUNSP