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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 01104620 CHARLES RIVER AT WATERTOWN, MA
Middlesex County, Massachusetts
Hydrologic Unit Code 01090001
Latitude  42°21'55", Longitude  71°11'25" NAD27
Gage datum 8 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)
62006-10-31 10:45ESTYesTRDUSGS424 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP424 UNSPUNSPUNSPunknUNSPUNSPUNSP
52006-10-31 10:00ESTYesTRDUSGS42711.82 UnspecifiedClearNONE1Imported Channel 1UNSPQADCPVADCP427 UNSPUNSPUNSPunknUNSPUNSPUNSP
41999-09-17 11:20EDTYesCSM/GWPUSGS9225.070.022.00FairUnspecifedNONE1Imported Channel 1CRANunspeunkno9221465621.77UNSPUNSPUNSPunknUNSPUNSPUNSP
31999-09-14 10:00EDTYesCSM/JSUSGS4094.550.002.00PoorDebrisLightNONE1Imported Channel 1CRANunspeunkno4091224061.01UNSPUNSPUNSPunknUNSPUNSPUNSP
21999-08-09 12:30EDTYesGWP/JSUSGS30.13.940.002.00FairUnspecifedNONE1Imported Channel 1CRANunspeunkno30.11434280.07UNSPUNSPUNSPunknUNSPUNSPUNSP
11999-04-13 10:30EDTYesGWP/RFBUSGS36916.380.032.00GoodUnspecifedNONE1Imported Channel 1CRANunspeunkno3691444630.80UNSPUNSPUNSPunknUNSPUNSPUNSP