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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 01103010 MYSTIC RIVER AT ARLINGTON, MA
Middlesex County, Massachusetts
Hydrologic Unit Code 01090001
Latitude  42°25'14.4", Longitude  71°08'33.7" 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)
332019-10-17 11:01:45EDTYesRTB/JDLUSGS215106.510-0.020 FairUnspecifedNONE1main channel downstreamBRDSQADCPVADCP21556.92031.06FIRMBLDRUNEVPULSUNEVNSTDDNST50.00
322019-10-16 12:24:24EDTYesRTB/MUUSGS-7.52105.520.02 Poor NONE1main channel upstreamBRUSQADCPVADCP-7.5258.5179-0.04FIRMCBLSUNEVPULSUNEVNSTDDNST10.00
312019-08-12 12:46:12EDTYesrtbUSGS29.0105.940.00 FairVegetationLightNONE1main channelBRDSQADCPVADCP29.049.41760.16FIRMGRVLUNEVSTDYEVENSTNDDNST50.00
302019-06-03 13:43:46EDTYesrtbUSGS20.9105.590.03 Poor NONE1main channelBRDSQADCPVADCP20.950.61610.13FIRMCBLSUNEVPULSUNEVNSTDDNST50.00
292019-04-24 15:25:59EDTYesRTB/LRRUSGS229106.00-0.04 FairClearNONE1main channelBRDSQADCPVADCP22951.31701.35FIRMCBLSUNEVPULSUNEVNSTDDNST50.00
282019-04-17 12:53:47EDTYesrtbUSGS45.6105.830.03 FairClearNONE1Main channelBRDSQADCPVADCP45.649.51680.27FIRMCBLSUNEVPULSUNEVNSTDDNST50.00
272019-02-04 15:29:29ESTYesrtbUSGS24.5105.42-0.01 PoorClearNONE1main channelBRDSQADCPVADCP24.550.01570.16FIRMsiltUNEVPULSUNEVNSTDUPST50.00
262018-12-11 12:58:03ESTYesrtbUSGS32.5105.83 FairClearNONE1main channelBRDSQADCPVADCP32.551.51710.19FIRMsiltUNEVPULSUNEVNSTDUPST50.00
252018-10-18 15:16:35EDTYescrb/rtbUSGS64.3105.55-0.05 FairClearNONE1main channelBRDSQADCPVADCP64.357.01510.43FIRMsiltUNEVSTDYUNEVNSTDDNST15.00
242018-08-06 17:22:44EDTYesCAS, CRBUSGS-17.2105.66-0.020.25PoorClearNONE1Main ChannelBRDSQADCPVADCP-17.249.2175-0.10SOFTBLDRUNEVSTDYUNEVUNKNATGA0.00
232018-06-22 10:55:03EDTYescrb/casUSGS3.68106.170.010.25PoorUnspecifedNONE1main channelBRDSQADCPVADCP3.6850.72020.02FIRMBLDRUNEVSTDYUNEVNSTDATGA0.00
222018-03-26 13:07:16EDTYescrb/cpyUSGS110105.680.030.25FairClearNONE1main channelBRDSQADCPVADCP11047.21820.60FIRMBLDRUNEVSTDYEVENNSTDATGA0.00
212018-02-21 14:30:01ESTYescrb/casUSGS-23.7105.900.010.20FairClearNONE1Main ChannelBRDSQADCPVADCP-23.754.1190-0.12SOFTsiltEVENSTDYEVENNSTDDNST15.00
202018-01-03 16:14:34ESTYescrb/agwUSGS-13.7105.420.000.50FairDebrisLightNONE1main channelBRDSQADCPVADCP-13.752.0166-0.08FIRMBLDREVENSTDYEVENNSTDATGA0.00
192017-11-06 16:34:52ESTYesrtb/crbUSGS-11.4105.720.010.25FairClearNONE1main channelBRUSQADCPVADCP-11.450.5184-0.06FIRMBLDREVENSTDYEVENNSTDATGA0.00
182017-08-22 14:29:24EDTYesCRB/CPY/ANYUSGS-0.62105.720.000.20PoorVegetationLightNONE1main channelBRDSQADCPVADCP-0.6253.4180-0.00FIRMBLDRUNEVSTDYEVENNSTDDNST10.00
172017-08-22 14:00EDTYesCRB/CPY/ANYUSGS0.87105.720.010.25PoorVegetationLightNONE1main channelBRDSQADCPVADCP0.8754.21800.00FIRMBLDRUNEVSTDYEVENNSTDDNST10.00
162017-06-15 11:32:31EDTYesEENUSGS70.5106.190.020.25Fair NONE1main channelBRDSQADCPVADCP70.544.91890.37FIRMBLDRUNEVSTDYEVENNSTDUPST10.00
152017-04-12 11:19:46EDTYesEENUSGS134105.75 PoorClearNONE1mainBRUSQADCPVADCP13445.91880.71SOFTsiltEVENunknEVENNSTDATGA0.00
142017-02-23 13:57:30ESTYesEENUSGS177105.99 FairUnspecifedNONE1mainBRUSQADCPVADCP17742.11880.94SOFTsiltEVENunknEVENUNKNATGA0.00
132016-12-09 12:20:30ESTYesEENUSGS46.3105.99 FairUnspecifedNONE1mainBRDSQADCPVADCP46.348.81990.23SOFTGRVLUNEVunknEVENNSTDATGA
122016-10-11 10:07:13EDTYesEENUSGS20.3106.06 PoorUnspecifedNONE1MAINBRUSQADCPVADCP20.346.91750.12FIRMCBLSEVENunknEVENNSTDATGA
112016-08-01 14:36:55EDTYesEENUSGS-16.9-0.770.000.30FairUnspecifedNONE1mainBRUSQADCPVADCP-16.950.4194-0.09FIRMCBLSEVENunknEVENUNKNATGA
102016-07-11 15:51:20EDTYesEENUSGS2.93-1.020.000.30FairUnspecifedNONE1mainBRUSQADCPVADCP2.9347.41730.02FIRMCBLSEVENunknEVENNSTDATGA
92016-06-30 14:00EDTYesEEN/RTBUSGS4.64-0.810.010.50FairUnspecifedNONE1mainBRUSQADCPVADCP4.6441.41630.03FIRMGRVLEVENunknEVENNSTDATGA
82016-06-29 12:50EDTYesEEN/GEMUSGS22.1-0.780.000.40FairUnspecifedNONE1mainBRUSQADCPVADCP22.142.21610.14FIRMGRVLUNEVunknEVENUNKNATGA
72016-04-05 11:08:15EDTYesEENUSGS30.2 0.00 FairUnspecifedNONE1mainBRUSQADCPVADCP30.240.81680.18SOFTsiltEVENunknEVENNSTDATGA
62016-03-09 13:07:48ESTYesEENUSGS6.14 PoorUnspecifedNONE1mainBRUSQADCPVADCP6.1446.11900.03SOFTsiltEVENunknEVENNSTDATGA
52016-03-08 16:26:02ESTYesEEN/GEMUSGS28.8 FairUnspecifedNONE1mainBRUSQADCPVADCP28.850.32140.13SOFTsiltUNEVunknEVENNSTDATGA
42016-02-25 18:01:27ESTYesEENUSGS115 -0.010.30FairUnspecifedNONE1mainBRUSQADCPVADCP11546.81950.59SOFTsiltEVENunknEVENNSTDATGA
32016-02-18 15:01:45ESTYesEENUSGS123 FairUnspecifedNONE1mainBRUSQADCPVADCP12347.61870.66UNSPUNSPUNSPunknEVENUNSPATGA
22016-02-10 13:38:15ESTYesEEN/GEMUSGS-33.2 0.050.30Fair NONE1mainBRUSQADCPVADCP-33.261.1207-0.16UNSPUNSPUNSPunknEVENUNSPATGA