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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 412630070400301 BLACKWATER BROOK AT LAMBERTS COVE, MA
Dukes County, Massachusetts
Hydrologic Unit Code 01090002
Latitude  41°26'30.66", Longitude  70°40'03.4" NAD27
Gage datum 13 feet above NAVD88
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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)
92025-11-20 12:29:15ESTYesarh/jerUSGS0.869.080.000.30FairDebrisLightNONE1mainWADEQSCMMVADV0.865.901.790.48SOFTSANDUNEVSTDYUNEVUNKNUPST15.00
82025-09-11 08:05:53EDTYesarh/mjaUSGS0.559.030.000.40PoorClearNONE1mainWADEQSCMMVADV0.555.101.500.37SOFTSANDUNEVSTDYUNEVUNKNDNST20.00
72025-09-11 07:43:44EDTYesarh/mjaUSGS0.529.030.000.50PoorClearNONE1mainWADEQSCMMVADV0.524.801.390.37SOFTSANDUNEVSTDYUNEVUNKNUPST20.00
62025-07-09 10:17:09EDTYesarh/saUSGS2.269.23-0.010.50PoorDebrisLightNONE1mainWADEQSCMMVADV2.268.102.970.76FIRMSANDUNEVSTDYUNEVUNKNATGA0.00
52025-07-09 10:12:19EDTYesarh/saUSGS2.359.23-0.010.50PoorDebrisLightNONE1mainWADEQSCMMVADV2.358.002.980.79FIRMSANDUNEVSTDYUNEVUNKNATGA0.00
42025-05-22 16:38EDTYesGEM, ARHUSGS15.59.88-0.090.70FairClearNONE1main_CheckWADEQSCMMVADV15.510.68.741.78FIRMCBLSUNEVSTDYUNEVUNKNDNST5.00
32025-05-22 15:51:30EDTYesGEM, ARHUSGS18.39.920.030.50FairClearNONE1mainWADEQSCMMVADV18.310.48.952.05FIRMCBLSUNEVSTDYUNEVUNKNDNST5.00
22025-05-22 11:08EDTYesPSC/SAUSGS2.549.250.100.50PoorClearNONE1MainWADEQSCMMVPAA2.548.503.950.64FIRMCBLSUNEVSTDYUNEVUNKNUPST3.00
12024-05-15 09:40EDTYesJMPUSGS1.59 Poor NONE1MainWADEQSCMMVADV1.595.301.830.87UNSPUNSPUNSPUNSPUNSPUNSPUNSP