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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 04265446 GRASS RIVER SOUTHWEST OF MASSENA CENTER NY
St. Lawrence County, New York
Hydrologic Unit Code 04150304
Latitude  44°57'14", Longitude  74°50'22" NAD27
Drainage area 625  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)
91992-11-15 09:00ESTYesEGSUSGS4920.000.001.00GoodVegetationLightNONE1Imported Channel 1WADEunspeunkno4921171533.21UNSPUNSPUNSPunknUNSPUNSPUNSP
81992-08-25 08:00ESTYesEGSUSGS2085.950.001.00FairVegetationLightNONE1Imported Channel 1WADEunspeunkno20811297.12.14UNSPUNSPUNSPunknUNSPUNSPUNSP
61991-10-03 09:50ESTYesGarUSGS2976.400.001.00PoorClearNONE1Imported Channel 1WADEunspeunkno2971441282.32UNSPUNSPUNSPunknUNSPUNSPUNSP
51991-07-29 10:40ESTYesCorUSGS1085.570.000.80FairClearNONE1Imported Channel 1WADEunspeunkno10812972.01.50UNSPUNSPUNSPunknUNSPUNSPUNSP
41991-06-17 11:58ESTYesGarUSGS2646.370.000.80FairClearNONE1Imported Channel 1WADEunspeunkno2641431361.95UNSPUNSPUNSPunknUNSPUNSPUNSP
31991-05-13 08:45ESTYesCorUSGS7337.24-0.011.30FairClearNONE1Imported Channel 1CRANunspeunkno7332969570.77UNSPUNSPUNSPunknUNSPUNSPUNSP
21991-04-15 10:36ESTYesGarUSGS18707.68-0.021.50FairClearNONE1Imported Channel 1CRANunspeunkno187030112001.55UNSPUNSPUNSPunknUNSPUNSPUNSP
11991-04-02 09:00ESTYesETUSGS14407.43 UnspecifiedClearNONE1Imported Channel 1CRANunspeunkno144030211201.29UNSPUNSPUNSPunknUNSPUNSPUNSP