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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 01304051 STONY BROOK R AT STONY BROOK NY
Suffolk County, New York
Hydrologic Unit Code 02030201
Latitude  40°54'53", Longitude  73°08'52" NAD27
Output formats
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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)
1632023-07-05 07:39ESTYesDLFUSGS1.54 Fair NONE1Stony Brook downstream of outfallWADEQSCMMVADV1.5411.94.290.36FIRMSANDEVENSTDYEVENSTNDUNSP
1622022-11-16 09:57ESTYesDLFUSGS1.72 Fair NONE1Stony Brook Main ChannelWADEQSCMMVADV1.7225.122.20.08FIRMsiltEVENSTDYUNSPSTNDUNSP
1612019-09-20 08:58ESTYesADLUSGS3.75 Fair NONE1mainWADEQSCMMVADV3.7514.44.230.89UNSPUNSPUNSPUNSPUNSPUNSPUNSP
1602018-11-19 14:44ESTYesADLUSGS2.18 Fair NONE1mainWADEQSCMMVADV2.1815.24.260.51SOFTsiltEVENUNSPUNSPUNSPUNSP
1592018-08-03 09:38:30ESTYesADL/AJCUSGS1.92 Fair NONE1mainWADEQSCMMVADV1.9212.02.850.67SOFTsiltEVENUNSPUNSPUNSPUNSP
1582017-06-01 10:28:30ESTYesSJHUSGS2.22 Fair NONE11WADEQSCMMVADV2.2214.24.630.48SOFTsiltEVENSTDYEVENUNSPUNSP
1572016-12-20 09:43ESTYesSJHUSGS1.89 Good NONE11WADEQSCMMVADV1.8914.02.990.63SOFTsiltUNEVunknEVENUNSPDNST0.00
1562015-06-29 13:00ESTYesCJSUSGS2.83 Fair NONE11WADEQSCMMVADV2.8314.92.890.98UNSPUNSPUNSPunknEVENUNSPUNSP
1552014-11-13 11:07ESTYesCJSUSGS2.28 Fair NONE11WADEQSCMMVADV2.2811.43.130.73UNSPUNSPUNSPunknUNEVUNSPUNSP
1541994-06-02 10:30ESTYesKMUSGS3.80 Fair NONE1Imported Channel 1WADEunspeunkno3.80 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
1531992-06-26 13:13ESTYesKMUSGS2.30 Good NONE1Imported Channel 1WADEunspeunkno2.3013.45.950.39UNSPUNSPUNSPunknUNSPUNSPUNSP
1521991-11-15 10:18ESTYesKMUSGS2.50 Fair NONE1Imported Channel 1WADEunspeunkno2.5011.74.600.54UNSPUNSPUNSPunknUNSPUNSPUNSP
1511991-05-21 -- ----YesKMUSGS3.30 Unspecified NONE1Imported Channel 1WADEunspeunkno3.30 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
1501991-02-11 -- ----YesKMUSGS3.30 Unspecified NONE1Imported Channel 1WADEunspeunkno3.30 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP