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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 01309800 SEAMANS CREEK AT SEAFORD, N.Y.
Nassau County, New York
Hydrologic Unit Code 02030202
Latitude  40°39'56", Longitude  73°29'37" NAD27
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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)
5152023-07-11 11:21:30ESTYesDLFUSGS4.66 Fair NONE1Seamans Creek Main Channel at East End StWADEQSCMMVADV4.667.705.200.90FIRMLDGEEVENSTDYEVENSTNDUNSP
5142022-11-18 09:03:30ESTYesDLFUSGS1.94 Fair NONE1Seaman's Creek Main ChannelWADEQSCMMVADV1.9410.73.790.51FIRMCBLSEVENSTDYEVENSTNDUNSP
5132021-11-30 11:24ESTYesDLFUSGS2.28 Fair NONE1Seaman's Creek Upstream SectionWADEQSCMMVADV2.287.505.080.45FIRMSANDEVENSTDYUNSPSTNDUNSP
5122021-06-17 11:55:11ESTYesAGW/ADLUSGS2.67 Poor NONE1Main ChannelWADEQSCMMVADV2.676.902.820.95SOFTSANDUNEVSTDYUNEVUNKNUNSP
5112020-09-09 10:36ESTYesADLUSGS1.84 Fair NONE1mainWADEQSCMMVADV1.846.102.010.91FIRMSANDEVENUNSPUNEVUNSPUNSP
5102020-03-16 13:11ESTYesADLUSGS2.93 Fair NONE1mainWADEQSCMMVADV2.937.103.270.90UNSPUNSPUNSPUNSPUNSPUNSPUNSP
5092019-09-24 14:17:30ESTYesADLUSGS1.72 Fair NONE1mainWADEQSCMMVADV1.726.602.550.68FIRMSANDUNSPPULSUNEVUNSPUNSP
5082018-12-04 13:28:30ESTYesajcUSGS7.27 Poor NONE1SeamansCreekWADEQSCMMVADV7.2714.08.200.89SOFTsiltEVENSTDYEVENUNKNUNSP
5072017-11-03 14:14ESTYesADLUSGS4.04 Good NONE1mainWADEQSCMMVADV4.0417.09.170.44UNSPUNSPUNSPUNSPUNSPUNSPUNSP
5062015-07-24 07:35:30ESTYesCJSUSGS2.18 Good NONE11WADEQSCMMVADV2.1818.110.50.21UNSPUNSPUNSPunknEVENUNSPUNSP
5052013-08-30 08:57:30ESTYesCJSUSGS3.04 0.50FairUnspecifedNONE1Imported Channel 1WADEQSCMMVADV3.0419.520.40.15FIRMSANDEVENunknEVENSTNDUPST25.00
5042013-05-31 11:31ESTNo
5031992-09-09 12:57ESTYesKMUSGS2.61 Fair NONE1Imported Channel 1WADEunspeunkno2.618.503.570.73UNSPUNSPUNSPunknUNSPUNSPUNSP
5021992-04-13 12:00ESTYesCSUSGS2.89 Good NONE1Imported Channel 1WADEunspeunkno2.896.902.161.34UNSPUNSPUNSPunknUNSPUNSPUNSP
5011991-05-23 -- ----YesKMUSGS2.50 Unspecified NONE1Imported Channel 1WADEunspeunkno2.50 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
5001990-11-16 -- ----YesKMUSGS4.00 Unspecified NONE1Imported Channel 1WADEunspeunkno4.00 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP