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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 01309700 SEAFORD CREEK AT SEAFORD, N.Y.
Nassau County, New York
Hydrologic Unit Code 02030202
Latitude  40°40'00", Longitude  73°28'57" 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 
1312021-11-29 12:16ESTYesDLFUSGS0.59 Fair NONE
1302021-07-08 14:21:22ESTYesAGWUSGS0.84 Fair NONE
1292020-09-09 09:48:30ESTYesADLUSGS0.41 Fair NONE
1282020-03-16 12:28ESTYesADLUSGS0.81 Fair NONE
1272019-08-02 09:49ESTYesGASUSGS0.33 Poor NONE
1262018-12-04 11:51:30ESTYesajcUSGS2.78 Poor NONE
1252017-11-03 14:15:27ESTYesAJCUSGS1.41 Unknown NONE
1242015-07-23 14:32:30ESTYesCJSUSGS0.29 Poor NONE
1232013-08-30 08:01:30ESTYesCJSUSGS0.71 0.40FairUnspecifedNONE
1222013-04-23 13:11:30ESTYesMDCUSGS0.94 0.40Fair NONE
1212012-12-26 13:22:30ESTYesMDCUSGS0.95 0.60Poor NONE
1181992-09-09 12:25ESTYesKMUSGS0.77 Poor NONE
1171992-04-13 13:00ESTYesCSUSGS0.99 Fair NONE
1161991-05-23 -- ----YesKMUSGS1.30 Unspecified NONE
1151990-11-16 -- ----YesKMUSGS2.00 Unspecified NONE