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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 01303800 NORTHEAST BR NISSEQUOGUE R AT SMITHTOWN NY
Suffolk County, New York
Hydrologic Unit Code 02030201
Latitude  40°51'05", Longitude  73°11'15" NAD27
Gage datum 50.0 feet above NGVD29
Output formats
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HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
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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 
1502022-06-23 10:23:42ESTYesAGWUSGS2.28 Fair NONE
1492021-11-24 12:29:40ESTYesAGWUSGS2.79 Fair NONE
1482021-06-23 14:05:33ESTYesAGW/ADLUSGS2.70 Poor NONE
1472020-09-16 09:20:30ESTYesADLUSGS1.65 Fair NONE
1462020-08-25 10:05ESTYesADL/GSUSGS1.81 Fair NONE
1452019-08-06 10:14ESTYesGASUSGS1.72 Fair NONE
1442019-02-15 11:54:30ESTYesGS/EL/BBUSGS3.29 Poor NONE
1432018-09-07 12:45:30ESTYesAESUSGS2.55 Fair NONE
1422017-11-07 11:43:30ESTYesAESUSGS1.75 Poor NONE
1412016-10-07 07:12:30ESTYesCJSUSGS2.14 Fair NONE
1402016-03-08 11:54:30ESTYesCJSUSGS2.19 Good NONE
1392015-05-13 10:06ESTYesCJSUSGS2.28 Good NONE
1382014-03-26 12:37:30ESTYesCJSUSGS2.24 0.60GoodUnspecifedNONE
1372013-11-07 09:32ESTYesCJSUSGS0.76 0.30FairUnspecifedNONE
1362013-04-15 15:19:30ESTYesCJSUSGS2.62 0.40Good NONE
1352012-10-16 13:28:30ESTYesGKUSGS1.16 1.10Poor NONE
1342012-05-24 14:00ESTYesAES/SNRUSGS2.48 1.00PoorUnspecifedNONE
1331998-09-22 -- ----YesSUSGS0.92 Unspecified NONE
1321997-09-22 -- ----YesSUSGS0.28 Unspecified NONE
1311996-09-16 -- ----YesSUSGS2.80 Unspecified NONE
1301995-03-21 13:20ESTYesRBWUSGS1.28 Poor NONE
1291994-07-12 -- ----YesSUSGS0.82 Unspecified NONE
1281993-06-15 09:30ESTYesKMUSGS1.67 Fair NONE
1271992-05-12 10:10ESTYesKMC/JMUSGS1.95 Poor NONE
1261991-11-14 -- ----YesBWUSGS1.81 Poor NONE
1251990-11-28 -- ----YesKMUSGS3.00 Unspecified NONE
1241990-09-04 12:45ESTYesKMUSGS2.64 Poor NONE
1231990-04-24 10:08ESTYesMJSUSGS2.82 Poor NONE
1221989-08-10 -- ----YesSUSGS1.70 Unspecified NONE
1211988-03-24 13:00ESTYesAAGUSGS1.04 Poor NONE
1201987-10-15 12:40ESTYesAAGUSGS1.50 Poor NONE
1191987-05-18 11:30ESTYesAAGUSGS2.23 Unspecified NONE
1181986-07-29 09:10ESTYesRMUSGS1.81 Fair NONE
1171986-04-25 08:00ESTYesRMUSGS3.22 Fair NONE
1161986-01-21 15:20ESTYesRMUSGS1.22 Fair NONE
1151985-10-08 16:50ESTYesRMUSGS1.23 Poor NONE
1141985-07-30 07:50ESTYesRMUSGS1.88 Fair NONE
1131985-06-14 12:10ESTYesRMUSGS2.22 Poor NONE
1121985-03-14 12:30ESTYesRMUSGS2.23 Fair NONE
1111984-11-30 10:30ESTYesRMUSGS3.96 Good NONE
1101984-08-06 08:50ESTYesRMUSGS6.39 Fair NONE
1091984-05-02 10:55ESTYesRMUSGS4.35 Fair NONE
1081983-11-01 08:05ESTYesRMUSGS1.85 Unspecified NONE
1071983-09-02 10:00ESTYesRMUSGS1.36 Fair NONE
1061983-06-09 10:01ESTYesGDUSGS3.77 Good NONE
1051982-11-18 11:15ESTYesRMUSGS0.76 Fair NONE
1041982-09-10 09:45ESTYesRMUSGS0.78 Fair NONE
1031982-07-19 08:50ESTYesRMUSGS2.28 Poor NONE
1021982-04-20 09:40ESTYesRMUSGS2.73 Fair NONE
1011982-01-27 10:40ESTYesRMUSGS0.29 Poor NONE
1001981-09-28 09:40ESTYesRMUSGS0.52 Fair NONE
991981-07-09 08:10ESTYesRMUSGS1.19 Poor NONE
981981-01-30 09:33ESTYesGDUSGS1.08 Poor NONE
971980-09-11 07:41ESTYesGDUSGS0.97 Poor NONE
961980-07-16 07:45ESTYesRMUSGS4.08 Fair NONE
951979-11-08 09:45ESTYesBWUSGS6.05 Fair NONE
941979-08-10 10:47ESTYesRMUSGS1.78 Fair NONE
931978-09-28 12:10ESTYesGMUSGS2.04 Good NONE
921978-06-06 08:35ESTYesBWUSGS1.93 Poor NONE
911978-04-03 09:00ESTYesBWUSGS4.43 Fair NONE
901976-12-15 10:00ESTYesBWUSGS0.00 Fair NONE
891976-09-14 09:30ESTYesBWUSGS0.00 Unspecified NONE
881975-08-19 08:50ESTYesBWUSGS2.31 Fair NONE
871975-08-06 12:30ESTYesRMUSGS0.89 Fair NONE
861975-05-09 09:06ESTYesBWUSGS3.34 Fair NONE
851975-01-24 10:00ESTYesBWUSGS3.14 Fair NONE
841974-11-11 09:02ESTYesJK/BWUSGS1.30 Poor NONE
831974-09-10 08:40ESTYesJK/BWUSGS2.53 Fair NONE
821974-07-08 09:30ESTYesJK/BWUSGS1.07 Poor NONE
811974-05-07 09:00ESTYesJKUSGS2.88 Good NONE
801974-04-17 09:10ESTYesJKUSGS4.03 Good NONE
791974-01-08 10:00ESTYesRWUSGS3.50 Poor NONE
781973-09-04 14:15ESTYesRWUSGS1.13 Poor NONE
771973-05-03 10:15ESTYesRMUSGS4.20 Fair NONE
761973-02-21 10:40ESTYesRMUSGS3.19 Fair NONE
751972-11-17 13:10ESTYesRMUSGS3.60 Fair NONE
741972-10-18 09:15ESTYesRMUSGS1.20 Fair NONE
731972-08-22 08:40ESTYesRMUSGS1.24 Poor NONE
721972-06-12 10:25ESTYesRMUSGS1.28 Fair NONE
711972-02-29 10:50ESTYesRMUSGS3.01 Fair NONE
701972-01-14 13:20ESTYesRMUSGS1.66 Fair NONE
691971-08-19 -- ----YesSUSGS0.64 Unspecified NONE
681971-06-18 -- ----YesSUSGS0.98 Unspecified NONE
671971-03-29 -- ----YesSUSGS1.60 Unspecified NONE
661971-01-14 -- ----YesSUSGS1.20 Unspecified NONE
651970-11-16 -- ----YesSUSGS1.70 Unspecified NONE
641970-06-11 19:45ESTYesJWUSGS1.24 Fair NONE
631970-02-20 09:45ESTYesDVUSGS2.31 Fair NONE
621969-12-18 10:40ESTYesDVUSGS1.51 Fair NONE
611969-09-26 -- ----YesGDUSGS0.00 Unspecified NONE
601968-09-04 11:25ESTYesKMUSGS0.13 Poor NONE
591968-02-01 10:30ESTYesDV/JWUSGS1.72 Fair NONE
581967-10-13 09:35ESTYesDV/JWUSGS0.45 Poor NONE
571967-07-06 14:30ESTYesJWUSGS1.74 Poor NONE
561967-05-04 08:40ESTYesJW/DVUSGS1.16 Fair NONE
551966-12-20 14:10ESTYesDVUSGS0.36 Poor NONE
541966-09-27 10:25ESTYesJWUSGS0.24 Poor NONE
531966-05-18 08:45ESTYesJWUSGS0.48 Good NONE
521965-10-06 11:05ESTYesRMKUSGS0.27 Good NONE
511965-08-04 10:00ESTYesRMKUSGS0.24 Fair NONE
501965-06-10 13:10ESTYesRMKUSGS0.52 Fair NONE
491965-03-03 13:20ESTYesRWUSGS1.84 Good NONE
481964-12-18 11:35ESTYesRWUSGS1.28 Good NONE
471964-06-17 12:20ESTYesRMKUSGS0.68 Fair NONE
461963-10-23 10:15ESTYesRWUSGS0.70 Fair NONE
451963-07-03 13:40ESTYesRWUSGS0.97 Good NONE
441963-05-08 10:25ESTYesRWUSGS1.14 Good NONE
431963-01-16 14:30ESTYesAGSUSGS1.14 Unspecified NONE
421962-09-04 13:15ESTYesRWUSGS0.67 Fair NONE
411962-06-12 06:45ESTYesRMKUSGS1.18 Good NONE
401962-01-30 11:25ESTYesREUSGS2.24 Good NONE
391961-10-12 13:30ESTYesREUSGS1.21 Good NONE
381961-08-18 13:35ESTYesREUSGS1.08 Good NONE
371961-04-22 13:00ESTYesRMK/DCBUSGS3.93 Good NONE
361960-04-12 11:15ESTYesRMKUSGS2.88 Good NONE
351959-11-13 14:40ESTYesRMKUSGS1.25 Good NONE
341959-08-21 09:25ESTYesRMKUSGS0.91 Good NONE
331959-05-07 11:30ESTYesRMKUSGS1.77 Good NONE
321959-02-26 11:30ESTYesRMKUSGS1.50 Good NONE
311958-11-24 14:20ESTYesRMKUSGS1.76 Good NONE
301958-09-04 10:25ESTYesRMKUSGS0.96 Fair NONE
291958-04-19 14:30ESTYesJWUSGS3.34 Unspecified NONE
281958-01-30 14:40ESTYesJWUSGS3.35 Good NONE
271957-10-08 10:15ESTYesEJPUSGS5.05 Good NONE
261957-08-07 10:40ESTYesDCBUSGS0.33 Unspecified NONE
251957-05-06 09:20ESTYesEJPUSGS1.22 Good NONE
241957-02-19 11:35ESTYesRMKUSGS1.60 Good NONE
231956-11-06 10:10ESTYesEJPUSGS1.30 Fair NONE
221956-06-29 10:40ESTYesJWUSGS0.97 Fair NONE
211956-04-05 10:15ESTYesJWUSGS3.44 Unspecified NONE
201955-12-22 12:45ESTYesJWUSGS2.08 Unspecified NONE
191955-10-12 12:25ESTYesWPSUSGS0.93 Good NONE
181955-08-23 12:30ESTYesEJPUSGS2.95 Good NONE
171955-05-23 09:20ESTYesGSCUSGS1.29 Unspecified NONE
161955-02-10 10:55ESTYesGSCUSGS3.06 Unspecified NONE
151954-11-10 09:50ESTYesEJPUSGS1.84 Good NONE
141954-09-29 09:55ESTYesGSCUSGS2.08 Unspecified NONE
131954-06-15 07:35ESTYesWPSUSGS0.96 Good NONE
121954-03-08 12:40ESTYesGSCUSGS1.66 Unspecified NONE
111953-12-12 13:15ESTYesVOGUSGS2.39 Good NONE
101953-09-03 13:40ESTYesVOGUSGS0.52 Good NONE
91953-06-12 12:50ESTYesCONUSGS1.56 Good NONE
81953-03-03 10:45ESTYesCONUSGS1.76 Good NONE
71952-12-02 13:50ESTYesWPSUSGS0.78 Fair NONE
61951-06-13 12:25ESTYesHDBUSGS0.72 Good NONE
51951-03-21 14:50ESTYesHDBUSGS2.88 Good NONE
41949-03-31 14:00ESTYesHDBUSGS4.04 Good NONE
31948-10-15 13:10ESTYesHDBUSGS0.49 Good NONE
21948-04-15 11:45ESTYesHDBUSGS4.42 Good NONE
11948-03-26 11:40ESTYesHDBUSGS2.45 Excellent NONE