Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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 01367620 Wallkill R at outflow of Lk Mohawk at Sparta NJ


Sussex County, New Jersey
Hydrologic Unit Code 02020007
Latitude  41°01'59", Longitude  74°38'35" NAD83
Drainage area 4.38  square miles
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format
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
 
252025-07-24 11:50:57EDTYesctmUSGS0.75 0.00 Poor NONE
242024-11-04 10:20:30ESTYesjtsUSGS0.000.100.00 ExcellentClearNONE
232024-08-15 11:29EDTYesJPUSGS3.930.76-0.01 FairClearNONE
222024-04-23 10:06:57EDTYesmtp, lmgUSGS13.71.090.000.50FairClearNONE
212023-09-05 11:13:10EDTYesJPUSGS3.300.720.000.50FairClearNONE
202005-07-27 11:45EDTYesTMMUSGS1.210.510.000.50FairDebrisModerateNONE
192005-06-07 11:26EDTYesTMMUSGS5.370.720.000.70FairDebrisModerateNONE
182005-04-19 13:00EDTYesELM/JMLUSGS12.6 Good NONE
172004-10-13 13:30EDTYesnalUSGS6.44 Good NONE
162001-06-29 09:10EDTYesamt/pesUSGS6.72 GoodDebrisHeavyNONE
151986-09-09 -- ----YesJTFUSGS1.274.06-0.020.30FairDebrisLightNONE
141986-07-16 -- ----YesRSCUSGS1.524.030.000.60FairClearNONE
131985-09-17 -- ----YesMOPUSGS0.464.100.000.40GoodDebrisHeavyNONE
121985-08-12 -- ----YesMOPUSGS4.573.930.000.60GoodClearNONE
111985-04-27 -- ----YesJTFUSGS0.044.260.100.20FairDebrisLightNONE
101984-09-11 -- ----YesJBCUSGS1.694.100.000.40GoodDebrisLightNONE
91983-08-16 -- ----YesBPUSGS1.944.080.010.40GoodClearNONE
81983-06-16 -- ----YesTGTUSGS2.20 -0.010.40FairDebrisModerateNONE
71982-09-16 -- ----YesBPUSGS0.854.08 FairClearNONE
61982-08-16 -- ----YesCUSGS4.183.93 GoodClearNONE
51981-07-01 -- ----YesKCAUSGS1.97 GoodClearNONE
41980-09-02 -- ----YesRSCUSGS0.014.56 FairClearNONE
31980-07-02 -- ----YesB PUSGS0.624.31 Poor NONE
21979-09-11 -- ----YesEWMUSGS7.424.00 GoodClearNONE
11979-04-17 -- ----YesBDG/RAMUSGS11.04.11 GoodClearNONE