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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 395403105104700 WALNUT CR. BELOW POND A-4 AT ROCKY FLATS PLANT


Jefferson County, Colorado
Hydrologic Unit Code 10190003
Latitude  39°54'05", Longitude 105°10'46" 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)
191995-02-02 12:20MSTYesJWUUSGS0.000.00 GoodClearNONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
181995-01-31 13:33MSTYesRLSUSGS0.000.00 Good NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
171995-01-27 12:55MSTYesCHTUSGS0.000.00 GoodClearNONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
161995-01-24 10:20MSTYesCHTUSGS0.000.00 GoodClearNONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
151995-01-20 13:33MSTYesRLSUSGS0.000.00 Good NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
141995-01-17 14:43MSTYesJWUUSGS0.000.00 GoodClearNONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
131995-01-13 11:32MSTYesJWUUSGS0.000.00 GoodClearNONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
121994-12-08 13:35MSTYesRLS/CHTUSGS0.000.00 Good NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
111994-12-05 11:30MSTYesJWUUSGS0.000.00 GoodClearNONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
101994-11-30 13:30MSTYesRLSUSGS0.000.00 Good NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
91994-11-07 10:30MSTYesCHT/RLSUSGS0.00 GoodClearNONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
81994-10-06 10:30MDTYesJWU/CHTUSGS0.000.00 GoodClearNONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
71994-08-15 09:49MDTYesVCSUSGS0.000.00 Good NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
61994-08-01 11:14MDTYesVCSUSGS0.000.02 Good NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
51994-07-06 13:49MDTYesVCSUSGS0.000.00 Good NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
41994-06-15 15:00MDTYesVCSUSGS0.000.00 Good NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
31994-06-08 14:00MDTYesVCSUSGS0.000.00 Good NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
21994-04-19 11:30MDTYesVCSUSGS0.000.00 Good NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
11994-03-16 09:15MSTYesJWUUSGS0.000.00 GoodClearNONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP