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Streamflow Measurements for the Nation


USGS 02370140 BLACKWATER RIVER NR HAROLD, FL


Santa Rosa County, Florida
Hydrologic Unit Code 03140104
Latitude  30°42'18", Longitude  86°52'55" NAD27
Drainage area 298  square miles
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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)
121992-11-17 12:25CSTYesGTLUSGS4301.88-0.010.70Good NONE1Imported Channel 1WADEunspeunkno4301643341.29UNSPUNSPUNSPunknUNSPUNSPUNSP
111992-09-29 08:50CDTYesGTLUSGS3191.15 Good NONE1Imported Channel 1WADEunspeunkno3191492481.29UNSPUNSPUNSPunknUNSPUNSPUNSP
101938-11-06 -- ----YesRLTUSGS2050.840.002.20Excellent NONE1Imported Channel 1WADEunspeunkno20593.01651.24UNSPUNSPUNSPunknUNSPUNSPUNSP
91938-10-19 -- ----YesDSWUSGS1750.68-0.011.50Good NONE1Imported Channel 1WADEunspeunkno17583.01501.17UNSPUNSPUNSPunknUNSPUNSPUNSP
81938-09-28 09:00CSTYesRLT/HHCUSGS2261.030.022.50Good NONE1Imported Channel 1WADEunspeunkno22695.01821.24UNSPUNSPUNSPunknUNSPUNSPUNSP
71938-09-28 08:00CSTYesRLT/HHCUSGS2341.030.022.50Unspecified NONE1Imported Channel 1WADEunspeunkno23495.01811.29UNSPUNSPUNSPunknUNSPUNSPUNSP
61938-09-08 -- ----YesELH/RLTUSGS2881.480.001.50Good NONE1Imported Channel 1WADEunspeunkno28897.02191.32UNSPUNSPUNSPunknUNSPUNSPUNSP
51938-08-05 -- ----YesBPSUSGS6353.26-0.031.00Fair NONE1Imported Channel 1CRANunspeunkno6351264.281.48UNSPUNSPUNSPunknUNSPUNSPUNSP
41938-08-03 -- ----YesBPSUSGS16306.46-0.111.50Good NONE1Imported Channel 1CRANunspeunkno16301448571.91UNSPUNSPUNSPunknUNSPUNSPUNSP
31938-07-20 -- ----YesBPS/DSWUSGS6863.020.061.50Good NONE1Imported Channel 1CRANunspeunkno6861224581.50UNSPUNSPUNSPunknUNSPUNSPUNSP
21935-11-07 -- ----YesELHUSGS2090.96-0.010.70Unspecified NONE1Imported Channel 1WADEunspeunkno20990.01571.33UNSPUNSPUNSPunknUNSPUNSPUNSP
11933-10-25 -- ----YesNAUSGS2411.010.000.80FairDebrisModerateNONE1Imported Channel 1CRANunspeunkno24194.01981.22UNSPUNSPUNSPunknUNSPUNSPUNSP