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Streamflow Measurements for the Nation


USGS 02370100 BLACKWATER RIVER NR HOLT, FLA.


Santa Rosa County, Florida
Hydrologic Unit Code 03140104
Latitude  30°43'26", Longitude  86°47'34" NAD27
Drainage area 276.00  square miles
Gage datum 27.17 feet above NGVD29
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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)
181992-11-17 13:50CSTYesGTLUSGS364 -0.010.70Fair NONE1Imported Channel 1WADEunspeunkno3641032251.62UNSPUNSPUNSPunknUNSPUNSPUNSP
171992-09-29 15:55CDTYesGTLUSGS274 Good NONE1Imported Channel 1WADEunspeunkno27499.51891.45UNSPUNSPUNSPunknUNSPUNSPUNSP
161977-06-15 -- ----YesJECUSGS19013.350.000.60FairDebrisModerateNONE1Imported Channel 1WADEunspeunkno19077.01251.52UNSPUNSPUNSPunknUNSPUNSPUNSP
151968-05-09 -- ----YesJESUSGS1587.140.000.60Good NONE1Imported Channel 1WADEunspeunkno15854.01071.49UNSPUNSPUNSPunknUNSPUNSPUNSP
141967-05-03 -- ----YesDGUSGS1727.360.000.80Good NONE1Imported Channel 1WADEunspeunkno1721001171.47UNSPUNSPUNSPunknUNSPUNSPUNSP
131966-06-02 -- ----YesDGUSGS2888.200.001.00Unspecified NONE1Imported Channel 1WADEunspeunkno28893.01701.69UNSPUNSPUNSPunknUNSPUNSPUNSP
121965-05-25 -- ----YesPWPUSGS2657.96-0.050.70Unspecified NONE1Imported Channel 1WADEunspeunkno2651001771.50UNSPUNSPUNSPunknUNSPUNSPUNSP
111961-11-02 -- ----YesJLJUSGS2267.780.000.80Good NONE1Imported Channel 1WADEunspeunkno22684.01801.26UNSPUNSPUNSPunknUNSPUNSPUNSP
101961-05-18 -- ----YesDCCUSGS2808.28-0.011.10Good NONE1Imported Channel 1WADEunspeunkno28087.02071.35UNSPUNSPUNSPunknUNSPUNSPUNSP
91960-11-09 -- ----YesJLJ/DCCUSGS2217.670.002.30Unspecified NONE1Imported Channel 1WADEunspeunkno22182.01631.36UNSPUNSPUNSPunknUNSPUNSPUNSP
81960-10-07 -- ----YesDCC/JLJUSGS200013.740.061.40Unspecified NONE1Imported Channel 1WADEunspeunkno200091.07432.57UNSPUNSPUNSPunknUNSPUNSPUNSP
71960-08-24 -- ----YesPWPUSGS2788.010.000.60Good NONE1Imported Channel 1WADEunspeunkno27883.01731.61UNSPUNSPUNSPunknUNSPUNSPUNSP
61960-06-30 -- ----YesPWPUSGS2277.750.000.60Good NONE1Imported Channel 1WADEunspeunkno22784.01501.51UNSPUNSPUNSPunknUNSPUNSPUNSP
51960-04-05 -- ----YesCABUSGS654017.22-0.232.20Poor NONE1Imported Channel 1BOATunspeunkno6540146047401.39UNSPUNSPUNSPunknUNSPUNSPUNSP
41959-10-08 -- ----YesPWPUSGS75810.420.000.80Good NONE1Imported Channel 1BOATunspeunkno75892.03861.97UNSPUNSPUNSPunknUNSPUNSPUNSP
31959-08-28 -- ----YesPWPUSGS3028.32-0.031.00Fair NONE1Imported Channel 1WADEunspeunkno3021041871.62UNSPUNSPUNSPunknUNSPUNSPUNSP
21959-07-16 -- ----YesPWPUSGS3318.350.000.70Good NONE1Imported Channel 1WADEunspeunkno3311052101.57UNSPUNSPUNSPunknUNSPUNSPUNSP
11958-07-20 -- ----YesGAFUSGS4499.080.000.70Good NONE1Imported Channel 1WADEunspeunkno44998.02491.80UNSPUNSPUNSPunknUNSPUNSPUNSP