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Streamflow Measurements for the Nation


USGS 301537097492501 YD-58-42-811 (Backdoor Spring)
Travis County, Texas
Hydrologic Unit Code 12090205
Latitude  30°15'34.2", Longitude  97°49'25.3" NAD83
Spring discharges from the Edwards-Trinity aquifer system (S500EDRTRN) national aquifer.
Spring discharges from the Edwards and Associated Limestones (218EDRDA) local aquifer.
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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)
62023-11-07 10:53:10CSTYesSSM TAK DDSUSGS0.00 Poor NONE1MainWADEQSCMMVADV0.001.100.090.06FIRMGRVLUNEVSTDYUNEVUNKNDNST15.00
52023-08-09 08:27CDTYesSSM TAK KMSUSGS0.02 Poor NONE1MainWADEQSCMMVADV0.021.250.110.14FIRMGRVLUNEVSTDYEVENUNKNDNST20.00
42023-06-28 08:33:30CDTYesSSM MDS DDSUSGS0.03 Poor NONE1MainWADEQSCMMVADV0.032.000.250.11FIRMSANDEVENSTDYUNEVUNKNDNST15.00
32023-05-03 13:33:36CDTYesSSMUSGS0.03 Poor NONE1MainWADEQSCMMVADV0.031.500.200.17FIRMGRVLEVENSTDYUNEVUNKNATGA0.00
21972-05-01 -- ----YesGWSIUSGS0.02 Unspecified NONE1Imported Channel 1OTHRother 0.02 UNSPUNSPUNSPunknUNSPUNSPUNSP
11970-07-07 -- ----YesGWSIUSGS0.04 Unspecified NONE1Imported Channel 1OTHRother 0.04 UNSPUNSPUNSPunknUNSPUNSPUNSP