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Streamflow Measurements for the Nation


USGS 08171350 Blanco Rv at San Marcos, TX


Hays County, Texas
Hydrologic Unit Code 12100203
Latitude  29°52'46.24", Longitude  97°54'38.71" NAD83
Drainage area 436.0  square miles
Gage datum 542.97 feet above NAVD88
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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
 
542021-03-23 15:26CDTYesCAHUSGS0.487.560.000.50PoorFillControlChangedNONE
532021-02-09 13:35CSTYesCAHUSGS0.157.340.000.50FairDebrisModerateNONE
522020-12-08 11:05CSTYesCAHUSGS0.006.630.000.50UnspecifiedNoFlowNONE
512020-10-08 12:35CDTYesCAHUSGS0.007.330.000.20FairNoFlowNONE
502020-08-18 15:15CDTYesCAHUSGS0.006.820.000.10UnspecifiedNoFlowNONE
492020-06-25 10:27CDTYesCAHUSGS11.88.040.001.00FairFillControlChangedNONE
482020-04-28 12:55:30CDTYesCAHUSGS0.657.490.000.50PoorVegetationLightNONE
472020-02-26 13:28:30CSTYesHartmannUSGS0.147.430.000.15PoorVegetationModerateNONE
462019-12-27 14:02:30CSTYesCAHUSGS0.207.500.000.20Poor NONE
452019-10-23 10:27:30CDTYesCAHUSGS0.006.710.000.10UnspecifiedNoFlowNONE
442019-08-21 10:22:30CDTYesCAHUSGS1.877.540.001.00GoodDebrisModerateNONE
432019-06-27 12:18:11CDTYesCAHUSGS1118.920.000.50Fair NONE
422019-05-08 10:53:23CDTYesCAHUSGS43310.110.011.00FairDebrisModerateNONE
412019-03-29 23:59:30CDTYesCAHUSGS57.18.320.000.50FairVegetationModerateNONE
402019-02-04 16:22:15CSTYesCAH/BLPUSGS2209.220.001.00FairVegetationLightNONE
392018-11-14 13:39:30CSTYesCAHUSGS1338.940.011.00Poor NONE
382018-09-19 11:47CDTYesCAHUSGS29.58.030.001.00FairDebrisModerateNONE
372018-07-12 11:11CDTYesCAHUSGS2.847.410.001.00FairVegetationHeavyNONE
362018-05-21 10:22:30CDTYesCAHUSGS2.287.390.001.00FairVegetationModerateNONE
352018-03-23 08:23:30CDTYesCAHUSGS1.027.300.001.00FairVegetationModerateNONE
342018-01-18 11:33CSTYesCAHUSGS2.627.420.001.00FairVegetationModerateNONE
332017-11-13 14:55:30CSTYesABMUSGS2.387.390.000.20FairVegetationModerateNONE
322017-09-25 15:19:30CDTYesABMUSGS4.407.440.000.50FairVegetationLightNONE
312017-08-03 11:41CDTYesABM/PWBUSGS0.697.220.001.00Fair NONE
302017-06-14 13:10:09CDTYesABMUSGS33.47.910.000.20FairDebrisLightNONE
292017-04-12 09:37:16CDTYesABMUSGS133011.84-0.130.20FairDebrisModerateNONE
282017-02-21 14:02:46CSTYesABMUSGS55310.180.000.20FairDebrisLightNONE
272016-12-22 08:40:39CSTYesABMUSGS88.68.440.000.20FairDebrisLightNONE
262016-10-19 10:06:18CDTYesABMUSGS82.08.380.000.20FairClearNONE
252016-08-31 08:52:34CDTYesABMUSGS1768.910.000.20FairVegetationLightNONE
242016-06-22 08:24:06CDTYesABMUSGS3129.490.00 FairUnspecifedNONE
232016-05-20 10:01:34CDTYesABM/CAPUSGS218013.71-0.080.20FairDebrisModerateNONE
222016-05-20 09:36:01CDTYesABM/CAPUSGS226013.82-0.040.20FairDebrisModerateNONE
212016-05-19 19:38:30CDTYesABM/MASUSGS676017.240.090.20PoorDebrisModerateNONE
202016-05-19 19:02:44CDTYesABM/MASUSGS515017.020.200.50PoorDebrisModerateNONE
192016-04-18 09:49:58CDTYesABMUSGS62310.630.160.20FairClearNONE
182016-04-18 08:45:11CDTYesABMUSGS3029.750.200.10PoorClearNONE
172016-02-24 08:22:16CSTYesABMUSGS85.18.730.000.20FairDebrisLightNONE
162015-12-15 10:45:23CSTYesABM/GDUUSGS3409.79-0.020.30FairDebrisLightNONE
152015-10-09 08:13CDTYesABMUSGS1.097.770.000.40FairDebrisLightNONE
142015-08-03 10:09:15CDTYesABMUSGS62.08.710.000.20FairClearNONE
132015-06-24 12:14:57CDTYesABM/CAPUSGS54310.570.000.20FairDebrisLightNONE
122015-06-24 11:47:12CDTYesABM/CAPUSGS54010.570.000.20FairDebrisLightNONE
112015-05-25 11:42:46CDTYesABM/MBNUSGS397016.38-0.020.20FairDebrisLightNONE
102015-05-21 11:01:09CDTYesABM/RLSUSGS66211.820.000.20FairDebrisModerateNONE
92015-05-21 10:37:23CDTYesABM/RLSUSGS69711.820.000.20FairDebrisModerateNONE
82015-05-14 10:20:24CDTYesABM/MASUSGS33411.160.010.20FairDebrisLightNONE
72015-05-14 09:53:54CDTYesABM/MASUSGS35911.190.020.30FairDebrisLightNONE
62015-05-13 15:17:47CDTYesABM/MASUSGS80.69.870.000.20FairDebrisLightNONE
52015-05-13 14:47:45CDTYesABM/MASUSGS78.89.890.020.40FairDebrisLightNONE
42015-04-06 14:45:30CDTYesABMUSGS21.99.010.000.60FairVegetationModerateNONE
32015-02-19 12:41:30CSTYesABMUSGS5.558.270.00 Fair NONE
22015-01-22 10:16:25CSTNo
12015-01-22 09:49:02CSTNo