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Streamflow Measurements for the Nation


USGS 08180586 San Geronimo Ck nr Helotes, TX
Bexar County, Texas
Hydrologic Unit Code 12100302
Latitude  29°37'11.02", Longitude  98°47'42.55" NAD83
Drainage area 31.1  square miles
Contributing drainage area 31.1  square miles
Gage datum 1,230 feet above NAVD88
Output formats
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HTML table without channel data
Tab-separated data with channel data
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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)
882024-10-18 10:49CDTYesCAHUSGS0.002.250.000.10PoorNoFlowNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPDNST60.00
872024-09-17 13:02:01CDTYesCAHUSGS0.232.300.001.00FairVegetationModerateNONE1MainWADEQSCMMVADV0.2316.04.980.05FIRMLDGEUNEVSTDYUNSPSTNDUPST80.00
862024-08-12 09:51CDTYesCAHUSGS0.002.250.000.20Fair NONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPUPST75.00
852024-07-10 13:44CDTYesCAHUSGS0.002.240.000.20GoodVegetationModerateNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPUPST100.00
842024-05-06 11:44CDTYesCAHUSGS0.102.300.000.10FairVegetationLightNONE1MainOTHRother 0.10 FIRMLDGEUNEVSTDYUNSPSTNDUPST60.00
832024-02-21 14:19:18CSTYesCAHUSGS0.122.300.001.00PoorVegetationLightNONE1MainWADEQSCMMVADV0.1214.02.560.05FIRMLDGEUNEVSTDYUNSPSTNDUPST80.00
822023-11-14 11:33:34CSTYesCAHUSGS0.082.290.000.80PoorVegetationModerateNONE1MainWADEQSCMMVADV0.0816.04.490.02SOFTLDGEUNEVSTDYUNSPSTNDUPST80.00
812023-07-18 09:51CDTYesCAHUSGS0.002.280.000.10ExcellentNoFlowNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPDNST100.00
802023-06-14 10:25:01CDTYesCAHUSGS1.142.330.001.00PoorVegetationHeavyNONE1MainWADEQSCMMVADV1.1432.08.810.13FIRMUNSPUNEVSTDYUNSPSTNDUPST2000.00
792023-03-03 11:10CSTYesCAHUSGS0.002.250.000.50ExcellentNoFlowNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
782023-01-06 13:46:58CSTYesCAHUSGS0.002.110.000.10ExcellentVegetationModerateNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
772022-11-04 08:32CDTYesCAHUSGS0.001.400.000.10ExcellentNoFlowNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
762022-08-19 12:05CDTYesCAHUSGS0.001.310.000.10FairNoFlowNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
752022-06-27 09:45CDTYesCAHUSGS0.001.450.000.10FairNoFlowNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
742022-05-18 09:07CDTYesCAHUSGS0.032.260.000.50PoorVegetationModerateNONE1MainOTHRother 0.03 FIRMLDGEUNEVSTDYUNSPSTNDDNST50.00
732022-03-17 11:03CDTYesCAHUSGS0.362.320.000.50PoorVegetationModerateNONE1MainWADEQSCMMVADV0.3617.05.390.07FIRMLDGEUNEVSTDYUNSPSTNDUPST60.00
722022-02-02 11:50CSTYesABMUSGS0.602.330.00 FairDebrisLightNONE1MAINWADEQSCMMVADV0.6015.05.320.11FIRMLDGEEVENSTDYEVENSTNDDNST30.00
712021-12-29 08:09CSTYesABMUSGS1.262.360.000.50FairDebrisLightNONE1mainWADEQSCMMVADV1.2639.016.20.08FIRMLDGEEVENSTDYEVENSTNDDNST15.00
702021-10-26 15:46CDTYesABMUSGS4.952.420.000.50FairDebrisLightNONE1mainWADEQSCMMVADV4.9537.514.40.34FIRMLDGEEVENSTDYEVENSTNDDNST15.00
692021-09-14 14:40CDTYesABMUSGS1.022.350.000.50FairDebrisModerateNONE1mainWADEQSCMMVADV1.0216.54.800.21FIRMLDGEEVENSTDYEVENSTNDDNST5.00
682021-07-20 14:30:04CDTYesABMUSGS12.82.560.000.30FairDebrisLightNONE1mainWADEQADCPVADCP12.834.055.10.23FIRMLDGEEVENSTDYUNEVSTNDUPST10.00
672021-06-03 14:34CDTYesABMUSGS11.62.570.000.50FairDebrisLightNONE1MAINWADEQSCMMVADV11.639.018.80.62FIRMLDGEEVENSTDYEVENSTNDDNST30.00
662021-04-20 14:20CDTYesABMUSGS0.002.290.00 FairNoFlowNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
652021-02-25 13:45CSTYesABMUSGS0.002.30 ExcellentNoFlowNONE1mainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPDNST75.00
642020-12-09 07:20:30CSTYesJDKUSGS0.002.230.000.00GoodNoFlowNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
632020-10-22 07:20CDTYesJDKUSGS0.002.160.000.00ExcellentNoFlowNONE1MainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPDNST100.00
622020-09-09 13:15CDTYesABMUSGS0.002.240.00 ExcellentNoFlowNONE1mainOTHRother 0.00 UNSPUNSPUNSPUNSPUNSPUNSPDNST20.00
612020-07-15 08:07CDTYesJDKUSGS0.132.310.000.43FairDebrisLightNONE1MainWADEQSCMMVADV0.1317.03.340.04FIRMLDGEEVENSTDYEVENUNKNDNST80.00
602020-05-18 08:55CDTYesABMUSGS1.982.360.00 FairDebrisLightNONE1mainWADEQSCMMVADV1.9831.05.510.36FIRMLDGEEVENSTDYEVENSTNDDNST30.00
592020-03-23 10:45CDTYesABMUSGS1.662.350.000.50FairDebrisLightNONE1mainWADEQSCMMVADV1.6634.012.70.13FIRMLDGEEVENSTDYUNEVSTNDDNST75.00
582020-01-31 08:43CSTYesABMUSGS1.192.350.000.50FairVegetationLightNONE1mainWADEQSCMMVADV1.1926.07.580.16FIRMLDGEEVENSTDYEVENSTNDDNST40.00
572019-11-05 09:05CSTYesVAM/ABMUSGS1.262.350.001.00Fair NONE1MainWADEQSCMMVADV1.2628.04.710.27FIRMLDGEEVENSTDYEVENUNFMDNST75.00
562019-10-09 08:51CDTYesABMUSGS1.012.340.000.50FairDebrisLightNONE1mainWADEQSCMMVADV1.0121.03.940.26FIRMLDGEEVENSTDYEVENSTNDDNST50.00
552019-07-30 08:39CDTYesABMUSGS6.802.460.000.60FairClearNONE1mainWADEQSCMMVADV6.8046.412.50.55FIRMLDGEEVENSTDYEVENSTNDDNST75.00
542019-05-29 09:29CDTYesABMUSGS20.82.590.00 FairVegetationLightNONE1mainWADEQSCMMVADV20.841.015.01.38FIRMLDGEEVENSTDYUNEVSTNDDNST75.00
532019-04-09 09:16CDTYesABMUSGS4.162.420.000.40FairVegetationLightNONE1mainWADEQSCMMVADV4.1640.014.40.29FIRMLDGEEVENSTDYEVENSTNDDNST40.00
522019-02-05 10:42:30CSTYesABMUSGS11.92.520.000.50FairClearNONE1mainWADEQSCMMVADV11.946.512.80.93FIRMLDGEEVENSTDYEVENSTNDDNST40.00
512018-11-07 10:03:48CSTYesABMUSGS39.62.750.000.20FairClearNONE1main, checkBRDSQADCPVADCP39.636.468.30.58FIRMLDGEEVENSTDYEVENSTNDUPST15.00
502018-11-07 09:34:54CSTYesABMUSGS41.82.750.000.20FairClearNONE1mainBRDSQADCPVADCP41.836.267.80.62FIRMLDGEEVENSTDYEVENSTNDUPST15.00
492018-09-14 09:45CDTYesABMUSGS50.42.830.000.50FairDebrisLightNONE1mainWADEQSCMMVADV50.442.036.81.37FIRMLDGEEVENSTDYUNEVSTNDDNST20.00
482018-07-11 09:48CDTYesABMUSGS3.162.38-0.010.50FairDebrisLightNONE1MainWADEQSCMMVADV3.1629.06.610.48FIRMLDGEEVENSTDYUNEVSTNDDNST35.00
472018-05-03 09:42CDTYesABMUSGS1.722.360.000.50FairDebrisLightNONE1mainWADEQSCMMVADV1.7224.04.000.43FIRMLDGEUNEVSTDYUNEVSTNDDNST25.00
462018-03-08 09:30CSTYesABMUSGS0.442.320.00 PoorVegetationModerateNONE1mainWADEQSCMMVADV0.4414.02.140.20FIRMLDGEEVENSTDYEVENSTNDDNST60.00
452018-01-31 09:03:30CSTYesABMUSGS0.402.310.000.50PoorDebrisLightNONE1mainWADEQSCMMVADV0.4012.52.400.16FIRMLDGEEVENSTDYUNEVSTNDDNST30.00
442017-11-28 15:20CSTYesCAHUSGS0.262.310.000.10PoorVegetationLightNONE1MainOTHRother 0.26 FIRMLDGEUNEVSTDYUNSPSTNDUPST75.00
432017-09-18 11:35CDTYesCAHUSGS0.112.280.000.20Poor NONE1MainOTHRother 0.11 FIRMLDGEUNEVSTDYUNSPSTNDUPST100.00
422017-07-27 07:36CDTYesCAHUSGS0.132.270.000.50PoorVegetationModerateNONE1MainWADEQSCMMVADV0.137.502.210.06SOFTLDGEUNEVSTDYUNSPSTNDUPST60.00
412017-05-30 11:18CDTYesCAHUSGS1.422.350.001.00FairVegetationLightNONE1MainWADEQSCMMVADV1.4226.06.580.22SOFTLDGEUNEVSTDYUNEVSTNDUPST50.00
402017-03-27 12:35CDTYesCAHUSGS7.902.480.001.00FairVegetationLightNONE1MainWADEQSCMMVADV7.9028.510.40.76FIRMLDGEUNEVunknUNSPSTNDUPST50.00
392017-01-30 11:17CSTYesCAHUSGS7.222.480.001.00FairVegetationLightNONE1MainWADEQSCMMVADV7.2222.58.370.86UNSPUNSPUNSPunknUNSPUNSPUNSP
382016-12-05 15:01:55CSTYesCAHUSGS36.02.730.010.50FairVegetationLightNONE1MainBRDSQADCPVADCP36.023.944.80.80FIRMLDGEUNEVunknUNSPSTNDUPST10.00
372016-10-11 10:54CDTYesCAHUSGS1.312.340.001.00PoorVegetationLightNONE1MainWADEQSCMMVADV1.3124.96.470.20FIRMLDGEUNEVunknUNSPSTNDUPST120.00
362016-08-12 09:10CDTYesCAHUSGS1.482.340.001.00FairVegetationLightNONE1MainWADEQSCMMVADV1.4817.05.390.27FIRMLDGEUNEVunknUNSPSTNDDNST100.00
352016-06-01 09:34:02CDTYesCAHUSGS55.42.860.000.50FairVegetationLightNONE1MainBRDSQADCPVADCP55.425.653.31.04FIRMLDGEUNEVunknUNEVSTNDATGA
342016-04-04 12:42CDTYesCAHUSGS3.362.390.001.00FairVegetationLightNONE1MainWADEQSCMMVADV3.3627.07.720.44FIRMLDGEUNEVunknUNSPSTNDUPST60.00
332016-02-16 11:30CSTYesCAHUSGS4.062.400.001.00FairVegetationLightNONE1MainWADEQSCMMVADV4.0616.014.60.28SOFTBLDRUNEVunknUNSPSTNDUPST60.00
322015-12-07 15:38CSTYesCAHUSGS11.42.520.000.50FairVegetationLightNONE1MainWADEQSCMMVADV11.435.015.00.76FIRMLDGEUNEVunknUNSPSTNDUPST75.00
312015-10-05 09:48CDTYesCAHUSGS0.122.300.000.50PoorVegetationLightNONE1MainWADEQSCMMVADV0.121.900.270.43FIRMLDGEUNEVunknUNSPSTNDUPST75.00
302015-07-20 10:07CDTYesCAHUSGS6.372.44 FairDebrisLightNONE1MainWADEQSCMMVADV6.3714.812.50.51SOFTGRVLUNEVunknUNSPSTNDDNST40.00
292015-05-17 12:44:02CDTYesCAHUSGS1923.59 FairDebrisModerateNONE1MainBRDSQADCPVADCP19246.41201.60FIRMLDGEUNEVunknUNSPSTNDATGA
282015-03-30 10:28CDTYesCAHUSGS1.962.350.001.00PoorVegetationLightNONE1MainWADEQSCMMVADV1.9625.05.590.35FIRMLDGEUNEVunknUNSPSTNDDNST100.00
272015-02-09 11:34CSTYesCAHUSGS1.872.36 FairVegetationLightNONE1MainWADEQSCMMVADV1.8736.020.40.09FIRMLDGEUNEVunknUNEVSTNDDNST85.00
262014-12-10 11:55CSTYesCAHUSGS0.142.290.000.50PoorDebrisLightNONE1MainOTHRother 0.14 FIRMLDGEEVENunknUNSPSTNDDNST75.00
252014-10-06 14:07CDTYesCAHUSGS0.002.160.000.50GoodNoFlowNONE1MainOTHRother 0.00 FIRMLDGEUNEVunknUNSPUNKNDNST200.00
242014-07-31 12:22CDTYesKAB/mspUSGS0.122.280.000.50PoorVegetationLightNONE1Surface Float- DamOTHRother 0.12 FIRMLDGEUNEVunknUNEVNSTDDNST400.00
232014-06-06 12:22CDTYesMSPUSGS0.322.310.000.50PoorVegetationLightNONE1Surface Float at DamOTHRother 0.32 SOFTLDGEUNEVunknUNEVSTNDDNST300.00
222014-04-03 15:40CDTYesMSP/kabUSGS0.052.270.000.50PoorVegetationLightNONE1at damOTHRother 0.05 FIRMLDGEUNEVunknUNEVSTNDDNST400.00
212014-02-12 15:07:30CSTYesMSPUSGS0.062.280.000.50PoorClearNONE1Downstream at damOTHRother 0.06 FIRMLDGEUNEVunknUNEVUNFMDNST400.00
202013-12-27 12:47CSTYesKAB/MSPUSGS0.622.320.001.00FairVegetationLightNONE1DownstreamWADEQSCMMVADV0.6240.020.60.03FIRMLDGEUNEVunknUNEVSTNDDNST60.00
192013-10-18 11:21CDTYesmspUSGS0.412.280.001.00FairVegetationLightNONE1at controlWADEQSCMMVADV0.4145.011.30.04FIRMLDGEUNEVunknUNEVSTNDUNSP
182013-08-20 12:42CDTYesmspUSGS0.002.150.000.50ExcellentNoFlowNONE1mainOTHRother 0.00 FIRMLDGEUNEVunknUNSPUNKNATGA
172013-06-20 12:44CDTYesmspUSGS0.652.280.000.50FairVegetationModerateNONE1MainWADEQSCMMVADV0.6527.05.400.12FIRMLDGEEVENunknUNEVSTNDDNST80.00
162013-04-26 13:47CDTYesmspUSGS0.412.300.001.00GoodVegetationLightNONE1MainWADEQSCMMVADV0.4117.04.340.09FIRMLDGEUNEVunknUNEVSTNDDNST60.00
152012-11-19 15:56CSTYesMSPUSGS2.002.400.001.00FairDebrisLightNONE1Regular CrossingWADEQSCMMVADV2.0043.051.00.04FIRMLDGEEVENunknUNEVSTNDDNST20.00
142012-11-19 14:11:30CSTYesMSPUSGS2.122.400.001.00PoorDebrisLightNONE1CheckWADEQSCMMVADV2.1243.050.80.04FIRMLDGEEVENunknUNEVSTNDDNST20.00
132012-11-19 13:32:52CSTYesMSPUSGS1.832.400.001.00FairDebrisLightNONE1MAINWADEQSCMMVADV1.8350.013.80.13FIRMLDGEEVENunknUNEVSTNDDNST80.00
122012-10-02 16:25CDTYesMSPUSGS12.52.570.001.20PoorUnspecifedNONE1MainWADEQSCMMVADV12.544.059.30.21FIRMLDGEEVENunknUNEVSTNDDNST30.00
112012-05-25 11:02CDTYesMLW,ALSUSGS9.982.480.000.80GoodClearNONE1MainWADEQSCMMVADV9.9841.556.20.18FIRMLDGEEVENunknUNEVSTNDDNST20.00
102012-04-09 10:40CDTYesMLWUSGS5.672.420.000.60FairClearNONE1MainWADEQSCMMVADV5.6742.554.00.10FIRMLDGEEVENunknUNEVSTNDDNST25.00
92012-03-20 09:10CDTYesjmbUSGS47.52.79 0.40UnspecifiedUnspecifedNONE1Imported Channel 1WADEother 47.5 UNSPUNSPUNSPunknUNSPUNSPUNSP
82012-02-14 09:52:30CSTYesMLWUSGS1.082.300.000.50PoorClearNONE1Imported Channel 1WADEQSCMMVADV1.0843.546.70.02FIRMLDGEEVENunknEVENSTNDDNST15.00
72011-07-08 11:55CDTYesmlwUSGS0.001.75 ExcellentClearNONE1Channel 1OTHRother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
62011-06-07 08:40CDTYesmlwUSGS0.002.17 GoodClearNONE1Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
52011-05-11 16:22CDTYesmlwUSGS1.512.230.000.50FairClearNONE1Imported Channel 1WADEQSCMMVADV1.5144.046.80.03FIRMLDGEEVENunknUNEVSTNDDNST30.00
42011-04-13 11:54CDTYesmlwUSGS1.342.260.000.70FairDebrisLightNONE1Imported Channel 1WADEQSCMMVADV1.3442.048.00.03FIRMLDGEEVENunknUNEVUNSPDNST20.00
32011-04-13 09:55CDTYesmlwUSGS1.492.260.000.70FairDebrisLightNONE1Imported Channel 1WADEQSCMMVADV1.4942.047.70.03FIRMLDGEEVENunknUNEVUNSPDNST20.00
22011-03-29 12:22CDTYesmlwUSGS0.642.270.000.80FairDebrisLightNONE1Imported Channel 1WADEQSCMMVADV0.6442.047.20.01FIRMLDGEEVENunknUNEVUNSPDNST20.00
12011-03-29 11:25CDTYesmlwUSGS0.862.270.000.60PoorDebrisLightNONE1MainWADEQSCMMVADV0.8643.048.30.02FIRMLDGEEVENunknUNEVUNSPDNST20.00