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Streamflow Measurements for the Nation

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USGS 01189211 GRIMES BROOK AT SIMSBURY, CT


Capitol Planning Region County, Connecticut
Hydrologic Unit Code 010802070602
Latitude  41°52'30", Longitude  72°49'11" NAD27
Drainage area 1.3  square miles
Gage datum 201.57 feet above NAVD88
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without 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)
872025-11-21 14:55:32ESTYesSCBUSGS1.120.810.000.50FairClearNONE101189211WADEQSCMMVADV1.128.004.850.23FIRMSANDEVENSTDYEVENUNKNUPST10.00
862025-08-04 10:09:01ESTYesSCBUSGS1.410.880.000.50FairClearNONE101189211WADEQSCMMVADV1.419.406.200.23FIRMGRVLEVENSTDYEVENUNKNUPST15.00
852025-06-30 10:21:37ESTYesSCBUSGS1.580.90-0.010.50FairClearNONE101189211WADEQSCMMVADV1.589.006.730.23FIRMGRVLEVENSTDYEVENUNKNUPST10.00
842025-04-14 09:28:30ESTYesVMSUSGS3.061.100.000.60GoodClearNONE1mainWADEQSCMMVADV3.0610.07.870.39FIRMSANDEVENSTDYEVENUNKNUPST5.00
832025-02-10 09:16:04ESTYesCJGUSGS1.230.860.000.50FairDebrisHeavyNONE1MainWADEQSCMMVADV1.239.007.340.17FIRMGRVLEVENSTDYEVENUNKNUPST5.00
822024-09-26 07:00:52ESTYesEWPUSGS1.130.830.000.50FairFillControlChangedNONE1Grimes BrookWADEQSCMMVADV1.138.705.640.20FIRMsiltEVENSTDYEVENUNKNUPST25.00
812024-08-02 11:23:18ESTYesEWPUSGS1.720.970.000.50FairClearNONE1GrimesWADEQSCMMVADV1.729.206.800.25SOFTSANDUNEVSTDYEVENUNKNUPST15.00
802024-06-06 13:06ESTYesEWP/NPPUSGS2.351.010.000.75FairClearNONE1Grimes BrookWADEQSCMMVADV2.3510.08.460.28FIRMSANDEVENSTDYEVENUNKNUPST15.00
792024-06-06 12:57:46ESTYesEWP/NPPUSGS1.981.010.000.50FairClearNONE1Grimes BrookWADEQSCMMVADV1.989.906.660.30FIRMSANDEVENSTDYEVENUNKNATGA0.00
782023-08-03 09:27:13ESTYesNDUSGS1.440.890.000.60FairClearNONE1main.ckWADEQSCMMVADV1.449.005.870.25FIRMSANDEVENSTDYEVENUNKNUPST6.00
772023-08-03 08:39:28ESTYesNDUSGS1.500.890.000.70PoorClearNONE1MainWADEQSCMMVADV1.509.006.070.25FIRMSANDEVENSTDYEVENUNKNUPST6.00
762023-04-06 11:46:58ESTYesNDUSGS3.061.110.000.60GoodClearNONE1MainWADEQSCMMVADV3.069.708.210.37FIRMSANDEVENSTDYEVENUNKNUPST10.00
752022-09-27 08:47:43ESTYesNDUSGS0.960.760.000.60GoodVegetationLightNONE1MainWADEQSCMMVADV0.969.305.140.19FIRMSANDEVENSTDYEVENUNKNUPST10.00
742022-08-03 10:33:20ESTYesNDUSGS0.290.480.000.60PoorClearNONE1main.ckWADEQSCMMVADV0.299.002.620.11UNSPUNSPUNSPUNSPUNSPUNSPUNSP
732022-08-03 09:42:24ESTYesNDUSGS0.290.480.000.70PoorClearNONE1MainWADEQSCMMVADV0.299.002.580.11FIRMSANDEVENSTDYEVENUNKNUPST10.00
722022-06-14 09:33:29ESTYesNDUSGS1.170.820.000.60FairClearNONE1main.ckWADEQSCMMVADV1.1710.05.810.20FIRMSANDEVENSTDYEVENUNKNUPST6.00
712022-06-14 08:50:12ESTYesNDUSGS1.220.820.000.70FairClearNONE1MainWADEQSCMMVADV1.2210.05.900.21FIRMSANDEVENSTDYEVENUNKNUPST6.00
702022-05-04 08:45:54ESTYesNDUSGS2.401.030.000.60GoodClearNONE1MainWADEQSCMMVADV2.4010.08.180.29FIRMSANDEVENSTDYEVENUNKNUPST10.00
692022-02-22 11:25:37ESTYesNDUSGS2.771.080.000.70GoodClearNONE1MainWADEQSCMMVADV2.7710.08.170.34FIRMSANDEVENSTDYEVENUNKNUPST10.00
682021-12-14 09:43:01ESTYesNDUSGS2.321.040.000.60GoodClearNONE1MainWADEQSCMMVADV2.329.207.970.29FIRMSANDEVENSTDYEVENUNKNUPST10.00
672021-10-13 12:34:57ESTYesNDUSGS2.731.070.000.50GoodClearNONE1mainWADEQSCMMVADV2.739.408.220.33FIRMSANDEVENSTDYEVENUNKNUPST15.00
662021-08-10 08:44:34ESTYesNDUSGS1.170.850.000.50PoorDebrisLightNONE1MainWADEQSCMMVADV1.179.404.640.25SOFTsiltEVENSTDYEVENUNKNUPST10.00
652021-06-15 09:10:03ESTYesNDUSGS1.920.990.000.70FairClearNONE1mainWADEQSCMMVADV1.9210.05.690.34FIRMGRVLEVENSTDYEVENUNKNUPST10.00
642021-03-24 09:32:12ESTYesNDUSGS2.321.040.000.60FairClearNONE1main.ckWADEQSCMMVADV2.329.0010.70.22SOFTSANDEVENSTDYEVENUNKNUPST30.00
632021-03-24 08:37:49ESTYesNDUSGS2.301.040.000.70GoodClearNONE1mainWADEQSCMMVADV2.309.0010.90.21SOFTSANDEVENSTDYEVENUNKNUPST30.00
622020-10-02 10:27:21ESTYesND/SCBUSGS0.680.680.000.50FairClearNONE101189211WADEQSCMMVADV0.687.505.770.12SOFTSANDEVENSTDYEVENUNKNUPST30.00
612020-10-02 10:20:52ESTYesND/SCBUSGS0.740.680.000.50FairClearNONE101189211WADEQSCMMVADV0.747.605.820.13SOFTSANDEVENSTDYEVENUNKNUPST30.00
602020-07-29 09:29:52ESTYesNPP/CJGUSGS0.100.45 PoorClearNONE1MAIN_FT2WADEQSCMMVADV0.105.601.620.06UNSPUNSPUNSPUNSPUNSPUNSPUNSP
592020-07-14 12:58:30ESTYescjgUSGS0.340.63 0.50PoorClearNONE1checkWADEQSCMMVADV0.346.302.650.13FIRMGRVLUNEVSTDYUNEVUNKNDNST5.00
582020-07-14 12:27:30ESTYescjgUSGS0.520.64 0.60PoorClearNONE1MainWADEQSCMMVADV0.526.902.790.19FIRMGRVLEVENSTDYUNEVUNKNDNST10.00
572020-06-09 09:03:30ESTYesCJG/PJMUSGS0.980.820.000.20PoorClearNONE1checkWADEQSCMMVADV0.987.103.330.30SOFTSANDEVENSTDYEVENSTNDDNST5.00
562020-06-09 08:34:30ESTYesCJG/PJMUSGS0.940.820.000.50PoorClearNONE1MainWADEQSCMMVADV0.949.104.030.23SOFTSANDEVENSTDYUNEVSTNDATGA0.00
552020-05-27 15:06:46ESTYesSCBUSGS1.430.890.010.66FairClearNONE101189211WADEQSCMMVADV1.438.507.060.20FIRMSANDEVENSTDYEVENUNKNUPST30.00
542020-01-09 10:10:59ESTYesSCBUSGS2.651.070.000.60FairDebrisLightNONE101189211WADEQSCMMVADV2.659.205.650.47FIRMGRVLEVENSTDYEVENUNFMUPST10.00
522019-07-18 11:14:33ESTYesNPP/CAJUSGS0.350.620.000.50Poor NONE1grimes1WADEQSCMMVADV0.358.504.640.08FIRMCBLSUNEVSTDYUNEVUNKNDNST40.00
532019-07-18 11:13ESTYesNPP/CAJUSGS0.440.620.000.50Poor NONE1grimes2WADEQSCMMVPAA0.447.402.870.15FIRMGRVLUNEVSTDYUNEVUNKNDNST80.00
512018-11-21 10:18:30ESTYesSEHUSGS5.851.260.001.00FairDebrisLightNONE1FT2WADEQSCMMVADV5.858.909.080.64FIRMGRVLEVENSTDYUNEVUNKNUPST10.00
502018-10-04 11:12:12ESTYesNPPUSGS2.491.040.000.50GoodClearNONE101189211WADEQSCMMVADV2.4910.06.560.38SOFTGRVLEVENSTDYUNEVUNKNATGA0.00
492018-05-11 09:03ESTYesSEHUSGS2.271.050.000.50GoodClearNONE1FT MainWADEQSCMMVADV2.278.806.120.37FIRMSANDEVENSTDYEVENUNKNUPST5.00
482017-08-09 08:42:30ESTYesDEMUSGS0.390.600.000.55FairClearNONE101189211WADEQSCMMVADV0.397.802.350.17FIRMGRVLUNEVSTDYEVENSTNDUPST8.00
472017-06-13 12:44ESTYesSMUSGS0.720.74-0.010.80FairClearNONE1GrimesWADEQSCMMVADV0.727.902.230.32FIRMGRVLEVENSTDYEVENSTNDUPST5.00
462017-05-04 09:33:30ESTYesDEMUSGS2.161.020.000.60GoodClearNONE101189211WADEQSCMMVADV2.167.804.380.49FIRMGRVLEVENunknEVENSTNDUPST6.00
452016-10-17 13:36ESTYesDEMUSGS0.430.610.020.50PoorClearNONE101189211WADEQSCMMVADV0.435.902.180.20FIRMGRVLEVENunknEVENSTNDUPST15.00
442016-09-19 13:08ESTYesDEMUSGS0.720.76-0.040.80PoorClearNONE101189211WADEQSCMMVADV0.727.602.880.25FIRMGRVLEVENunknEVENSTNDUPST2.00
432016-08-15 09:08:30ESTYesDEMUSGS0.310.580.000.80PoorClearNONE101189211WADEQSCMMVADV0.317.402.470.12FIRMGRVLUNEVunknUNEVSTNDUPST3.00
422016-06-28 14:09:30ESTYesDEMUSGS0.240.580.000.80PoorVegetationHeavyNONE101189211WADEQSCMMVADV0.246.702.170.11FIRMCBLSUNEVunknUNEVNSTDUPST6.00
412016-02-19 13:07ESTYesNPPUSGS1.691.00-0.010.50Poor NONE101189211WADEQSCMMVADV1.699.004.390.38FIRMGRVLEVENunknEVENUNKNUPST200.00
402016-02-19 12:15:30ESTYesNPPUSGS2.091.01-0.020.50Fair NONE101189211WADEQSCMMVADV2.097.505.400.39FIRMGRVLEVENunknEVENUNKNATGA
392015-12-23 11:13ESTYesTCS/NPPUSGS1.130.84 FairDebrisLightNONE1mainWADEQSCMMVPYG1.139.402.320.49FIRMGRVLEVENunknEVENUNFMUPST170.00
382015-08-17 11:31:30ESTYesJEHUSGS0.520.68 FairClearNONE101189211WADEQSCMMVADV0.527.203.040.17FIRMGRVLEVENunknEVENUNFMUPST6.00
372015-07-16 12:21ESTYesHJWUSGS1.120.790.000.50PoorClearNONE1mainWADEQSCMMVADV1.125.603.920.29FIRMGRVLUNEVunknUNSPUNKNUPST165.00
362015-07-16 11:49ESTYesHJWUSGS1.110.790.000.50PoorClearNONE1mainWADEQSCMMVADV1.116.504.460.25FIRMGRVLUNEVunknUNSPUNKNUPST170.00
352014-10-15 14:50:30ESTYesdgtUSGS0.530.710.000.60FairClearNONE11WADEQSCMMVADV0.539.701.770.30FIRMCBLSEVENunknEVENSTNDUPST100.00
342014-07-09 11:00ESTYesdgtUSGS0.970.770.001.00FairClearNONE11WADEQSCMMVADV0.976.402.660.36SOFTSANDUNEVunknUNEVSTNDUPST15.00
332013-10-28 10:50ESTYesDGTUSGS1.080.820.000.50FairClearNONE11WADEQSCMMVADV1.085.302.720.40FIRMGRVLEVENunknEVENSTNDUPST7.00
322013-05-16 13:39:30ESTYesDGTUSGS1.410.940.000.50GoodClearNONE1mainWADEQSCMMVADV1.415.701.361.04FIRMGRVLEVENunknEVENSTNDUPST10.00
312012-10-09 15:39ESTYesDGTUSGS0.790.810.000.50FairClearNONE1Channel 1WADEQSCMMVPAA0.797.901.040.76FIRMLDGEEVENunknEVENSTNDDNST20.00
302012-08-22 10:11ESTYesRAMUSGS0.190.56 FairClearNONE1GBSWADEQSCMMVADV0.197.303.700.05SOFTSANDUNEVunknUNEVUNKNUPST50.00
292012-07-06 11:39:30ESTYesRAMUSGS0.590.94 PoorClearNONE1GBSJUL6WADEQSCMMVADV0.597.805.830.10FIRMGRVLUNEVunknUNEVUNKNUPST50.00
282012-07-06 10:44:30ESTYesRAMUSGS0.460.94 PoorVegetationModerateNONE1GBSjl6WADEQSCMMVADV0.4611.02.660.17FIRMGRVLUNEVunknUNEVUNKNUPST170.00
272011-09-13 13:12ESTYesJRNUSGS4.751.210.000.80GoodClearNONE1Imported Channel 1WADEQSCMMVADV4.759.803.971.20FIRMGRVLEVENunknEVENUNSPUNSP
262011-08-09 09:12ESTYesJRNUSGS1.480.940.000.80FairClearNONE1Imported Channel 1WADEQSCMMVADV1.487.104.070.36SOFTSANDEVENunknEVENUNSPUNSP
252011-07-12 09:35ESTYesJRNUSGS1.390.940.001.00PoorClearNONE1Imported Channel 1WADEQSCMMVADV1.396.604.980.28FIRMGRVLUNEVunknEVENUNSPUPST100.00
242011-06-06 08:44ESTYesJRNUSGS1.480.950.000.50PoorClearNONE1Imported Channel 1WADEQSCMMVADV1.486.705.350.28FIRMGRVLEVENunknEVENUNSPUPST100.00
232010-09-07 14:19ESTYesJRNUSGS0.160.460.000.50PoorClearNONE1Imported Channel 1WADEQSCMMVPYG0.162.100.610.26FIRMGRVLEVENunknUNEVUNSPUPST100.00
222010-08-09 09:10ESTYesJRNUSGS0.620.69 FairClearNONE1Imported Channel 1WADEQSCMMVPYG0.625.202.930.21SOFTsiltUNEVunknUNEVUNSPUPST20.00
212010-07-12 08:21ESTYesJRNUSGS0.940.83 FairClearNONE1Imported Channel 1WADEQSCMMVPYG0.949.301.820.52FIRMGRVLEVENunknUNEVUNSPUPST100.00
202009-08-10 11:47ESTYesJRNUSGS1.791.00 GoodClearNONE1Imported Channel 1WADEQSCMMVPYG1.798.803.850.46FIRMGRVLEVENunknEVENUNSPUPST150.00
192009-07-06 11:11ESTYesJRNUSGS1.040.84 FairClearNONE1Imported Channel 1WADEQSCMMVPYG1.045.002.930.35FIRMGRVLUNEVunknUNEVUNSPUPST300.00
182009-06-05 11:29ESTYesJRNUSGS0.940.81 GoodClearNONE1Imported Channel 1WADEQSCMMVPYG0.946.601.200.78FIRMGRVLEVENunknEVENUNSPUPST150.00
172008-09-08 10:23ESTYesJRNUSGS2.191.040.000.80GoodClearNONE1Imported Channel 1WADEunspeunkno2.196.554.540.48UNSPUNSPUNSPunknUNSPUNSPUNSP
162008-08-18 07:55ESTYesJRNUSGS1.630.980.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno1.6310.53.020.54UNSPUNSPUNSPunknUNSPUNSPUNSP
152008-07-21 07:43ESTYesJRNUSGS0.600.680.000.50FairClearNONE1Imported Channel 1WADEunspeunkno0.606.101.620.37UNSPUNSPUNSPunknUNSPUNSPUNSP
142008-06-18 10:15ESTYesJRNUSGS0.730.740.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno0.735.551.350.54UNSPUNSPUNSPunknUNSPUNSPUNSP
132008-06-18 09:40ESTYesJRNUSGS1.460.740.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno1.4610.74.770.31UNSPUNSPUNSPunknUNSPUNSPUNSP
122007-10-30 10:33ESTYesJMPUSGS0.210.530.000.10PoorClearNONE1Imported Channel 1WADEunspeunkno0.212.100.780.27UNSPUNSPUNSPunknUNSPUNSPUNSP
112007-10-30 10:12ESTYesJMPUSGS0.260.530.000.20PoorClearNONE1Imported Channel 1WADEunspeunkno0.263.300.680.38UNSPUNSPUNSPunknUNSPUNSPUNSP
102007-08-06 10:35ESTYesJMP/DAWUSGS0.290.580.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno0.292.750.810.36UNSPUNSPUNSPunknUNSPUNSPUNSP
92007-08-06 09:57ESTYesJMP/DAWUSGS0.380.580.000.80PoorClearNONE1Imported Channel 1WADEunspeunkno0.382.750.830.46UNSPUNSPUNSPunknUNSPUNSPUNSP
82007-07-12 08:56ESTYesJMPUSGS0.460.620.000.30PoorClearNONE1Imported Channel 1WADEunspeunkno0.462.750.820.56UNSPUNSPUNSPunknUNSPUNSPUNSP
72007-07-12 08:20ESTYesJMPUSGS0.440.620.000.30PoorClearNONE1Imported Channel 1WADEunspeunkno0.442.650.780.56UNSPUNSPUNSPunknUNSPUNSPUNSP
62007-05-01 08:48ESTYesJMPUSGS2.781.090.000.50FairClearNONE1Imported Channel 1WADEunspeunkno2.788.803.140.89UNSPUNSPUNSPunknUNSPUNSPUNSP
52006-10-27 07:27ESTYesJMPUSGS0.740.710.001.00PoorClearNONE1Imported Channel 1WADEunspeunkno0.744.701.980.37UNSPUNSPUNSPunknUNSPUNSPUNSP
42006-09-11 08:15ESTYesJMPUSGS0.850.78-0.010.70FairClearNONE1Imported Channel 1WADEunspeunkno0.856.502.890.29UNSPUNSPUNSPunknUNSPUNSPUNSP
32006-08-07 10:04ESTYesJMPUSGS1.280.90-0.030.40FairClearNONE1Imported Channel 1WADEunspeunkno1.286.305.910.31UNSPUNSPUNSPunknUNSPUNSPUNSP
22006-07-24 11:10ESTYesJMPUSGS0.990.830.000.70FairClearNONE1Imported Channel 1WADEunspeunkno0.998.305.090.19UNSPUNSPUNSPunknUNSPUNSPUNSP
12006-05-26 10:01ESTYesGKH/TCSUSGS2.791.100.000.80FairClearNONE1Imported Channel 1WADEunspeunkno2.797.803.120.90UNSPUNSPUNSPunknUNSPUNSPUNSP