Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 50146000 RIO GRANDE DE ANASCO AT ANASCO, PR
Anasco Municipio, Puerto Rico
Hydrologic Unit Code 21010003
Latitude  18°16'31", Longitude  67°07'37" NAD27
Drainage area 139  square miles
Gage datum 32.8 feet above NGVD29
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format
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)
422025-12-10 10:23:30ASTYesJLC/JSBUSGS252 Poor NONE1MainMBOTQADCPVADCP25285.72610.97FIRMSANDEVENSTDYEVENSTNDUNSP
412025-08-06 13:48:24ASTYesMRT/JSBUSGS275 Poor NONE1MainBRDSQADCPVADCP27596.43370.82FIRMsiltEVENSTDYEVENUNFMUNSP
402025-05-29 07:53:16ASTYesJMC/JSBUSGS405 Good NONE1MainMBOTQADCPVADCP40598.54650.87FIRMGRVLEVENSTDYEVENSTNDATGA0.00
392025-02-26 13:26:29ASTYesGNH/LVAUSGS96.6 0.23Fair NONE1QW Main ADCPBRDSQADCPVADCP96.692.91800.54SOFTSANDEVENSTDYEVENSTNDATGA0.00
382024-10-29 08:40:16ASTYesMRQ/LVAUSGS1060 0.31Poor NONE1QW MainBRDSQADCPVADCP106088.44862.19FIRMsiltUNEVSTDYEVENSTNDUNSP
372024-08-07 12:17:11ASTYesMRT/LVAUSGS545 Fair NONE1MainBRDSQADCPVADCP54595.64711.16FIRMsiltEVENSTDYEVENSTNDUNSP
362024-05-22 13:06:58ASTYesJSB/LVA/MRQUSGS431 0.28Fair NONE1QW mainBRDSQADCPVADCP43193.53921.10FIRMsiltUNEVSTDYEVENSTNDUNSP
352024-02-22 12:58:30ASTYesMRQ/LVAUSGS81.3 Poor NONE1QW_MainBRDSQADCPVADCP81.374.11250.65FIRMsiltUNEVSTDYEVENSTNDUNSP
342023-11-15 08:32:37ASTYesLVA/MRQUSGS160 Fair NONE1QW MainBRDSQADCPVADCP16077.41700.94FIRMsiltUNEVSTDYEVENSTNDUNSP
332023-08-01 10:14:17ASTYesJSB/MRQ/LVAUSGS220 Fair NONE1QW MainBRDSQADCPVADCP22077.12161.02FIRMsiltUNEVSTDYEVENSTNDUNSP
322023-05-16 09:34:12ASTYesJSB/LVA/MRQUSGS89.9 Fair NONE1QW mainBRDSQADCPVADCP89.981.61880.48FIRMsiltUNEVSTDYEVENSTNDUNSP
312023-01-30 12:26:20ASTYesMRQ/JSBUSGS63.5 Poor NONE1QW_MainBRDSQADCPVADCP63.51023000.21FIRMsiltUNEVSTDYEVENSTNDUNSP
302022-11-02 08:44:08ASTYesMRQ/LVAUSGS1240 Poor NONE1QW mainBRDSQADCPVADCP12401216222.00FIRMsiltUNEVSTDYUNSPSTNDUNSP
292022-08-16 12:50:05ASTYesMRQ/LVAUSGS353 Poor NONE1MAIN QWBRDSQADCPVADCP35389.42621.34UNSPUNSPUNSPUNSPUNSPUNSPUNSP
282022-05-19 13:45:48ASTYesLVA/MRQUSGS72.8 Fair NONE1QW MainBRDSQADCPVADCP72.878.31350.54FIRMsiltUNEVSTDYEVENUNFMUNSP
272022-02-09 11:58:35ASTYesMRQ/LVAUSGS157 Fair NONE1QW mainBRDSQADCPVADCP15786.31700.92FIRMsiltUNEVSTDYEVENSTNDUNSP
262021-11-03 08:38:33ASTYesLVA/MRQUSGS485 Fair NONE1QW_mainBRDSQADCPVADCP48584.42831.72FIRMsiltUNEVSTDYEVENSTNDUNSP
252021-08-18 11:44:15ASTYesLVA/MRQUSGS360 Good NONE1MAIN QWBRDSQADCPVADCP36087.22561.41FIRMsiltUNEVSTDYEVENSTNDUNSP
242021-05-19 11:17:12ASTYesDSC/MRQUSGS135 Fair NONE1QW MainBRDSQADCPVADCP13592.31720.78FIRMsiltUNEVSTDYEVENSTNDUNSP
232021-03-24 13:59:58ASTYesDSC/JSB/JMC/USGS104 Fair NONE1MainMBOTQADCPVADCP10469.71530.68FIRMCBLSEVENSTDYEVENSTNDUPST10.00
222021-02-10 13:57:30ASTYesMRQ/MRTUSGS102 Poor NONE1MAINBRDSQADCPVADCP10279.31660.61FIRMsiltUNEVSTDYEVENSTNDUNSP
212020-11-18 10:52:39ASTYesMRQ/JSBUSGS343 0.15Good NONE1MainBRDSQADCPVADCP34386.62501.37SOFTsiltUNEVSTDYEVENSTNDUNSP
202020-08-26 13:30:16ASTYesMRQ/MRTUSGS329 Poor NONE1MAINBRDSQADCPVADCP32996.73480.94SOFTsiltUNEVSTDYEVENSTNDUNSP
192020-05-26 13:37:30ASTYesMRT/DARUSGS204 0.75Fair NONE1MainWADEQSCMMVADV20455.077.72.62FIRMGRVLEVENSTDYEVENSTNDUNSP
182020-02-04 13:17:10ASTYesDAR/DSC/LVA/USGS203 Fair NONE1MainWADEQSCMMVADV20365.093.62.16FIRMGRVLEVENSTDYEVENSTNDATGA0.00
172019-11-25 13:12:30ASTYesLVA/JCSUSGS204 Poor NONE150146000OTHRother 204 FIRMSANDUNEVSTDYUNSPSTNDUNSP
162019-07-30 15:03:19ASTYesJSB/DARUSGS556 Fair NONE1MainWADEQSCMMVADV55685.01683.30FIRMsiltEVENSTDYEVENSTNDUNSP
152019-05-07 16:45ASTYesEHT/JSBUSGS78.8 Good NONE1MainWADEQSCMMVADV78.868.079.30.99FIRMSANDEVENSTDYEVENUNFMATGA0.00
0142019-02-20 14:42:30ASTYesEHT/JSBUSGS105 0.80Fair NONE1MainWADEQSCMMVADV10574.094.21.12FIRMSANDEVENSTDYEVENUNFMATGA0.00
132018-10-31 12:03:38ASTYesMRT/JSBUSGS192 0.20Fair NONE150146000BRDSQADCPVADCP1921062190.88FIRMsiltEVENSTDYEVENUNKNUNSP
122018-08-15 12:07:38ASTYesMRT/JSB/DARUSGS330 Good NONE1MainBRDSQADCPVADCP3301032371.39FIRMsiltEVENSTDYEVENSTNDUNSP
112018-06-05 12:59:08ASTYesLVA/JSB/DARUSGS338 Fair NONE150146000BRDSQADCPVADCP33874.32561.32UNSPUNSPUNSPUNSPUNEVUNSPUNSP
102017-11-27 14:48:29ASTYesFAR/LVA/MRTUSGS721 0.25Good NONE150146000BRDSQADCPVADCP7211183871.86FIRMsiltEVENSTDYEVENSTNDUNSP
92017-05-23 14:32:25ASTYesJC/JS/MUSGS190 Fair NONE150146000CWAYQADCPVADCP19070.82910.65SOFTsiltUNEVunknUNEVSTNDUNSP
82017-03-21 14:04:04ASTYesBJR/BPGUSGS325 Fair NONE1mainBRDSQADCPVADCP32568.92971.10SOFTsiltUNEVunknUNEVUNFMUNSP
72016-11-01 14:36:31ASTYesBJR/EHUSGS2350 Fair NONE1mainBRDSQSCMMVPAA23501087023.35FIRMSANDEVENunknEVENNSTDUNSP
62016-05-24 11:18:22ASTYesBJR/MRTUSGS103 Poor NONE1mainBRDSQADCPVADCP10375.41040.98FIRMSANDEVENunknEVENSTNDUNSP
52016-02-03 10:55:52ASTYesbr/mrUSGS250 Good NONE1mainBRUSQSCMMVPAA25088.01901.31FIRMsiltEVENunknEVENSTNDUNSP
42015-11-18 10:10:23ASTYesCG/BRUSGS423 0.30Good NONE150146000BRDSQADCPVADCP42357.01792.37SOFTsiltEVENunknUNEVSTNDUNSP
32015-08-12 13:29:18ASTYesCG/BRUSGS155 0.30Poor NONE150146000BRDSQADCPVADCP15543.869.32.24SOFTSANDUNEVunknUNEVSTNDUNSP
22015-05-20 08:36:47ASTYesCG, SAUSGS280 Poor NONE1mainBRDSQADCPVADCP28061.41242.26FIRMGRVLEVENunknUNEVSTNDDNST20.00
12014-11-17 12:54ASTYesAT/CG/IRUSGS1020 UnspecifiedClearNONE150146000BRUSQSCMMVPAA10201124332.35UNSPUNSPUNSPunknUNEVUNSPUPST1.00