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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 50106500 RIO COAMO NR COAMO, PR
Coamo Municipio, Puerto Rico
Hydrologic Unit Code 21010004
Latitude  18°03'52", Longitude  66°22'10" NAD27
Drainage area 46  square miles
Gage datum 341.2 feet above NGVD29
Output formats
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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)
452025-12-18 09:57:42ASTYesGNH/DSCUSGS20.2 0.50Fair NONE1QW MainWADEQSCMMVADV20.228.217.11.18FIRMGRVLEVENSTDYUNEVSTNDATGA0.00
442025-08-20 11:24:19ASTYesGNH/DSCUSGS31.9 Fair NONE1QW MainWADEQSCMMVADV31.927.518.51.73FIRMGRVLEVENSTDYEVENSTNDATGA0.00
432025-05-21 11:17:50ASTYesGNH/DSCUSGS71.5 Good NONE1QW MainWADEQSCMMVADV71.541.931.02.30FIRMGRVLEVENSTDYUNEVSTNDATGA0.00
422025-02-05 11:25:22ASTYesGNH/DSCUSGS10.0 0.50Good NONE1QW MainWADEQSCMMVADV10.025.512.80.78FIRMGRVLEVENSTDYEVENSTNDATGA0.00
412024-11-14 12:39:16ASTYesJOG/DSCUSGS42.1 0.60FairClearNONE1MainWADEQSCMMVADV42.120.019.32.18FIRMGRVLEVENSTDYEVENSTNDUPST500.00
402024-08-26 11:22:37ASTYesGNH/DSCUSGS23.5 0.50Fair NONE1QW MainWADEQSCMMVADV23.528.213.61.72FIRMGRVLEVENSTDYEVENSTNDATGA0.00
392024-05-01 11:09:46ASTYesGNH/DSCUSGS27.4 0.48Good NONE1QW MainWADEQSCMMVADV27.430.419.81.38FIRMCBLSEVENSTDYEVENSTNDATGA0.00
382024-01-31 11:24:45ASTYesGNH/DSCUSGS9.43 0.45Fair NONE1QW MainWADEQSCMMVADV9.4320.311.30.83FIRMGRVLEVENSTDYEVENSTNDATGA0.00
372023-11-01 10:53:33ASTYesGNH/DSCUSGS57.2 Poor NONE1QW MainWADEQSCMMVADV57.222.222.92.50FIRMCBLSEVENPULSEVENSTNDATGA0.00
362023-08-21 13:04:30ASTYesDPR/DSCUSGS9.77 Fair NONE1MainWADEQSCMMVADV9.7728.020.70.47FIRMSANDUNEVSTDYUNEVSTNDUNSP
352023-05-10 10:39:22ASTYesGNH/DSCUSGS10.3 0.50Fair NONE1QW-MainWADEQSCMMVADV10.348.019.60.53FIRMGRVLEVENSTDYEVENSTNDATGA0.00
342023-02-01 11:22:25ASTYesGNH/DSCUSGS18.4 Good NONE1MainWADEQSCMMVADV18.447.025.20.73FIRMCBLSEVENSTDYEVENSTNDATGA0.00
332022-11-02 10:39:16ASTYesGNH/DSCUSGS134 Good NONE1MainWADEQSCMMVADV13410195.71.40FIRMCBLSEVENSTDYEVENSTNDATGA0.00
322022-08-17 11:18:36ASTYesGNH/DSCUSGS6.61 Good NONE1MainWADEQSCMMVADV6.6122.49.600.69FIRMCBLSEVENSTDYEVENSTNDATGA0.00
312022-05-19 10:03:39ASTYesGNH/DSCUSGS3.74 Good NONE1MainWADEQSCMMVADV3.7424.07.790.48SOFTsiltEVENSTDYEVENSTNDATGA0.00
302022-02-09 11:17:51ASTYesGNH/DSCUSGS9.06 Good NONE1MainWADEQSCMMVADV9.0629.012.00.75FIRMGRVLEVENSTDYEVENNSTDATGA0.00
292021-11-10 11:03ASTYesJCS/DSCUSGS16.2 Fair NONE1MainWADEQSCMMVADV16.233.015.41.05FIRMGRVLEVENSTDYUNSPSTNDUNSP
282021-08-18 11:07:58ASTYesYMM/DSCUSGS14.7 PoorClearNONE1MainWADEQSCMMVADV14.723.09.981.47FIRMGRVLEVENSTDYEVENSTNDATGA0.00
272021-05-19 14:32:36ASTYesYMM/LVAUSGS1.77 Poor NONE150106500WADEQSCMMVADV1.773.751.151.54FIRMCBLSEVENSTDYEVENSTNDDNST0.00
262021-02-10 12:14ASTYesDSC/YMMUSGS16.5 Fair NONE1MainWADEQSCMMVADV16.523.010.61.55FIRMCBLSEVENSTDYEVENSTNDATGA0.00
252020-11-18 11:22:46ASTYesDSC/YMMUSGS35.1 Fair NONE1MainWADEQSCMMVADV35.127.015.42.28FIRMGRVLEVENSTDYEVENSTNDATGA0.00
242020-08-27 13:03:28ASTYesDSC/YMMUSGS20.3 Good NONE1MainWADEQSCMMVADV20.325.013.91.46FIRMCBLSEVENSTDYEVENSTNDATGA0.00
232020-05-14 11:33ASTYesCWB/YMMUSGS5.74 Poor NONE1MainWADEQSCMMVADV5.7420.011.90.48FIRMBLDREVENSTDYEVENSTNDUNSP
222020-02-20 11:53ASTYesHJE/LVAUSGS8.41 FairClearNONE1MainWADEQSCMMVADV8.4143.034.00.25FIRMCBLSUNEVSTDYEVENSTNDUPST115.00
212019-11-14 09:54:30ASTYesYMM/LVAUSGS21.6 GoodClearNONE150106500WADEQSCMMVADV21.626.016.01.35FIRMGRVLEVENSTDYEVENSTNDDNST0.00
202019-08-14 09:29ASTYesYMM/LVAUSGS3.86 FairClearNONE150106500WADEQSCMMVADV3.865.004.890.79FIRMCBLSEVENSTDYEVENSTNDDNST0.00
192019-05-15 08:37ASTYesYMM/LVAUSGS4.71 FairClearNONE150106500WADEQSCMMVADV4.7110.55.150.91FIRMCBLSEVENSTDYEVENSTNDDNST0.00
182019-02-27 11:35:30ASTYesYMM/LVAUSGS7.29 FairVegetationHeavyNONE150106500WADEQSCMMVADV7.2917.05.971.22FIRMGRVLEVENSTDYEVENUNKNUPST20.00
172018-11-15 11:21:30ASTYesYM/LVUSGS27.7 GoodClearNONE150106500WADEQSCMMVADV27.731.019.91.39FIRMGRVLEVENSTDYEVENSTNDUPST20.00
162018-08-22 10:44ASTYesYM/LVUSGS5.96 GoodClearNONE150106500WADEQSCMMVADV5.9612.55.751.04FIRMCBLSEVENSTDYEVENSTNDDNST5.00
152018-05-16 08:38:30ASTYesYM/LVUSGS9.47 Good NONE150106500WADEQSCMMVADV9.4743.024.70.38FIRMGRVLEVENSTDYEVENSTNDUPST40.00
142018-02-20 13:25:30ASTYesYMM/LVUSGS16.7 GoodClearNONE1500106500WADEQSCMMVADV16.764.032.80.51FIRMCBLSEVENSTDYEVENUNKNUPST60.00
132017-11-13 11:15ASTYesYMM/JSBUSGS82.7 Fair NONE150106500WADEQSCMMVADV82.751.054.91.51FIRMBLDREVENSTDYEVENSTNDUNSP
122017-08-16 10:53ASTYesLVA/YMMUSGS7.72 GoodDebrisLightNONE150106500WADEQSCMMVADV7.7212.54.801.61FIRMGRVLEVENunknEVENSTNDUNSP
112017-05-17 10:05:30ASTYesLVA/YMMUSGS31.7 FairClearNONE150106500WADEQSCMMVADV31.720.517.01.87FIRMCBLSEVENunknEVENSTNDUNSP
102017-04-03 10:18ASTYesLVA/YMUSGS29.2 FairClearNONE1mainWADEQSCMMVADV29.221.017.11.71UNSPUNSPUNSPunknUNSPUNSPUNSP
92016-11-15 11:24ASTYesYM/IRUSGS61.0 Poor NONE1MainWADEQSCMMVADV61.020.026.62.30FIRMCBLSEVENunknEVENSTNDUNSP
82016-09-23 09:14:30ASTYesCDMUSGS18.7 Good NONE1MainWADEQSCMMVADV18.718.715.01.25FIRMGRVLEVENunknEVENSTNDUNSP
72016-06-03 11:28ASTYesMRT/Y/JUSGS13.5 0.30Fair NONE150106500WADEQSCMMVADV13.516.09.701.39FIRMCBLSEVENunknEVENSTNDUNSP
62016-02-24 10:22:30ASTYesYM, IRUSGS4.54 Fair NONE1MainWADEQSCMMVADV4.549.295.820.78FIRMCBLSEVENunknEVENSTNDUNSP
52015-11-18 11:04:30ASTYesMRT/YMUSGS13.5 0.30Good NONE150106500WADEQSCMMVADV13.520.012.81.06FIRMCBLSEVENunknEVENSTNDUNSP
42015-09-03 09:19:30ASTYesCG/SAUSGS4.45 0.00 Fair NONE1MainWADEQSCMMVADV4.4521.010.60.42FIRMGRVLEVENunknEVENSTNDUNSP
32015-05-05 11:10ASTYesYM/IRUSGS3.38 0.50GoodClearNONE150106500WADEQSCMMVADV3.387.255.960.57FIRMCBLSEVENunknEVENSTNDUPST70.00
22015-02-18 08:14ASTYesMRT/YMUSGS12.2 0.50GoodClearNONE150106500WADEQSCMMVADV12.216.011.61.05FIRMGRVLEVENunknEVENSTNDDNST75.00
12014-11-20 08:55:30ASTYesMRT/YMUSGS16.6 0.60GoodClearNONE1RIO COAMO NR COAMO.PRWADEQSCMMVADV16.622.013.01.28FIRMGRVLEVENunknEVENSTNDDNST5.00