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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 50042500 RIO DE LA PLATA AT MATON ABAJO
Cayey Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°08'30.28", Longitude  66°12'37.15" NAD27
Drainage area 52.8  square miles
Contributing drainage area 44.6  square miles
Gage datum 905.56 feet above NGVD29
Output formats
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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)
402025-12-15 11:25:17ASTYesJSB/BPGUSGS36.5 Poor NONE1MainWADEQSCMMVADV36.51061350.27FIRMSANDEVENSTDYEVENSTNDUNSP
392025-08-25 11:12:53ASTYesDSC/BPGUSGS24.3 0.90PoorClearNONE1MainWADEQSCMMVADV24.31001180.21FIRMBLDREVENSTDYEVENNSTDDNST30.00
382025-05-05 11:27:44ASTYesJMC/BPGUSGS264 Fair NONE1MainWADEQSCMMVADV2641152401.10FIRMBLDRUNEVPULSUNEVUNFMUNSP
372025-02-03 12:55:23ASTYesMRT/BPGUSGS35.4 Fair NONE1MainWADEQSCMMVADV35.41051720.21FIRMCBLSEVENSTDYEVENSTNDUNSP
362024-11-04 11:49:47ASTYesDSCUSGS65.4 0.90FairClearNONE1MainWADEQSCMMVADV65.493.01080.60FIRMCBLSEVENSTDYEVENSTNDUNSP500.00
352024-08-28 12:20:35ASTYesDSCUSGS59.4 0.80PoorClearNONE1MainWADEQSCMMVADV59.489.094.50.63FIRMCBLSEVENSTDYEVENSTNDDNST50.00
342024-05-07 11:14ASTYesDPR/DSCUSGS76.6 FairClearNONE1MainWADEQSCMMVADV76.623.046.81.64FIRMBLDRUNEVSTDYUNEVNSTDUNSP
332024-02-20 11:44:29ASTYesBLV/DSCUSGS31.2 Poor NONE1MainWADEQSCMMVADV31.220.020.61.51FIRMCBLSUNEVSTDYUNEVSTNDUNSP
322023-11-07 12:27:19ASTYesBLV/DSCUSGS50.1 Poor NONE1MainWADEQSCMMVADV50.115.024.22.07FIRMBLDRUNEVSTDYUNEVUNKNUNSP
312023-05-16 11:19:27ASTYesBLV/DSCUSGS14.5 Poor NONE1MainWADEQSCMMVADV14.517.010.41.40FIRMCBLSUNEVSTDYUNEVSTNDDNST0.00
302023-02-07 11:10:30ASTYesDPR/DSCUSGS22.0 Fair NONE1MainWADEQSCMMVADV22.074.065.00.34SOFTSANDUNEVSTDYEVENSTNDUNSP
292022-08-03 12:26:21ASTYesCDN/DCSUSGS11.9 Poor NONE1MainWADEQSCMMVADV11.997.069.50.17FIRMGRVLEVENSTDYUNEVUNKNATGA0.00
282022-05-02 11:31ASTYesDPR/DSCUSGS26.0 Fair NONE1MainWADEQSCMMVADV26.010080.30.32FIRMBLDRUNEVSTDYEVENSTNDUNSP
272022-02-02 11:12ASTYesDPR/DSCUSGS12.1 Fair NONE1MainWADEQSCMMVADV12.198.865.20.19FIRMCBLSUNEVSTDYEVENSTNDUNSP
262021-11-18 10:25:30ASTYesEHT/DSCUSGS20.7 FairDebrisModerateNONE1MainWADEQSCMMVADV20.756.049.90.41FIRMGRVLEVENSTDYEVENUNFMDNST20.00
252021-08-03 10:14:52ASTYesDSC/YMMUSGS18.3 Fair NONE1MainWADEQSCMMVADV18.382.268.20.27FIRMGRVLEVENSTDYEVENSTNDATGA0.00
242021-05-04 11:17:44ASTYesDSC/YMMUSGS16.1 Fair NONE1MainWADEQSCMMVADV16.153.053.20.30FIRMCBLSEVENSTDYEVENSTNDATGA0.00
232021-02-03 10:56:25ASTYesYMM/DSCUSGS20.7 Fair NONE1MainWADEQSCMMVADV20.761.064.20.32FIRMCBLSEVENSTDYEVENSTNDATGA0.00
222020-11-04 10:03:23ASTYesYMM/DSCUSGS50.4 GoodClearNONE150042500WADEQSCMMVADV50.462.081.20.62FIRMGRVLEVENSTDYEVENUNFMUPST10.00
212020-08-12 10:35:24ASTYesDSC/YYMUSGS22.0 Fair NONE1MainWADEQSCMMVADV22.095.086.00.26FIRMCBLSEVENSTDYEVENSTNDUPST20.00
202020-05-06 10:45:11ASTYesHJE/YYMUSGS13.3 Fair NONE1mainWADEQSCMMVADV13.396.065.50.20FIRMGRVLEVENSTDYUNEVSTNDUNSP
192020-02-18 11:49ASTYesYMM/MRQUSGS42.8 Fair NONE1MAINWADEQSCMMVADV42.810394.60.45FIRMBLDRUNEVSTDYEVENSTNDUNSP
182019-11-19 11:26:30ASTYesJSB / JCSUSGS14.7 Poor NONE1WaterQualityWADEQSCMMVADV14.788.076.30.19FIRMSANDEVENSTDYEVENSTNDUNSP
172019-08-08 10:34:30ASTYesYMM/LVAUSGS17.7 FairClearNONE150042500WADEQSCMMVADV17.744.050.20.35FIRMBLDREVENSTDYEVENSTNDUPST0.00
162019-05-08 10:10ASTYesYMM/LVAUSGS24.3 GoodClearNONE150042500WADEQSCMMVADV24.358.064.30.38FIRMBLDREVENSTDYEVENSTNDDNST20.00
152019-02-20 11:17:30ASTYesYMM/LVUSGS20.1 FairClearNONE150042500WADEQSCMMVADV20.155.049.10.41FIRMBLDREVENSTDYEVENUNFMDNST20.00
142018-11-19 10:41:30ASTYesYM/LVUSGS73.9 GoodClearNONE150042500WADEQSCMMVADV73.958.067.21.10FIRMBLDREVENSTDYEVENSTNDDNST40.00
132018-08-07 09:57:30ASTYesYM/LVUSGS35.3 GoodClearNONE1500425000WADEQSCMMVADV35.358.067.10.53FIRMCBLSEVENSTDYEVENSTNDUPST10.00
122018-05-30 09:35ASTYesBLV/YMUSGS248 Unspecified NONE1MainOTHRother 248 FIRMCBLSUNEVPULSUNEVUNKNDNST0.00
112017-11-01 11:19ASTYesYMM/IMRUSGS158 Poor NONE1MainWADEQSCMMVADV15885.089.01.77FIRMBLDRUNEVSTDYUNEVSTNDUNSP
102017-08-17 11:05:30ASTYesLVA/YMMUSGS20.0 FairClearNONE150042500WADEQSCMMVADV20.01021400.14FIRMSANDEVENunknEVENSTNDUNSP
92017-05-24 10:17:30ASTYesLVA/YMMUSGS29.6 FairClearNONE1mainWADEQSCMMVADV29.694.01650.18FIRMSANDEVENunknEVENSTNDUNSP
82017-03-22 10:00ASTYesLVA/IMRUSGS24.0 Fair NONE1MainWADEQSCMMVADV24.097.01260.19FIRMCBLSUNEVunknEVENSTNDUNSP
72016-09-09 09:50ASTYesCDMUSGS31.2 Fair NONE1MainWADEQSCMMVADV31.296.01370.23FIRMBLDREVENunknUNSPSTNDUNSP
62016-05-18 10:49:30ASTYesYM, IRUSGS20.3 Good NONE1MainWADEQSCMMVADV20.386.095.30.21FIRMSANDEVENunknEVENSTNDUNSP
52016-02-04 10:15ASTYesYM, IRUSGS19.4 Good NONE1MainWADEQSCMMVADV19.487.01100.18FIRMGRVLEVENunknEVENSTNDUNSP
42015-11-04 10:00ASTYesYM, IRUSGS52.8 Fair NONE1MainWADEQSCMMVADV52.890.01420.37FIRMCBLSEVENunknEVENSTNDUNSP
32015-08-19 10:39ASTYesYM, IRUSGS6.71 Poor NONE1MainWADEQSCMMVADV6.711001190.06FIRMCBLSEVENunknEVENSTNDUNSP
22015-05-12 10:34ASTYesYM, IRUSGS8.32 Fair NONE1MainWADEQSCMMVADV8.321011090.08SOFTGRVLEVENunknEVENSTNDUNSP
12015-01-28 11:44ASTYesCG, IRUSGS13.5 FairDebrisLightNONE150042500WADEQSCMMVADV13.598.299.10.14FIRMGRVLEVENunknEVENSTNDUNSP