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


Page Loading - Please Wait...

Click to hideNews Bulletins

Peak Streamflow for USA
Grouped by County

Site Selection Results -- 65 sites found


Hydrologic region = 21010004
Minimum number of observations = 1

Save file of selected sites to local disk for future upload

Data for individual sites can be obtained by selecting the site number below

  group icon Aibonito Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50043400 RIO AIBONITO TRIBUTARY NR AIBONITO, PR 1968-05-17 1970-10-09 4
  group icon Arroyo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50094400 RIO NIGUA AT PITAHAYA, PR 1965-08-09 1973-08-21 5
USGS 50094450 RIO NIGUA AT CENTRAL LAFAYETTE, PR 1965-12-24 1970-08-27 3
  group icon Coamo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50105600 RIO CUYON NR COAMO, PR 1967-11-02 1970-10-09 4
USGS 50106100 RIO COAMO AT HWY 14 AT COAMO, PR 1987-11-27 2023-08-26 36
USGS 50106500 RIO COAMO NR COAMO, PR 1960-09-06 1985-10-07 19
USGS 50106800 RIO COAMO AT FLORES, PR 1968-11-02 1970-10-09 3
USGS 50108000 RIO DESCALABRADO NR LOS LLANOS, PR 1965-11-22 2010-05-28 35
  group icon Florida Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50091400 RIO JACABOA NR LAMBOGLIA, PR 1965-08-09 1973-08-20 8
  group icon Guanica Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50129254 RIO LOCO AT LAS LATAS NR LA JOYA NR GUANICA, PR 2007-06-06 2020-10-16 14
USGS 50129500 RIO LOCO NR GUANICA, PR 1963-08-03 1968-11-08 6
  group icon Guayama Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50095200 RIO GUAMANI AT GUAYAMA, PR 1961-08-22 1970-10-06 4
USGS 50095300 RIO GUAMANI AT LAGO MELANIA, PR 1968-08-07 1970-10-06 3
USGS 50095500 RIO GUAMANI NR GUAYAMA, PR 1961-08-27 1970-10-06 4
USGS 50096800 RIO SECO AT HACIENDA JUANA, PR 1965-12-24 1973-09 6
  group icon Guayanilla Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50124000 RIO GUAYANILLA NR GUAYANILLA, PR 1961-09-14 1969-11-09 9
USGS 50124500 RIO GUAYANILLA AT GUAYANILLA, PR 1899-08-08 1982-09-12 15
USGS 50128000 RIO YAUCO NR YAUCO, PR 1899-08-08 1984-11-03 13
  group icon Juana Diaz Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50109400 RIO CANAS NR PASTILLO, PR 1966-11-22 1966-11-22 1
USGS 50111500 RIO JACAGUAS AT JUANA DIAZ, PR 1984-09-21 2022-11-05 40
USGS 50111600 RIO JACAGUAS AT POBLADO JACAGUAS, PR 1965-06-07 1969-05-21 4
USGS 50111700 RIO JACAGUAS NR JUANA DIAZ, PR 1966-10-17 1970-10-09 5
USGS 50111750 RIO JACAGUAS BLW QUEBRADA GUANABANA, PR 1989-09-24 1989-09-24 1
USGS 50112100 RIO JACAGUAS AT MANZANILLO, PR 1966-10-17 1966-10-17 1
USGS 50112600 RIO INABON AT COTTO LAUREL, PR 1961-10-02 1970-10-09 6
USGS 50113100 RIO GUAYO NR COTTO LAUREL, PR 1965-06-05 1970-10-09 5
  group icon Maunabo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50091200 RIO MAUNABO NR MAUNABO, PR 1965-12-24 1972-06-15 4
  group icon Patillas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50091700 RIO CHICO AT PATILLAS, PR 1965-08-09 1972-08-11 5
USGS 50091800 RIO CHICO AT PROVIDENCIA, PR 1965-08-09 1970-10-09 5
USGS 50092000 RIO GRANDE DE PATILLAS NR PATILLAS, PR 1966-05-27 2023-09-14 58
USGS 50093000 RIO MARIN NR PATILLAS, PR 2001-09-01 2023-06-29 21
USGS 50093120 RIO GRANDE DE PATILLAS BLW LAGO PATILLAS, PR 2006-06-21 2022-10-27 17
USGS 50094200 RIO GRANDE DE PATILLAS AT PATILLAS, PR 1966-10-17 1970-10-07 3
USGS 50094300 RIO GRANDE DE PATILLAS AT PROVIDENCIA, PR 1970-10-07 1970-10-07 1
  group icon Penuelas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50121000 RIO TALLABOA AT PENUELAS, PR 1959-04-19 1982-09-12 22
USGS 50122000 RIO TALLABOA AT HWY 127, PR 1959-04-19 1962-10-29 3
USGS 50124200 RIO GUAYANILLA NEAR GUAYANILLA, PR 1981-09-25 2022-11-05 43
  group icon Ponce Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50112500 RIO INABON AT REAL ABAJO, PR 1965-08-19 2023-08-26 56
USGS 50113500 RIO INABON NR ARUS, PR 1964-06-05 1965-06-05 2
USGS 50113800 RIO CERRILLOS ABV LAGO CERRILLOS NR PONCE, PR 1990-09-25 2023-08-26 33
USGS 50114000 RIO CERRILLOS BLW LAGO CERRILLOS NR PONCE, PR 1964-10-21 2021-09-20 53
USGS 50114390 RIO BUCANA AT HWY 14 BRIDGE NR PONCE, PR 1985-10-07 2001-10-02 16
USGS 50114400 RIO BUCANA NR PONCE, PR 1899-08-08 1981-05-05 21
USGS 50114600 RIO BUCANA AT HWY 2, PONCE, PR 1964-06-05 1964-06-05 1
USGS 50114700 RIO BUCANA AT PLAYA DE PONCE, PR 1964-06-05 1967-08-05 3
USGS 50114900 RIO PORTUGUES NR TIBES, PR 1998-09-21 2022-09-18 25
USGS 50115000 RIO PORTUGUES NR PONCE, PR 1965-05-16 1998-09-21 34
USGS 50115230 RIO PORTUGUES BLW PORTUGUES DAMSITE, PR 2006-10-02 2012-03-14 6
USGS 50115240 RIO PORTUGUES AT PARQUE CEREMONIAL TIBES NR PONCE 2014-08-23 2023-08-26 10
USGS 50115900 RIO PORTUGUES AT HWY 14 AT PONCE, PR 1899-08-08 2012-08-24 47
USGS 50116500 RIO PORTUGUES AT HWY 2 BY-PASS AT PONCE, PR 1964-10-21 1964-10-21 1
USGS 50119000 RIO MATILDE AT PONCE, PR 1965-06-15 1965-06-15 1
  group icon Salinas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50099000 QUEBRADA AGUAS VERDES NR SALINAS, PR 1988-10-03 1988-10-03 1
USGS 50100200 RIO LAPA NR RABO DEL BUEY, PR 1970-10-06 2022-09-18 35
USGS 50100450 RIO MAJADA AT LA PLENA, PR 1989-09-23 2022-11-05 35
USGS 50102400 RIO JUEYES AT RIO JUEYES, PR 1973-08-21 1973-08-21 1
USGS 50125950 RIO DUEY NR LAGO LUCCHETTI NR YAUCO, PR 1952-09-23 1968-07-21 13
  group icon Santa Isabel Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50106900 RIO COAMO BLW LAGO COAMO NR COAMO, PR 1966-10-30 1966-10-30 1
USGS 50108200 RIO DESCALABRADO AT LAS OLLAS, PR 1965-06-07 1970-10-08 6
USGS 50108500 RIO DESCALABRADO NR SANTA ISABEL, PR 1966-11-21 1966-11-21 1
  group icon Villalba Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50110650 RIO JACAGUAS ABV LAGO GUAYABAL 2012-10-26 2022-11-05 11
USGS 50110900 RIO TOA VACA ABV LAGO TOA VACA, PR 1989-10-08 2022-11-05 34
USGS 50111200 RIO TOA VACA NR VILLALBA, PR 1966-09-16 1970-10-09 5
  group icon Yauco Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50125900 RIO DUEY ABV DIVERSION NR YAUCO, PR 1977-08-04 1980-05-27 4
USGS 50126150 RIO YAUCO ABV DIVERSION MONSERRATE NR YAUCO, PR 1977-11-02 2023-09-10 28