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Peak Streamflow for USA
Grouped by County

Site Selection Results -- 100 sites found


Hydrologic region = 21010005
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 Aguas Buenas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50055100 RIO CAGUITAS NR AGUAS BUENAS, PR 1990-10-15 2003-04-23 13
  group icon Aibonito Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50043000 RIO DE LA PLATA AT PROYECTO LA PLATA, PR 1960-09-06 2022-11-05 43
USGS 50043197 RIO USABON AT HWY 162 NR BARRANQUITAS, PR 2007-09-20 2020-10-18 13
  group icon Barranquitas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50043200 RIO USABON NR BARRANQUITAS, PR 1967-11-06 1970-10-09 3
  group icon Bayamon Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50047820 RIO DE BAYAMON AT HWY 174 NR BAYAMON, PR 1965-12-10 1965-12-10 1
USGS 50047850 RIO DE BAYAMON NR BAYAMON, PR 1965-08-10 2022-11-05 42
USGS 50048000 RIO DE BAYAMON AT BAYAMON, PR 1945-08-04 1975-12-11 16
  group icon Caguas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50053025 RIO TURABO ABV BORINQUEN, PR 1990-10-21 2022-11-05 33
USGS 50053050 RIO TURABO AT BORINQUEN, PR 1984-02-15 1989-10-01 7
USGS 50055000 RIO GRANDE DE LOIZA AT CAGUAS, PR 1945-08-04 2022-11-05 64
USGS 50055170 RIO CAGUITAS NR CAGUAS, PR 1992-09-19 1997-01-21 6
USGS 50055225 RIO CAGUITAS AT VILLA BLANCA AT CAGUAS, PR 1991-07-16 2022-09-18 30
USGS 50055380 RIO BAIROA ABV BAIROA, CAGUAS, PR 2003-04-23 2022-11-05 20
USGS 50055390 RIO BAIROA AT BAIROA, PR 1991-07-16 2001-07-18 11
USGS 50058300 QUEBRADA ARENA NR CAGUAS, PR 1970-10-09 1970-10-09 1
USGS 50058350 RIO CANAS AT RIO CANAS, PR 1990-09-03 2022-11-05 34
  group icon Carolina Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50050300 QUEBRADA BLASINA NR CAROLINA, PR 1966-09-15 1966-09-15 1
USGS 50061300 RIO CANOVANILLAS NR LOIZA, PR 1968-07-15 1973-08-15 6
  group icon Cayey Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50054000 QUEBRADA DE LAS QUEBRADILLAS NR CAGUAS, PR 1960-09-06 1973-07-13 5
  group icon Cidra Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50040800 RIO DE LA PLATA AT CAYEY, PR 2022-09-18 2022-11-05 2
USGS 50047535 RIO DE BAYAMON AT ARENAS, PR 1993-05-14 2022-11-05 29
USGS 50047560 RIO DE BAYAMON BLW LAGO DE CIDRA DAM, PR 1991-02-05 2023-04-16 24
  group icon Comerio Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50043600 RIO HONDO NR COMERIO, PR 1969-05-21 1970-10-09 2
USGS 50043800 RIO DE LA PLATA AT COMERIO, PR 1989-09-18 2022-11-05 35
  group icon Dorado Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50046000 RIO DE LA PLATA AT HWY 2 NR TOA ALTA, PR 1899 2022-09-19 66
  group icon Fajardo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50070500 RIO FAJARDO ABV FAJARDO, PR 1996-09-10 2001-08-22 5
USGS 50070900 RIO FAJARDO AT PARAISO NR FAJARDO, PR 2003-11-15 2022-11-06 19
USGS 50071000 RIO FAJARDO NR FAJARDO, PR 1960-09-06 2022-10-26 62
USGS 50072000 RIO FAJARDO AT FAJARDO, PR 1960-09-06 1970-10-09 3
  group icon Guayama Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50039995 LAGO CARITE AT SPILLWAY, PR 2005-07-20 2014-08-23 9
  group icon Guaynabo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50049420 QDA MARGARITA TRIBUT. AT URB TORRIMAR NR GUAYNABO 1964-06-05 1964-06-05 1
USGS 50049460 QDA MARGARITA AT URB. GARDEN HILLS NR GUAYNABO, PR 1964-06-05 1964-06-05 1
USGS 50049550 QUEBRADA MARGARITA AT HWY 20 NR GUAYNABO, PR 1964-06-05 1964-06-05 1
USGS 50049600 QUEBRADA MARGARITA AT QUEBRADA HEIGHTS, PR 1972-11-21 1981-12-12 9
USGS 50049620 QDA. MARGARITA AT CAPARRA INTER. NR GUAYNABO, PR 2013-11-30 2023-04-28 9
  group icon Gurabo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50057000 RIO GURABO AT GURABO, PR 1960-09-06 2022-11-05 64
  group icon Humacao Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50078500 RIO ANTON RUIZ AT CENTRAL PASTO VIEJO, PR 1968-08-08 1968-08-08 1
USGS 50081500 RIO HUMACAO NR HUMACAO, PR 1972-11-11 1972-11-11 1
USGS 50081800 RIO HUMACAO AT HWY 30 AT HUMACAO, PR 1960-09-06 1970-10-09 4
USGS 50082000 RIO HUMACAO AT HWY 3 AT HUMACAO, PR 1960-09-06 1984-10-14 10
USGS 50082200 RIO HUMACAO NR LA SUIZA, PR 1965-06-06 1970-10-09 5
  group icon Juncos Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50055650 QUEBRADA CAIMITO NR JUNCOS, PR 1984-09-20 1987-06-22 4
USGS 50055750 RIO GURABO BLW EL MANGO, PR 1990-10-21 2022-11-15 33
USGS 50056400 RIO VALENCIANO NR JUNCOS, PR 1960-09-06 2022-11-05 54
USGS 50061700 RIO CUBUY NR CAMPO RICO, PR 1946-10-28 1952-06-11 5
  group icon Las Piedras Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50056000 RIO VALENCIANO NR LAS PIEDRAS, PR 1960-09-06 1970-10-08 2
USGS 50056200 QDA DE LOS MUERTOS TRIBUTARY NR LAS PIEDRAS, PR 1960-09-06 1970-10-09 5
USGS 50081000 RIO HUMACAO AT LAS PIEDRAS, PR 1960-09-06 2022-11-05 46
  group icon Loiza Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50061800 RIO CANOVANAS NR CAMPO RICO, PR 1968-07-15 2022-11-15 56
USGS 50062500 RIO HERRERA NR COLONIA DOLORES, PR 1967-07-14 1982-09-13 16
  group icon Luquillo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50066000 RIO MAMEYES AT MAMEYES, PR 1998-09-21 2008-09-03 11
USGS 50067000 RIO SABANA AT SABANA, PR 1980-05-22 2022-09-18 43
USGS 50068000 RIO SABANA AT LUQUILLO, PR 1960-09-06 1970-10-08 2
  group icon Maunabo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50090500 RIO MAUNABO AT LIZAS, PR 1970-10-09 2023-08-26 44
USGS 50091000 RIO MAUNABO AT MAUNABO, PR 1965-08-09 1981-12-02 16
  group icon Naguabo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50073200 RIO DAGUAO AT DAGUAO, PR 1965-12-24 1981-12-27 15
USGS 50073400 QUEBRADA PALMA AT DAGUAO, PR 1968-08-02 1976-10-13 10
USGS 50074000 RIO SANTIAGO AT NAGUABO, PR 1965-12-24 1981-12-14 17
USGS 50074950 QUEBRADA GUABA NR NAGUABO, PR 1993-05-01 2011-08-22 16
USGS 50075000 RIO ICACOS NR NAGUABO, PR 1946-02-24 2022-10-27 57
USGS 50075500 RIO BLANCO AT FLORIDA, PR 1962 2022-10-26 24
USGS 50076000 RIO BLANCO NR FLORIDA, PR 1983-04-21 2016-04-27 16
USGS 50077000 RIO BLANCO AT RIO BLANCO, PR 1973-09-05 1977-05-17 5
USGS 50077400 RIO BLANCO AT COLONIA LA FE, PR 1967-07-30 1970-08-27 4
  group icon Naranjito Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50044800 QUEBRADA ANONES NR NARANJITO, PR 1970-10-09 1970-10-09 1
USGS 50044810 RIO GUADIANA NR GUADIANA, NARANJITO PR 2001-11-08 2023-04-28 22
USGS 50044830 RIO GUADIANA AT GUADIANA, PR 1990-09-03 1996-09-10 7
  group icon Rio Grande Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50063300 RIO ESPIRITU SANTO NR EL VERDE, PR 1945-09-05 1973-09-04 13
USGS 50063440 QUEBRADA SONADORA NR EL VERDE, PR 1983-12-02 2014-05-10 30
USGS 50063500 QUEBRADA TORONJA AT EL VERDE, PR 1983-12-02 1996-05-07 13
USGS 50063800 RIO ESPIRITU SANTO NR RIO GRANDE, PR 1966-11-22 2022-09-18 56
USGS 50064200 RIO GRANDE NR EL VERDE, PR 1968-07-15 2022-10-27 48
USGS 50064700 QUEBRADA BONETA AT RIO GRANDE, PR 1965-01-13 1981-12-14 13
USGS 50065500 RIO MAMEYES NR SABANA, PR 1967-10-01 2022-10-27 45
USGS 50065700 RIO MAMEYES AT HWY 191 AT MAMEYES, PR 1966-11-22 1984-10-30 19
  group icon Salinas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50100600 QUEBRADA YEGUAS NR SALINAS, PR 1989-09-18 1990-10-20 2
USGS 50100700 RIO MAJADA AT RABO DEL BUEY, PR 1965-06-07 1970-10-06 5
USGS 50101200 RIO MAJADA AT SABANA LLANA, PR 1965-06-07 1970-10-09 4
  group icon San Juan Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50048690 QUEBRADA LAS CURIAS BLW LAS CURIAS OUTFLOW, PR 1998-08-11 2014-12-16 18
USGS 50048770 RIO PIEDRAS AT EL SENORIAL, PR 1989-07-11 2014-12-16 21
USGS 50049000 RIO PIEDRAS AT RIO PIEDRAS, PR 1971-10-14 1993-04-29 17
USGS 50049100 RIO PIEDRAS AT HATO REY, PR 1970-06-17 2022-11-05 47
USGS 50049310 QUEBRADA JOSEFINA AT PINERO AVENUE, PR 1988-08-24 2020-09-09 6
  group icon San Lorenzo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50050900 RIO GRANDE DE LOIZA AT QUEBRADA ARENAS, PR 1977-10-06 2022-11-07 46
USGS 50051150 QUEBRADA BLANCA AT EL JAGUAL, PR 1985-05-17 2001-11-07 18
USGS 50051180 QUEBRADA SALVATIERRA NR SAN LORENZO, PR 1984-06-10 2005-05-17 22
USGS 50051310 RIO CAYAGUAS AT CERRO GORDO, PR 1977-10-07 2023-04-08 46
USGS 50051800 RIO GRANDE DE LOIZA AT HWY 183 SAN LORENZO, PR 1990-10-20 2023-04-08 33
USGS 50052600 RIO GRANDE DE LOIZA TRIBUTARY AT SAN LORENZO, PR 1969-05-21 1970-10-09 3
USGS 50056900 QUEBRADA MAMEY NR GURABO, PR 1984-06-10 1992-05-26 9
  group icon Toa Alta Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50045010 RIO DE LA PLATA BLW LA PLATA DAMSITE, PR 1989-09-18 2022-11-05 34
  group icon Trujillo Alto Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50059050 RIO GRANDE DE LOIZA BLW LOIZA DAMSITE, PR 1987-06-21 2022-11-05 37
USGS 50059210 QUEBRADA GRANDE AT BO. DOS BOCAS, PR 2012-10-26 2023-04-08 11
  group icon Yabucoa Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Peaks
USGS 50082800 RIO GUAYANES NR COLONIA LAURA, PR 1969-05-21 1981-12-27 14
USGS 50083500 RIO GUAYANES NR YABUCOA, PR 1969-05-21 2022-11-15 24
USGS 50084000 RIO LIMONES NR YABUCOA, PR 1969-05-21 1970-10-07 2
USGS 50085100 RIO GUAYANES AT CENTRAL ROIG, PR 1965-08-09 2019-08-29 18
USGS 50086100 RIO DEL INGENIO AT COMUNAS, PR 1965-06-06 1969-08-12 4
USGS 50086500 RIO GUAYANES AT PLAYA DE GUAYANES, PR 1965-08-09 1970-10-09 6
USGS 50087200 CANO SANTIAGO NR CENTRAL ROIG, PR 1965-08-09 1970-10-09 6