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

Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

Water-Year Summary for Site 50027600

Click to hide Water-Year Summary instructions and information
  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

Print this page
USGS Water-Year Summary 2021
LOCATION - Lat 18°23'55.75", long 66°41'29.61" referenced to North American Datum of 1927, Arecibo Municipio, PR, Hydrologic Unit 21010002, on left side of old Highway 10, 7.2 mi (11.6 km) north of Lago Dos Bocas Dam, 5.4 mi (8.69 km) from Plaza Rosario at Arecibo and 3.8 mi (6.11 km) east from La Esperanza School.
DRAINAGE AREA - 173.7 mi², (449 km2), approximately of which an undetermined amount does not contribute directly to surface runoff.
PERIOD OF RECORD - February 1959 to February 1962; yearly measurements only. May 2001 to current year.
GAGE - Water-stage recorder, satellite telemetry at station. Elevation of gage is 49 ft (15 m) above National Geodetic Vertical Datum (NGVD) of 1929, from topographic map.
REMARKS - Flow regulated by Lago Dos Bocas Dam 7.2 mi (11.6 km) upstream from gage.