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

Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 50128900

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
62614 Elevation, lake/res, NGVD29(Obs.)  

Water year 2019: 2018-10-01 to 2019-09-30

Print this page
USGS Water-Year Summary 2019
LOCATION - Lat 18°02'40.22", long 66°53'17.95" referenced to North American Datum of 1927, Yauco Municipio, PR, Hydrologic Unit 21010004, at Damsite, 2.6 mi (4.18 km) northwest from Yauco plaza, 0.45 mi (0.72 km) northeast from Río Cañas School, and 0.95 mi (1.53 km) northwest from Susúa Alta School.
DRAINAGE AREA - 8.35 mi². (21.6 km2).
PERIOD OF RECORD - May 18, 1995 to current year.
GAGE - Water-stage recorder, satellite and radio telemetry at station. Elevation of gage is above National Geodetic Vertical Datum (NGVD) of 1929, feet.
REMARKS - Lago Loco was completed in 1951. The dam is a concrete gravity structure with a total length of 600 ft (183 m), maximum structural height of 72 ft (21.9 m), the ungated overflow spillway is 150 ft (47.7 m) long with crest at elevation of 230 ft (70.1 m). It has a normal storage capacity of 1,950 acre-ft (2.4 hm3) as for May 4, 1979. The Lago Loco Dam is part of the Southwestern Puerto Rico Project which was developed for electric power generation and irrigation of the lands in the Lajas Valley. Some of the project waters are used for water supply in the Lajas area. The maximum drawdown of the dam is from 230 ft (70.1 m) to 220 ft (67.1 m).
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 236.59 ft (72.11 m), September 20, 2017; minimum elevation, 216.50 ft (65.99 m), Feb. 20, 2016.