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 50044810

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 2025: 2025-10-01 to 2026-09-30
 

Print this page
USGS Water-Year Summary 2025
50044810 RIO GUADIANA NEAR GUADIANA, PR
LOCATION - Lat 18°18'05.05", long 66°13'42.89" referenced to North American Datum of 1927, Naranjito Municipio, PR, Hydrologic Unit 21010005,

at right bank 1.1 mi (2.1 km) east of Naranjito plaza, 0.9 mi (1.4 km) west from intersection of State Roads 167 and 164 at km 1.77, and 2.6 mi (4.2 km) northwest from Represa Comerío.

For more precise location of site use the following coordinates: Lat 18°17'57"N, Long 66°13'42"W.

DRAINAGE AREA - 8.06 mi². (22.3 km2).
REVISIONS HISTORY - Peak gage height and discharge removed in 2001 water year due to incomplete year of data collection.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 2001 to current year.
GAGE - Water-stage recorder, crest-stage gage, and satellite telemetry at station. Datum of gage is 216.55 ft. (66.00 m) above Puerto Rico Vertical Datum of 2002 (PRVD02). Elevation or datum of gage was previously reported as 229 ft. (69.8 m) above mean sea level and NGVD 29 and was established via topographic map and a new GNSS survey was used to establish a PRVD02 datum because the topographic datum did not meet the ne accuracy requirements.
REMARKS - Low-flow affected by discharges from Puerto Rico Aqueduct and Sewer Authority (PRASA) waste water treatment plant.
EXTREMES FOR PERIOD OF RECORD - Discharge, 12,000 ft³/s, Sept. 20, 2017, gage height, 17.68 ft. Minimum discharge, 0.19 ft³/s, May 23, 2023.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 12, 2004 to November 12, 2004; discontinued.
REMARKS - SEDIMENT DATA: October 1, 2001 to March 31, 2005; discontinued.