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- 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.
USGS Water-Year Summary 2024
50028400 RIO TANAMA AT CHARCO HONDO, PR
LOCATION - Lat 18°24'50.75", long 66°42'52.95" referenced to North American Datum of 1927, Arecibo Municipio, PR, Hydrologic Unit 21010002, on right bank at abandoned power house at Charco Hondo, 1.5 mi (2.4 km) upstream from mouth, and 4 mi (6 km) south of Arecibo.
DRAINAGE AREA - 22.2 mi². (57.5 km2).
REVISIONS HISTORY - 1998 WY peak discharge revised based on updated discharge rating.
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1969 to June 1971, October 1981 to current year.
GAGE - Water-stage recorder and crest-stage gage, satellite telemetry at station. Elevation of gage is 48 ft (14.6 m), above National Geodetic Vertical Datum (NGVD) of 1929, from topographic map.
REMARKS - Diversion of flow by Arecibo Filtration Plant for municipal water supply 0.8 mi (1.3 km) upstream. Discharge >800 cfs computed from step-backwater model and should be considered poor.
