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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.
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USGS Water-Year Summary 2024
08164370 Navidad River at Morales, TX
LOCATION - Lat 29°08'07", long 96°44'39" referenced to North American Datum of 1927, Jackson County, TX, Hydrologic Unit 12100102, on right bank at downstream side of bridge on County Road 283, and 1.2 mi northeast of Morales.
DRAINAGE AREA - 549 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1994 to Sept. 1995 (misc. measurements), Oct. 1996 to Sept. 2000 (daily mean discharge), Oct. 2004 to current year (daily mean stage).
GAGE - Water-stage recorder. Datum of gage is 65.567 ft. above NADV88 done by RTK on Mar. 14, 2024. Prior datum of gage is 65.44 ft. above NGVD of 1929. Satellite telemeter at station.
REMARKS - Much of low flow during the irrigation season (Apr. to Sept.) comes from drainage from rice fields irrigated by diversions originating from the Colorado River. Some records listed in the "Period of Record" for surface water may not be available electronically.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 33.50 ft, Oct. 19, 1998 (from floodmark), no flow at times.
AVERAGE DISCHARGE FOR PERIOD OF RECORD - WATER YEARS 1996-2000: 355 ft³/s, (256,900 acre-ft/yr).
