USGS Water-Year Summary for Site 08375300

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
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Max.,Min.,Mean)
	00065 Gage height(Max.,Min.,Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)
	00400 pH(Max.,Min.,Med.)

Select a water year

Water year 2020: 2019-10-01 to 2020-09-30

Print this page

USGS Water-Year Summary 2020

08375300 Rio Grande at Boquillas Campground, Big Bend National Park, TX

LOCATION - Lat 29°11'00", long 102°58'30" referenced to North American Datum of 1927, Brewster County, TX, Hydrologic Unit 13040205,

DRAINAGE AREA - Not determined.

SURFACE-WATER RECORDS

PERIOD OF RECORD - Aug. 2007 to current year.

GAGE - Water-stage recorder. Datum of gage is 1,845.928 ft above NAVD of 1988. Gage located near pump house at Boquillas Cpgd, Big Bnd NP, TX. Satellite telemeter at station.

COOPERATION - Texas Commission on Environmental Quality, TCEQ

REMARKS - Since installation of gage in Aug. 2007, at least 10% of contributing drainage area has been regulated.

WATER-QUALITY RECORDS

PERIOD OF RECORD -

CHEMICAL DATA: Feb. 2006.

BIOCHEMICAL DATA: Feb. 2006.

RADIOCHEMICAL: Feb. 2006.

PERIOD OF DAILY RECORD -

WATER TEMPERATURE: Sept. 2011 to current year.

SPECIFIC CONDUCTANCE: Sept. 2011 to current year.

pH: Sept. 2011 to current year.

DISSOLVED OXYGEN: Sept. 2011 to current year.

COOPERATION - Texas Commission on Environmental Quality.

INSTRUMENTATION -

A four parameter continuous water-quality monitoring instrument since Sept. 2011.

WY2011-2020 YSI 6 Series sonde.

WY2021-Current InSitu AquaTroll series multiparameter sonde.