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


Page Loading - Please Wait...

Click to hideNews Bulletins
  • The issue impacting the delivery of satellite data transmissions in the western United States has been resolved. Current data for impacted locations are now accessible from USGS web portals. The data to fill any resultant gaps in water records will be downloaded from field equipment for manual upload following the next scheduled field visit.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
  • Full News RSS icon

Water-Year Summary for Site USGS 07375230

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
00065 Gage height(Mean)  

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

Print this page
USGS Water-Year Summary 2020
07375230 Tchefuncte River at Madisonville, LA
LOCATION - Lat 30°24'14", long 90°09'17" referenced to North American Datum of 1927, in sec.39, T.7 S., R.10 E., St. Tammany Parish, LA, Hydrologic Unit 08090201, on downstream East side of swing bridge for Hwy. 22.
DRAINAGE AREA - 410.42 mi².  
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 2004 to June 2008. February 2016 to current year.
GAGE - Water-stage recorder. Datum of gage is 0.00 ft. NAVD 88 (Geoid12B EPOCH 2010). Prior to February 2016 at assumed datum.
REMARKS - Water level affected by wind and tide at all stages.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 10.32 ft; Aug. 29, 2005. (Not to current datum).
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: February 2004 to June 2008.
SALINITY: February 2004 to June 2008.
WATER TEMPERATURE: February 2004 to June 2008.
PH: February 2004 to June 2008.
DISSOLVED OXYGEN: February 2004 to June 2008.
EXTREMES FOR PERIOD OF RECORD -
WATER TEMPERATURE: Maximum, 32.9°C, Aug. 15, 2007; minimum, 8.4°C, Jan, 22 and 23, 2008.
SPECIFIC CONDUCTANCE: Maximum, 14,000 microsiemens/cm, Apr. 29, 2006; minimum, 26 microsiemens/cm, June 27 and 28, 2004.
SALINITY: Maximum, 8.1 ppt, Apr. 29, 2006; minimum, 0 ppt, many days.
pH: Maximum, 10.0 standard units, Nov. 25, 2007; minimum, 5.4 standard units, April 14, 15, and 16, 2005.
DISSOLVED OXYGEN: Maximum, 12.6 mg/L, Jan. 1, 2005; minimum, 0.1 mg/L, August 8, 2007. Site is affected by wind and tides.