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Water-Year Summary for Site USGS 301200090072400

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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.
Available Parameters
00065 Gage height(Max.,Min.,Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
301200090072400 L Pontchartrain at Crossover 4 near Mandeville, LA
LOCATION - Lat 30°11'58.7", long 90°07'21.9" referenced to North American Datum of 1983, St. Tammany Parish, LA, Hydrologic Unit 08090202, on the south side of Turnaround #4 of Causeway bridge over Lake Pontchartrain.
PERIOD OF RECORD - May 2016 to current.
GAGE - Water-stage recorder. Datum of Gage is NAVD88 GEOID12b EPOCH 2010.0000.
REMARKS - Satellite telemetry and rain gage at station.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 4.36 ft, Jun. 08, 2020; minimum gage height, -1.72 ft, Jul. 23, 2018.