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Water-Year Summary for Site 073745275

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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.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00480 Salinity(Max.,Min.,Mean)  

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

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USGS Water-Year Summary 2021
073745275 Black Bay nr Stone Island nr Pointe-A-La-Hache, LA
LOCATION - Lat 29°34'09.5", long 89°30'44.0" referenced to North American Datum of 1983, Plaquemines Parish, LA, Hydrologic Unit 08090203, Located on Black Bay Central Facility monitoring platform, approx 15 miles ENE of Bohemia, LA.
DRAINAGE AREA - Indeterminate.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 20, 2014 to present.
GAGE - Water-stage recorder. Datum of gage is 4.44 feet below NAVD88(GEOID12B) EPOCH 2010.0000. Prior to 10/10/2016 Datum of gage is assumed.
COOPERATION - Louisiana Coastal Protection and Restoration Authority
REMARKS - Site affected by wind and tide. Satellite telemetry at station.
EXTREMES FOR PERIOD OF RECORD - Maximum recorded gage height, 11.80ft, June 07, 2020; minimum recorded gage height, 0.93ft, Jan 22, 2016.
WATER-QUALITY RECORDS
PERIOD OF RECORD - May 20, 2014 to present.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: May 20, 2014 to present. SALINITY: May 20, 2014 to present. WATER TEMPERATURE: May 20, 2014 to present.
INSTRUMENTATION - Water-quality monitor collecting temperature and specific conductance.
EXTREMES FOR PERIOD OF RECORD -
SPECIFIC CONDUCTANCE: Maximum recorded, 50,500 microsiemens/cm, Jul. 25, 2015; minimum recorded, 107 microsiemens/cm, Jan. 04, 2019. SALINITY: Maximum recorded, 33.1 ppt, Jul. 25, 2015; minimum recorded, 0.1 ppt, Jan. 04, 2019. WATER TEMPERATURE: Maximum recorded, 33.4°C, Aug. 18, 2017; minimum recorded, 5.1°C, Jan. 04, 2018.