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Water-Year Summary for Site 073745257

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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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.,Mean,Min.)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
073745257 Crooked B. NW of L. Cuatro Caballo near Delacroix
LOCATION - Lat 29°42'29", long 89°43'10" referenced to North American Datum of 1927, Plaquemines Parish, LA, Hydrologic Unit 08090203, on a three pile structure 8 miles southeast of Delacroix.
DRAINAGE AREA - Indeterminate.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1997 to current year.
GAGE -

Water-stage recorder.

Datum of gage is 4.20ft below NAVD88 (GEOID12B) EPOCH 2010.0000.  Prior to July 23, 2003 at site 40 ft downstream 0.00 NAVD88. Prior to Oct. 1, 1998, datum of gage is 3.40 ft below NAVD88.

REMARKS - Stage affected by wind and tide. Satellite telemetry at station.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 14.16 ft, Aug 28, 2021 but may have been higher during period of missing record during Hurricane Ida; Minimum gage height, -2.14 ft., Dec. 31, 2007.
WATER-QUALITY RECORDS
PERIOD OF RECORD - May 1997 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: May 1997 to current year. SALINITY: October 2002 to current year. WATER TEMPERATURE: May 1997 to current year.
INSTRUMENTATION - Water-quality monitor recording specific conductance and water temperature.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum, 39,600 microsiemens/cm, Sept. 1, 2008; minimum, 342 microsiemens/cm, May 9, 2008. SALINITY: Maximum, 25.2, in ppt, Sept. 1, 2008, 0.2, in ppt, on many days. WATER TEMPERATURE: Maximum, 35.2° C, Aug 23, 2015 and Jun 23, 2022; minimum, -0.2°C, Jan. 10, 2010.