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Water-Year Summary for Site 323915117055301

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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
62611 Elevation, GW, NAVD88(Max.,Med.,Min.)  
72019 Water level, depth LSD(Max.,Min.,Med.)  

Water year 2019: 2018-10-01 to 2019-09-30

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USGS Water-Year Summary 2019
323915117055301 017S002W33D001S, Mile of Cars Cluster Well near National City, CA
California Coastal Basin aquifers
LOCATION - Lat 32°39'15.89", long 117°05'53.68" referenced to North American Datum of 1983, San Diego County, CA, Hydrologic Unit 18070304, southwest corner of fenced, empty lot at 3303 National City Blvd, National City.
WELL CHARACTERISTICS - Depth 1,480 ft. Upper casing diameter 2.9 in; top of first opening 1,440 ft, bottom of last opening 1,480 ft.
DATUM - Land-surface datum is 23.04 ft above North American Vertical Datum of 1988. Measuring point: Top of concrete vault (above LSD), 0.50 ft above land-surface datum, Jun. 26, 2005 to present; Top of 3 inch PVC casing, black mark on south side (below LSD), 0.81 ft below land-surface datum, Jun. 26, 2005 to present.
PERIOD OF RECORD - Water year 2006 to current year.
GAGE - Electronic data logger and pressure sensor.
REMARKS - Sudden water-level changes may be attributed to nearby anthropogenic effects such as pumping and sampling. Mile of Cars Cluster Wells consist of five continuous record groundwater wells, located in a common ground-level vault.
PERIOD OF DAILY RECORD - November 2005 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest daily maximum water level recorded, -1.37 ft NAVD 88, Mar. 30, 2006; lowest daily minimum water level recorded, -79.97 ft NAVD 88, Sep. 30, 2019.