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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.
USGS Water-Year Summary 2024
415546121205401 47.00N/05.00E-12F01M
Pacific Northwest basin-fill aquifers
Lacustrine Deposits, Older
Lacustrine Deposits, Older
LOCATION - Lat 41°55'45.5", long 121°20'58.2" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 SW 1/4 sec.12, T.4700 N., R.500 E., Modoc County, CA, Hydrologic Unit 18010204, near Bloody Point.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 313 ft. Upper casing diameter 8 in; top of first opening 18 ft, bottom of last opening 313 ft. Well unused.
DATUM - Land-surface datum is 4,039.5 ft above North American Vertical Datum of 1988. Measuring point: Top of hole in recorder platform, 2.1 ft above land-surface datum, Jun. 27, 2001 to present.
PERIOD OF RECORD - June 2001 to current year.
REMARKS - State well identification is unavailable.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 2.62 ft below land-surface datum, Aug. 18, 2016; lowest water level, 9.79 ft below land-surface datum, Dec. 30, 2022.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - BAROMETRIC PRESSURE: July 2016 to current year.
INSTRUMENTATION - BAROMETRIC PRESSURE: Collection, computation, and publication of barometric pressure data do not necessarily conform to standards used by the National Weather Service. Records published in this report are for general scientific use.
EXTREMES FOR PERIOD OF RECORD - BAROMETRIC PRESSURE: Maximum, 673 mmHg Jan. 27, 28, 2017; minimum, 635 mmHg Nov. 27, 2019.
REMARKS - Meteorological monitor.
