USGS Water-Year Summary 2024
373927118571702 003S027E25M003M
LOCATION - Lat 37°39'27.5", long 118°57'17.5" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 SW 1/4 sec.25M, T.3 S., R.27 E., Mono County, CA, Hydrologic Unit 18090102,
REVISIONS HISTORY - Site elevation resurveyed resulting in a change in discrete water level above vertical datum between 11/12/2015 - 8/26/2022.
GROUNDWATER RECORDS
DATUM - Land-surface datum is 7,782.24 ft above North American Vertical Datum of 1988. Measuring point: MP4 is 2.10 ft above the LSD. The MP description is 'Black mark on top of 2" PVC casing, south side, 2.1 ft above land-surface datum, UNDEFINED BEGIN DATE to present; BLACK MARK ON TOP OF STAINLESS STEEL CASING, 1.25 ft above land-surface datum, Aug. 23, 2015 to present; BRASS BENCHMARK ON CEMENT PAD, 0.82 ft above land-surface datum, Aug. 23, 2015 to present; EVEN LEVEL WITH TOP OF 12-INCH MONUMENT, 1.54 ft above land-surface datum, Aug. 23, 2015 to present.