USGS Water-Year Summary 2024
423423083324001 02N 08E 18DBAD01 OAKLAND CO (PROUD LAKE WELL)
Sand and gravel aquifers (glaciated regions)
Sand, Gravel, and Clay
LOCATION - Lat 42°34'21", long 83°32'38" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.18, T.2 N., R.8 E., Oakland County, MI, Hydrologic Unit 04090005, at Proud Lake State Park.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 45 ft. Upper casing diameter 6 in; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 915.28 ft above North American Vertical Datum of 1988. Measuring point: Top of Steel Casing, 2.0 ft above land-surface datum, Jul. 2, 1969 to Oct. 4, 2021; Top of instrument shelf; top of aluminum bar centered over well marked MP. Measured 0.20 ft from top of casing, 2.2 ft above land-surface datum, Oct. 4, 2021 to present.
PERIOD OF RECORD - July 1969 to December 1991 (water-level recorder), January to June 1992 and August 2000 to July 2001 (periodic measurements), August 2001 to April 2004, October 2021 to present.
EXTREMES FOR PERIOD OF RECORD - EXTREMES FOR PERIOD OF RECORD.-- Highest water level recorded, 2.84 ft below land-surface datum, May 22, 1974; lowest recorded, 6.79 ft below land-surface datum, Sept. 8, 9, 2003.