USGS Water-Year Summary 2023
415318085243401 ST. JOSEPH 07-09 PIEZOMETER
Sand and gravel aquifers (glaciated regions)
Glacial Deposits, Undifferentiated
LOCATION - Lat 41°53'18.44", long 85°24'33.61" referenced to North American Datum of 1983, in sec.06, T.7 S., R.9 W., St. Joseph County, MI, Hydrologic Unit 04050001, on left bank 10 ft upstream from bridge on State Highway 66.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 6 ft. Upper casing diameter 1.25 in; top of first opening 2.2 ft, bottom of last opening 5.7 ft.
DATUM - Land-surface datum is 849 ft above North American Vertical Datum of 1988. Measuring point: MP is v notch north side of top of casing, 3.08 ft above land-surface datum, May 23, 2013 to present.
PERIOD OF RECORD - May 2013 to June 26, 2018.
GAGE - Water-level recorder.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, +3.15 ft above land-surface datum, Feb. 23, 2018; lowest recorded, 1.74 ft below land-surface datum, Aug. 12, 2016.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 6 ft. Upper casing diameter 1.25 in; top of first opening 2.2 ft, bottom of last opening 5.7 ft.
DATUM - Land-surface datum is 849 ft above North American Vertical Datum of 1988. Measuring point: MP is v notch north side of top of casing, 3.08 ft above land-surface datum, May 23, 2013 to present.
PERIOD OF RECORD - Water years 2016 to June 26, 2018.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 2015 to June 26, 2018.
INSTRUMENTATION - Water-quality monitor set for 15 minute measurement interval.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum recorded, 17.3°C, Aug. 24, 25, 2017; minimum recorded, 5.6°C, Feb. 20, 21, 2018.