USGS Water-Year Summary 2024
421448085383601 2S 11W 31CDCB 01 KALAMAZOO CO (COLONY)
Sand and gravel aquifers (glaciated regions)
Gravel
LOCATION - Lat 42°14'48", long 85°38'36" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 SW 1/4 sec.31, T.2 S., R.11 W., Kalamazoo County, MI, Hydrologic Unit 04050003, 1,000 ft from U.S. Highway 131 in Kalamazoo. Owner: City of Kalamazoo.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 226 ft. Upper casing diameter 4 in; top of first opening 216 ft, bottom of last opening 226 ft.
DATUM - Land-surface datum is 922.42 ft above North American Vertical Datum of 1988. Measuring point: TOP OF INSTRUMENT SHELF, 3.0 ft above land-surface datum, Jul. 10, 1969 to present.
PERIOD OF RECORD - August 1969 to current year.
GAGE - Water-level recorder.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 41.39 ft below land-surface datum, Sept. 12, 1982; lowest recorded, 71.75 ft below land-surface datum, May 22, 1978.