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DESCRIPTION:

Latitude 42°19'06",   Longitude 88°15'36"   NAD27
Mchenry County, Illinois   , Hydrologic Unit 07120006

Well depth: 180 feet
Hole depth: 180 feet
Land surface altitude: 779 feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Maquoketa Group" (362MQKTG) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1957	1957	1
Field/Lab water-quality samples	1986-07-15	1986-07-15	1
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