USGS Groundwater for Illinois: Water Levels -- 1 sites

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Groundwater levels for Illinois

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USGS 413910087335802 37N15E-36.4e2 (BH7I)

Agency code =	usgs
site_no list =	413910087335802
Minimum number of levels =	1

Cook County, Illinois

Latitude 41°39'09.57", Longitude 87°33'58.86" NAD27

Land-surface elevation 586.25 feet above NGVD29

The depth of the well is 29 feet below land surface.

The depth of the hole is 30 feet below land surface.

This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.

This well is completed in the Quaternary System (110QRNR) local aquifer.

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Date	Time	? Water-level date-time accuracy	? Parameter code	Water level, feet below land surface	Water level, feet above specific vertical datum	Referenced vertical datum	? Status	? Method of measurement	? Measuring agency	? Source of measurement	? Water-level approval status
1992-06-23		D	62610		580.40	NGVD29	1	S	USGS	S	A
1992-06-23		D	62611		580.06	NAVD88	1	S	USGS	S	A
1992-06-23		D	72019	5.85			1	S	USGS	S	A
2010-05-20	13:00 UTC	m	62610		576.73	NGVD29	1	V	USGS	S	A
2010-05-20	13:00 UTC	m	62611		576.39	NAVD88	1	V	USGS	S	A
2010-05-20	13:00 UTC	m	72019	9.52			1	V	USGS	S	A
2012-05-30	15:06 UTC	m	62610		577.60	NGVD29	1	V	USGS	S	A
2012-05-30	15:06 UTC	m	62611		577.26	NAVD88	1	V	USGS	S	A
2012-05-30	15:06 UTC	m	72019	8.65			1	V	USGS	S	A
2012-12-04		D	62610		576.04	NGVD29	1	V	USGS	S	A
2012-12-04		D	62611		575.70	NAVD88	1	V	USGS	S	A
2012-12-04		D	72019	10.21			1	V	USGS	S	A
2013-06-25		D	62610		576.25	NGVD29	1	V	USGS	S	A
2013-06-25		D	62611		575.91	NAVD88	1	V	USGS	S	A
2013-06-25		D	72019	10.00			1	V	USGS	S	A
2013-08-20	18:17 UTC	m	62610		576.34	NGVD29	1	V	USGS	S	A
2013-08-20	18:17 UTC	m	62611		576.00	NAVD88	1	V	USGS	S	A
2013-08-20	18:17 UTC	m	72019	9.91			1	V	USGS	S	A
2013-09-24	17:57 UTC	m	62610		576.49	NGVD29	1	V	USGS	S	A
2013-09-24	17:57 UTC	m	62611		576.15	NAVD88	1	V	USGS	S	A
2013-09-24	17:57 UTC	m	72019	9.76			1	V	USGS	S	A
2013-11-06	21:03 UTC	m	62610		576.55	NGVD29	1	V	USGS	S	A
2013-11-06	21:03 UTC	m	62611		576.21	NAVD88	1	V	USGS	S	A
2013-11-06	21:03 UTC	m	72019	9.70			1	V	USGS	S	A
2014-04-23	23:29 UTC	m	62610		576.10	NGVD29	1	V	USGS	S	A
2014-04-23	23:29 UTC	m	62611		575.76	NAVD88	1	V	USGS	S	A
2014-04-23	23:29 UTC	m	72019	10.15			1	V	USGS	S	A
2014-06-05	18:03 UTC	m	62610		576.53	NGVD29	1	V	USGS	S	A
2014-06-05	18:03 UTC	m	62611		576.19	NAVD88	1	V	USGS	S	A
2014-06-05	18:03 UTC	m	72019	9.72			1	V	USGS	S	A
2015-01-15	22:24 UTC	m	62610		577.17	NGVD29	1	V	USGS	S	A
2015-01-15	22:24 UTC	m	62611		576.83	NAVD88	1	V	USGS	S	A
2015-01-15	22:24 UTC	m	72019	9.08			1	V	USGS	S	A

Section	Code	Description
Water-level date-time accuracy	D	Date is accurate to the Day
Water-level date-time accuracy	m	Date is accurate to the Minute
Parameter code	62610	Groundwater level above NGVD 1929, feet
Parameter code	62611	Groundwater level above NAVD 1988, feet
Parameter code	72019	Depth to water level, feet below land surface
Referenced vertical datum	NAVD88	North American Vertical Datum of 1988
Referenced vertical datum	NGVD29	National Geodetic Vertical Datum of 1929
Status	1	Static
Method of measurement	S	Steel-tape measurement.
Method of measurement	V	Calibrated electric-tape measurement.
Measuring agency	USGS	U.S. Geological Survey
Source of measurement	S	Measured by personnel of reporting agency.
Water-level approval status	A	Approved for publication -- Processing and review completed.