USGS Groundwater for USA: Water Levels -- 1 sites

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USGS 420001087595201 41N11E-33.8a

Agency code =	usgs
site_no list =	420001087595201
Minimum number of levels =	1

Cook County, Illinois

Latitude 42°00'01.14", Longitude 87°59'51.54" NAD83

Land-surface elevation 685 feet above NGVD29

The depth of the well is 20.2 feet below land surface.

The depth of the hole is 20.2 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
2012-03-22	20:00 UTC	m	62610		672.19	NGVD29	1	V	USGS	S	A
2012-03-22	20:00 UTC	m	62611		671.90	NAVD88	1	V	USGS	S	A
2012-03-22	20:00 UTC	m	72019	12.81			1	V	USGS	S	A
2012-04-23	20:48 UTC	m	62610		672.00	NGVD29	1	V	USGS	S	A
2012-04-23	20:48 UTC	m	62611		671.71	NAVD88	1	V	USGS	S	A
2012-04-23	20:48 UTC	m	72019	13.00			1	V	USGS	S	A
2012-06-06	22:53 UTC	m	62610		671.03	NGVD29	1	V	USGS	S	A
2012-06-06	22:53 UTC	m	62611		670.74	NAVD88	1	V	USGS	S	A
2012-06-06	22:53 UTC	m	72019	13.97			1	V	USGS	S	A
2012-06-07	15:06 UTC	m	62610		671.64	NGVD29	1	V	USGS	S	A
2012-06-07	15:06 UTC	m	62611		671.35	NAVD88	1	V	USGS	S	A
2012-06-07	15:06 UTC	m	72019	13.36			1	V	USGS	S	A
2012-08-20	18:17 UTC	m	62610		671.13	NGVD29	1	V	USGS	S	A
2012-08-20	18:17 UTC	m	62611		670.84	NAVD88	1	V	USGS	S	A
2012-08-20	18:17 UTC	m	72019	13.87			1	V	USGS	S	A
2012-09-20	22:36 UTC	m	62610		670.98	NGVD29	1	V	USGS	S	A
2012-09-20	22:36 UTC	m	62611		670.69	NAVD88	1	V	USGS	S	A
2012-09-20	22:36 UTC	m	72019	14.02			1	V	USGS	S	A
2012-11-08	15:20 UTC	m	62610		671.26	NGVD29	1	V	USGS	S	A
2012-11-08	15:20 UTC	m	62611		670.97	NAVD88	1	V	USGS	S	A
2012-11-08	15:20 UTC	m	72019	13.74			1	V	USGS	S	A
2013-01-31	14:00 UTC	m	62610		672.51	NGVD29	1	V	USGS	S	A
2013-01-31	14:00 UTC	m	62611		672.22	NAVD88	1	V	USGS	S	A
2013-01-31	14:00 UTC	m	72019	12.49			1	V	USGS	S	A
2013-03-25	22:16 UTC	m	62610		672.50	NGVD29	1	V	USGS	S	A
2013-03-25	22:16 UTC	m	62611		672.21	NAVD88	1	V	USGS	S	A
2013-03-25	22:16 UTC	m	72019	12.50			1	V	USGS	S	A
2013-05-17	16:24 UTC	m	62610		672.16	NGVD29	1	V	USGS	S	A
2013-05-17	16:24 UTC	m	62611		671.87	NAVD88	1	V	USGS	S	A
2013-05-17	16:24 UTC	m	72019	12.84			1	V	USGS	S	A

Section	Code	Description
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	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.