USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

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Agency code =	usgs
site_no list =	414042088003201
Minimum number of levels =	1

Cook County, Illinois

Latitude 41°40'41.72", Longitude 88°00'32.32" NAD83

Land-surface elevation 587.21 feet above NAVD88

The depth of the well is 70.0 feet below land surface.

The depth of the hole is 70.0 feet below land surface.

This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.

This well is completed in the Silurian System (350SLRN) 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
2011-02-11	18:45 UTC	m	62610		586.57	NGVD29	1	V	USGS	S	A
2011-02-11	18:45 UTC	m	62611		586.28	NAVD88	1	V	USGS	S	A
2011-02-11	18:45 UTC	m	72019	0.93			1	V	USGS	S	A
2011-02-16	23:23 UTC	m	62610		587.16	NGVD29	1	V	USGS	S	A
2011-02-16	23:23 UTC	m	62611		586.87	NAVD88	1	V	USGS	S	A
2011-02-16	23:23 UTC	m	72019	0.34			1	V	USGS	S	A
2011-02-18	16:17 UTC	m	62610		587.00	NGVD29	1	V	USGS	S	A
2011-02-18	16:17 UTC	m	62611		586.71	NAVD88	1	V	USGS	S	A
2011-02-18	16:17 UTC	m	72019	0.50			1	V	USGS	S	A
2011-02-18	19:39 UTC	m	62610		587.05	NGVD29	1	V	USGS	S	A
2011-02-18	19:39 UTC	m	62611		586.76	NAVD88	1	V	USGS	S	A
2011-02-18	19:39 UTC	m	72019	0.45			1	V	USGS	S	A
2011-02-24	16:13 UTC	m	62610		587.14	NGVD29	1	V	USGS	S	A
2011-02-24	16:13 UTC	m	62611		586.85	NAVD88	1	V	USGS	S	A
2011-02-24	16:13 UTC	m	72019	0.36			1	V	USGS	S	A
2011-02-24	18:27 UTC	m	62610		587.19	NGVD29	1	V	USGS	S	A
2011-02-24	18:27 UTC	m	62611		586.90	NAVD88	1	V	USGS	S	A
2011-02-24	18:27 UTC	m	72019	0.31			1	V	USGS	S	A
2011-03-23	17:34 UTC	m	62610		587.30	NGVD29	1	V	USGS	S	A
2011-03-23	17:34 UTC	m	62611		587.01	NAVD88	1	V	USGS	S	A
2011-03-23	17:34 UTC	m	72019	0.20			1	V	USGS	S	A
2011-04-05	18:15 UTC	m	62610		587.17	NGVD29	1	V	USGS	S	A
2011-04-05	18:15 UTC	m	62611		586.88	NAVD88	1	V	USGS	S	A
2011-04-05	18:15 UTC	m	72019	0.33			1	V	USGS	S	A
2011-04-13	16:45 UTC	m	62610		586.96	NGVD29	1	V	USGS	S	A
2011-04-13	16:45 UTC	m	62611		586.67	NAVD88	1	V	USGS	S	A
2011-04-13	16:45 UTC	m	72019	0.54			1	V	USGS	S	A
2011-05-09	18:16 UTC	m	62610		587.03	NGVD29	1	V	USGS	S	A
2011-05-09	18:16 UTC	m	62611		586.74	NAVD88	1	V	USGS	S	A
2011-05-09	18:16 UTC	m	72019	0.47			1	V	USGS	S	A
2012-02-15	16:05 UTC	m	62610		587.31	NGVD29	1	V	USGS	S	A
2012-02-15	16:05 UTC	m	62611		587.02	NAVD88	1	V	USGS	S	A
2012-02-15	16:05 UTC	m	72019	0.19			1	V	USGS	S	A

**Explanation**
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.

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U.S. Department of the Interior | U.S. Geological Survey
Title: Groundwater for USA: Water Levels
URL: https://nwis.waterdata.usgs.gov/nwis/gwlevels?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2024-05-09 03:28:07 EDT
0.33 0.26 nadww02

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USGS 414042088003201 37N11E-20.8e