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 =	401934089542001
Minimum number of levels =	1

Mason County, Illinois

Latitude 40°19'34.51", Longitude 89°54'19.86" NAD83

Land-surface elevation 464.88 feet above NAVD88

The depth of the well is 8.74 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
2018-04-04	18:15 UTC	m	62610		464.27	NGVD29		V	USGS	S	A
2018-04-04	18:15 UTC	m	62611		463.94	NAVD88		V	USGS	S	A
2018-04-04	18:15 UTC	m	72019	0.94				V	USGS	S	A
2018-05-15	16:50 UTC	m	62610		463.79	NGVD29	1	T	USGS	S	A
2018-05-15	16:50 UTC	m	62611		463.46	NAVD88	1	T	USGS	S	A
2018-05-15	16:50 UTC	m	72019	1.42			1	T	USGS	S	A
2018-05-22	17:25 UTC	m	62610		463.79	NGVD29	1	V	USGS	S	A
2018-05-22	17:25 UTC	m	62611		463.46	NAVD88	1	V	USGS	S	A
2018-05-22	17:25 UTC	m	72019	1.42			1	V	USGS	S	A
2018-06-27	17:22 UTC	m	62610		463.56	NGVD29	1	T	USGS	S	A
2018-06-27	17:22 UTC	m	62611		463.23	NAVD88	1	T	USGS	S	A
2018-06-27	17:22 UTC	m	72019	1.65			1	T	USGS	S	A
2018-07-18	16:05 UTC	m	62610		463.29	NGVD29	1	V	USGS	S	A
2018-07-18	16:05 UTC	m	62611		462.96	NAVD88	1	V	USGS	S	A
2018-07-18	16:05 UTC	m	72019	1.92			1	V	USGS	S	A
2018-08-07	14:50 UTC	m	62610		462.97	NGVD29	1	T	USGS	S	A
2018-08-07	14:50 UTC	m	62611		462.64	NAVD88	1	T	USGS	S	A
2018-08-07	14:50 UTC	m	72019	2.24			1	T	USGS	S	A
2018-09-25	20:08 UTC	m	62610		463.27	NGVD29	1	T	USGS	S	A
2018-09-25	20:08 UTC	m	62611		462.94	NAVD88	1	T	USGS	S	A
2018-09-25	20:08 UTC	m	72019	1.94			1	T	USGS	S	A
2018-10-31	18:00 UTC	m	62610		463.94	NGVD29	1	T	USGS	S	A
2018-10-31	18:00 UTC	m	62611		463.61	NAVD88	1	T	USGS	S	A
2018-10-31	18:00 UTC	m	72019	1.27			1	T	USGS	S	A
2018-12-19	19:16 UTC	m	62610		464.09	NGVD29	1	T	USGS	S	A
2018-12-19	19:16 UTC	m	62611		463.76	NAVD88	1	T	USGS	S	A
2018-12-19	19:16 UTC	m	72019	1.12			1	T	USGS	S	A
2019-04-01	17:37 UTC	m	62610		465.29	NGVD29	1	V	USGS	S	A
2019-04-01	17:37 UTC	m	62611		464.96	NAVD88	1	V	USGS	S	A
2019-04-01	17:37 UTC	m	72019	-0.08			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		The reported water-level measurement represents a static level
Status	1	Static
Method of measurement	T	Electric-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.

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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: 2024-06-16 16:56:30 EDT
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USGS 401934089542001 22N07W-29.1h2 (PZ-2)