USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

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Henry County, Iowa

Latitude 41°07'47", Longitude 91°26'04" NAD27

Land-surface elevation 710 feet above NGVD29

The depth of the well is 1,920 feet below land surface.

The depth of the hole is 1,920 feet below land surface.

This well is completed in the St Lawrence Formation (371SLRC) local aquifer.

Date	? 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
1947-12-09	D	62610		563.60	NGVD29	1	O	USGS	S	P
1947-12-09	D	62611		563.44	NAVD88	1	O	USGS	S	P
1947-12-09	D	72019	146.40			1	O	USGS	S	P
1948-01-30	D	62610		594.43	NGVD29	1	O	USGS	S	A
1948-01-30	D	62611		594.27	NAVD88	1	O	USGS	S	A
1948-01-30	D	72019	115.57			1	O	USGS	S	A

**Explanation**
Section	Code	Description
Water-level date-time accuracy	D	Date is accurate to the Day
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	O	Observed.
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.
Water-level approval status	P	Provisional data subject to revision.

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: 2024-11-30 14:58:29 EST
0.34 0.23 nadww02