USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

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Prince William County, Virginia

Latitude 38°42'17", Longitude 77°31'48" NAD27

Land-surface elevation 185.00 feet above NGVD29

The depth of the well is 600.00 feet below land surface.

The depth of the hole is 600.00 feet below land surface.

This well is completed in the Balls Bluff Siltstone (231BLBF) 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	? Water-level approval status
1981-10-07	D	62610		164.52	NGVD29	1	O	A
1981-10-07	D	62611		163.69	NAVD88	1	O	A
1981-10-07	D	72019	20.48			1	O	A
1987-09-24	D	62610		170.12	NGVD29	1	S	A
1987-09-24	D	62611		169.29	NAVD88	1	S	A
1987-09-24	D	72019	14.88			1	S	A
1991-04-02	D	62610		173.92	NGVD29	1	S	A
1991-04-02	D	62611		173.09	NAVD88	1	S	A
1991-04-02	D	72019	11.08			1	S	A
1991-10-25	D	62610		170.29	NGVD29	1	S	A
1991-10-25	D	62611		169.46	NAVD88	1	S	A
1991-10-25	D	72019	14.71			1	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.
Method of measurement	S	Steel-tape measurement.
Measuring agency		Not determined
Source of measurement		Not determined
Water-level approval status	A	Approved for publication -- Processing and review completed.

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

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2024-11-01 10:33:17 EDT
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