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Scheduled Maintenance Notice
USGS will be performing maintenance on the time series data processing system beginning at 09:00 EDT on September 10, 2026. During this period, delivery of the latest time series data will be delayed. The maintenance is expected to finish within 2 hours, after which all backlogged time series data will be processed and delivered to WDFN web portals and APIs.

Available data

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0 data types available

1 data types available - data from 1962-06-15 to 2013-09-29

3 data types available - data from 1956-06-18 to 2013-10-23

15 Observed properties (data types) available - with data from 1975-02-05 to 1975-08-08

3 Sampling activities

1 data types available - data from 1975-10-01 to 2013-09-29

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	344457086363701	n/a
Location name	Well MAD 4 344457086363701 Madison Cnty Al	n/a
Site type	Well	GW
Decimal latitude (WGS84)	34.7492575660706	n/a
Decimal longitude (WGS84)	-86.61027125245	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Alabama	01
State	Alabama	01
County	Madison County	089
Country	United States of America	n/a
Altitude of gage/land surface	686.11 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	1 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Wheeler Lake	06030002
Drainage basin		n/a
Date of first construction	19560614	n/a
Drainage area		n/a
Contributing drainage area		n/a
Time zone abbreviation	CST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer	Mississippian aquifers	N500MSSPPI
Local aquifer	Fort Payne Chert/formation	337FRPN
Local aquifer type	Confined single aquifer	C
Well depth	145 feet	n/a
Hole depth	145 feet	n/a
Source of depth data	O	n/a