Important for you to know:

How are we doing? We want to hear from you. Take our quick survey to tell us what you think.
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

Select data types to graph from categories based on the way the data were collected.

1 data types available - data from 2008-10-07 to 2012-10-18

1 data types available - data from 2008-10-07 to 2012-10-17

3 data types available - data from 1965-06-23 to 2012-10-18

35 Observed properties (data types) available - with data from 1965-06-22 to 1985-07-30

6 Sampling activities

1 data types available - data from 2008-10-07 to 2012-10-17

Zoom out to see link to My Favorites

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	322422092020701	n/a
Location name	Ou-401A	n/a
Site type	Well	GW
Decimal latitude (WGS84)	32.4062576873551	n/a
Decimal longitude (WGS84)	-92.0354106663907	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Louisiana	22
State	Louisiana	22
County	Ouachita Parish	073
Country	United States of America	n/a
Altitude of gage/land surface	62.28 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.1 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Boeuf	08050001
Drainage basin		n/a
Date of first construction	19650622	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	Mississippi embayment aquifer system	S100MSEMBM
Local aquifer	Sparta Sand	124SPRT
Local aquifer type	Confined single aquifer	C
Well depth	397 feet	n/a
Hole depth	876 feet	n/a
Source of depth data		n/a