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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

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

3 data types available - data from 2007-10-01 to 2026-09-09

3 data types available - data from 2007-03-16 to 2026-09-08

2 data types available - data from 1949-10-05 to 2026-08-31

143 Observed properties (data types) available - with data from 1995-07-25 to 1995-07-25

1 Sampling activities

2 data types available - with data from 2008-08-26 to 2025-02-13

2 data types available - data from 2007-03-16 to 2026-09-07

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	02336986	n/a
Location name	OLLEY CREEK AT CLAY ROAD, NEAR AUSTELL, GA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	33.8361666666667	n/a
Decimal longitude (WGS84)	-84.6314444444444	n/a
Latitude-longitude method	Interpolated from Digital MAP.	N
Latitude-longitude accuracy	Accurate to + or - .1 sec (Differentially-Corrected GPS).	1
District	Georgia	13
State	Georgia	13
County	Cobb County	067
Country	United States of America	n/a
Altitude of gage/land surface	878.57 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.08 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Middle Chattahoochee-Lake Harding	03130002
Drainage basin		n/a
Date of first construction		n/a
Drainage area	13.5 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	EST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a