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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1993-07-09 1994-08-30
Inorganics, Major, Metals Water-quality 1994-08-30 1994-08-30
Inorganics, Major, Non-metals Water-quality 1994-08-30 1994-08-30
Inorganics, Minor, metals Water-quality 1994-08-30 1994-08-30
Nutrient Water-quality 1994-08-30 1994-08-30
Organics, other Water-quality 1994-08-30 1994-08-30
Organics, pesticide Water-quality 1993-07-09 1994-08-30
Physical Daily Values, Unit Values, Water-quality 1994-08-30 2024-11-21
n/a Peak Measurements 2008-07-08 2023-01-04
n/a Site Visits 1993-07-09 2024-10-17
n/a USGS Annual Water Data Reports Site 2008-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 023358685 is associated with a Stream in Cobb County, Georgia. Current conditions of Discharge, Gage height, and Precipitation are available. Water data back to 1993 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
023358685 n/a
Site name
SEWELL MILL CREEK AT GA 120, NEAR MARIETTA, GA n/a
Site type
Stream
ST
DMS latitude 335844.5 n/a
DMS longitude 0842707.3 n/a
Decimal latitude 33.97902778 n/a
Decimal longitude -84.4520278 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS). 1
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Georgia 13
State
Georgia 13
County
Cobb County 067
Country US n/a
Land net location description n/a
Name of location map SANDY SPRINGS n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 913.85 feet n/a
Method altitude determined GNSS1 - Level 1 Quality Survey Grade Global Navigation Satellite System W
Altitude accuracy .06 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
03130001
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNYNYNNYNNNYNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
12.57 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files NNNNNNNN 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
Project number n/a

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logo for Cobb County Water Systems
Cobb County Water Systems