Little Back River at Hog Island, Near Savannah, GA - 021989793

Continuous data

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April 6, 2025 - April 13, 2025

Temperature, water, degrees Celsius

Important Data may be provisional

Latest value

20.8 deg C

Provisional

Apr 13, 2025

22:00:00 PM EDT

Selected

20.8 deg C

Provisional

Apr 13, 2025

10:00:00 PM EDT

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Median

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Statistics for April 13, 2025 based on 11 years of data

Temperature, water, °C

low (2016)

17.8 deg C

25th percentile

18.5 deg C

median

19.3 deg C

75th percentile

20.4 deg C

mean

19.7 deg C

high (2015)

22.6 deg C

Temperature, water, degrees Celsius -- continuous data
Time	Result	Approval
2025-04-13T22:00:00.000-04:00	20.8	Provisional
2025-04-13T21:45:00.000-04:00	20.9	Provisional
2025-04-13T21:30:00.000-04:00	20.9	Provisional
2025-04-13T21:15:00.000-04:00	20.9	Provisional
2025-04-13T21:00:00.000-04:00	20.9	Provisional
2025-04-13T20:45:00.000-04:00	20.9	Provisional
2025-04-13T20:30:00.000-04:00	20.8	Provisional
2025-04-13T20:15:00.000-04:00	20.7	Provisional
2025-04-13T20:00:00.000-04:00	20.6	Provisional
2025-04-13T19:45:00.000-04:00	20.8	Provisional
2025-04-13T19:30:00.000-04:00	20.7	Provisional
2025-04-13T19:15:00.000-04:00	20.4	Provisional
2025-04-13T19:00:00.000-04:00	20.0	Provisional
2025-04-13T18:45:00.000-04:00	19.9	Provisional
2025-04-13T18:30:00.000-04:00	20.1	Provisional
2025-04-13T18:15:00.000-04:00	20.1	Provisional

Available data

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Continuous data

7 data types available - data from 2013-11-05 to 2025-04-13

Continuous data are collected via automated sensors installed at a monitoring location.

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Data type

Data date range

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Dissolved oxygen, water, unfiltered, milligrams per liter

2013-11-05 - 2025-04-13

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pH, water, unfiltered, field, standard units

2013-11-05 - 2025-04-13

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Phycoerythrin relative fluorescence (fPE), water, in situ, relative fluorescence units (RFU) EXO

2019-03-13 - 2019-12-05

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Salinity, water, unfiltered, parts per thousand

2013-11-05 - 2025-04-13

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

2013-11-05 - 2025-04-13

Graphed

Temperature, water, degrees Celsius

2013-11-05 - 2025-04-13

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

2013-11-05 - 2025-04-13

Daily data

6 data types available - data from 2013-11-05 to 2025-04-13

Field measurements

0 data types available

Discrete sample data

5 Observed properties (data types) available - with data from 2019-04-12 to 2019-04-25

120 Sampling activities

USGS Topo Imagery

Hydro

Legend

Monitoring Location

Active Monitoring Locations

5 km

3 mi

Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.

Interested in understanding how to access the upstream/downstream data? Learn about the Network-Linked Data Index (NLDI)

USGS Parameter Group	Data Types	Start Date	End Date
Information	Water-quality	2019-04-12	2019-04-25
Inorganics, Major, Non-metals	Daily Values, Unit Values	2013-11-05	2025-04-13
Physical	Daily Values, Unit Values, Water-quality	2013-11-05	2025-04-13
_n/a	USGS Annual Water Data Reports Site	2014-01-01	2024-01-01

Water Data for the Nation inventory

Monitoring location 021989793 is associated with a Tidal stream in Chatham County, Georgia. Current conditions of Dissolved oxygen, Salinity, Specific conductance, and more are available. Water data back to 2013 are available online.

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Site identification number	021989793	_n/a
Site name	LITTLE BACK RIVER AT HOG ISLAND, NEAR SAVANNAH, GA	_n/a
Site type	Tidal stream	ST-TS
DMS latitude	320812	_n/a
DMS longitude	0810719	_n/a
Decimal latitude	32.13666667	_n/a
Decimal longitude	-81.1219444	_n/a
Latitude-longitude method	Reported.	R
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
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	Chatham County	051
Country	US	_n/a
Land net location description		_n/a
Name of location map	LIMEHOUSE, SC	_n/a
Scale of location map	24000	_n/a
Altitude of Gage/land surface		_n/a
Method altitude determined		_n/a
Altitude accuracy		_n/a
Altitude datum		_n/a
Subbasin hydrologic unit	Lower Savannah	03060109
Drainage basin		_n/a
Topographic setting	Stream channel	C
Flags for instruments at site	NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN	_n/a
Date of first construction		_n/a
Date site established or inventoried	20130607	_n/a
Drainage area		_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		_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	SV-187QA	_n/a

Operated in cooperation with:

US Army Corps of Engineers - Savannah District

Little Back River at Hog Island, Near Savannah, GA - 021989793

Continuous data

Available data

Continuous data

Daily data

Field measurements

Discrete sample data

Summary of all available data

Location metadata

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