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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 2004-09-29 2006-05-24
Inorganics, Major, Metals Water-quality 1960-05-20 1974-06-24
Inorganics, Major, Non-metals Daily Values, Water-quality 1959-09-25 2007-06-29
Inorganics, Minor, Non-metals Water-quality 1963-10-18 1963-10-18
Inorganics, Minor, metals Water-quality 1960-01-18 1974-06-24
Nutrient Water-quality 1960-01-18 1974-06-24
Physical Daily Values, Unit Values, Water-quality 1938-07-01 2024-11-26
Sediment Water-quality 2004-09-29 2006-10-26
n/a Peak Measurements 1913-01-01 2021-03-03
n/a Site Visits 1938-11-25 2024-10-22
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 03309000 is associated with a Stream in Edmonson County, Kentucky. Current conditions of Discharge, Gage height, Stream velocity, and more are available. Water data back to 1913 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
03309000 n/a
Site name
GREEN RIVER AT MAMMOTH CAVE, KY n/a
Site type
Stream
ST
DMS latitude 371048 n/a
DMS longitude 0860645 n/a
Decimal latitude 37.18004845 n/a
Decimal longitude -86.1124757 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Kentucky 21
State
Kentucky 21
County
Edmonson County 061
Country US n/a
Land net location description n/a
Name of location map n/a
Scale of location map n/a
Altitude of Gage/land surface 409.35 feet n/a
Method altitude determined GNSS3 - Level 3 Quality Survey Grade Global Navigation Satellite System Y
Altitude accuracy .10 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
05110001
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
2020.0 square miles n/a
Contributing drainage area 1539.0 square miles n/a
Time Zone abbreviation CST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files YNNNNNNN 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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US National Park Service (NPS)