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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
Biological Water-quality 2000-03-01 2002-09-12
Information Water-quality 1978-11-15 2016-05-04
Inorganics, Major, Metals Water-quality 1956-04-26 2002-08-27
Inorganics, Major, Non-metals Water-quality 1956-04-26 2016-05-04
Inorganics, Minor, Non-metals Water-quality 1979-05-16 1979-05-16
Inorganics, Minor, metals Water-quality 1966-05-12 2002-09-12
Microbiological Water-quality 1978-11-15 1979-08-24
Nutrient Water-quality 1956-04-26 2002-08-27
Organics, PCBs Water-quality 1979-05-16 1979-05-16
Organics, other Water-quality 1979-05-16 2016-05-04
Organics, pesticide Water-quality 1979-05-16 2016-05-04
Physical Daily Values, Unit Values, Water-quality 1956-04-26 2024-11-21
Sediment Water-quality 1978-11-15 2002-09-12
n/a Peak Measurements 1962-10-06 2022-10-02
n/a Site Visits 1962-09-20 2024-07-31
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 02235200 is associated with a Stream in Lake County, Florida. Current conditions of Discharge, Gage height, and Stream water level elevation above NAVD 1988 are available. Water data back to 1956 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
02235200 n/a
Site name
BLACKWATER CREEK NEAR CASSIA, FL n/a
Site type
Stream
ST
DMS latitude 285228 n/a
DMS longitude 0812923 n/a
Decimal latitude 28.87444444 n/a
Decimal longitude -81.4897222 n/a
Latitude-longitude method
Interpolated from MAP. M
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
125 n/a
State
Florida 12
County
Lake County 069
Country US n/a
Land net location description SWS35 T18S R28E T n/a
Name of location map n/a
Scale of location map n/a
Altitude of Gage/land surface 18.55 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 2.5 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
03080101
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
126 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

Operated in cooperation with:

logo for St. Johns River Water Management District
St. Johns River Water Management District
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds