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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 Daily Values, Unit Values 1997-08-09 2024-11-21
Physical Daily Values, Unit Values 1997-08-09 2024-11-21
n/a USGS Annual Water Data Reports Site 2005-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 08179500 is associated with a Lake, Reservoir, Impoundment in Medina County, Texas. Current conditions of Lake or reservoir water surface elevation above NGVD 1929, Precipitation, Reservoir storage, and more are available. Water data back to 1997 are available online.

Datum of gage is 0.00 ft above NGVD29, Bexar Medina Atascosa Water Control and Improvement District (BMA) datum is 7.81 ft above NGVD29.
Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
08179500 n/a
Site name
Medina Lk nr San Antonio, TX n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 293224 n/a
DMS longitude 0985601 n/a
Decimal latitude 29.54022854 n/a
Decimal longitude -98.9339474 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 5 sec. F
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Texas 48
State
Texas 48
County
Medina County 325
Country US n/a
Land net location description n/a
Name of location map Medina Lake, TX n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 0.0 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .1 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
12100302
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNYNNNNNNNNYNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
634 square miles n/a
Contributing drainage area 634 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 NYNNNNNN 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 8653-00170 n/a

Operated in cooperation with:

logo for Bexar-Medina-Atascosa Counties, Texas, Water Control and Improvement District 1
Bexar-Medina-Atascosa Counties, Texas, Water Control and Improvement District 1
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds