| USGS Parameter Group | Data Types | Start Date | End Date |
|---|---|---|---|
| Information | Water-quality | 1978-06-27 | 1988-08-01 |
| Inorganics, Major, Metals | Water-quality | 1976-10-13 | 1988-08-01 |
| Inorganics, Major, Non-metals | Water-quality | 1976-10-13 | 1988-08-01 |
| Inorganics, Minor, Non-metals | Water-quality | 1976-10-13 | 1988-08-01 |
| Inorganics, Minor, metals | Water-quality | 1976-10-13 | 1988-08-01 |
| Microbiological | Water-quality | 1976-10-13 | 1988-08-01 |
| Nutrient | Water-quality | 1976-10-13 | 1988-08-01 |
| Organics, PCBs | Water-quality | 1976-10-13 | 1981-08-19 |
| Organics, other | Water-quality | 1976-10-13 | 1988-08-01 |
| Organics, pesticide | Water-quality | 1976-10-13 | 1985-06-06 |
| Physical | Daily Values, Unit Values, Water-quality | 1924-06-01 | 2024-12-30 |
| Radiochemistry | Water-quality | 1980-01-15 | 1981-06-17 |
| Sediment | Water-quality | 1976-11-03 | 1982-07-26 |
| n/a | Peak Measurements | 1869-07-03 | 2023-05-16 |
| n/a | Site Visits | 1924-05-16 | 2024-10-17 |
| n/a | USGS Annual Water Data Reports Site | 2005-01-01 | 2024-01-01 |
Monitoring location 08159000 is associated with a Stream in Travis County, Texas. Current conditions of Discharge and Gage height are available. Water data back to 1869 are available online.
The elevation of this station has been determined to be 443.28 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 443.28 feet to gage height values.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
08159000 | n/a |
|
Site name
|
Onion Ck at US Hwy 183, Austin, TX | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 301040 | n/a |
| DMS longitude | 0974118 | n/a |
| Decimal latitude | 30.17798987 | n/a |
| Decimal longitude | -97.6886138 | 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
|
Travis County | 453 |
| Country | US | n/a |
| Land net location description | n/a | |
| Name of location map | Montopolis, TX | n/a |
| Scale of location map | 24000 | n/a |
| Altitude of Gage/land surface | 443.28 feet | n/a |
| Method altitude determined | GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System | X |
| Altitude accuracy | .17 feet | n/a |
|
Altitude datum
|
North American Vertical Datum of 1988 | NAVD88 |
|
Subbasin hydrologic unit
|
12090205 | |
|
Drainage basin
|
n/a | |
|
Topographic setting
|
n/a | |
| Flags for instruments at site | NNNNYNNNNNNNNYNNYNNNNNNNNNNNNN | n/a |
|
Date of first construction
|
n/a | |
| Date site established or inventoried | n/a | |
|
Drainage area
|
321 square miles | n/a |
| Contributing drainage area | 321 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 | 8653-00120 | n/a |
