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| | This page contains a link to the U.S.G.S. Frio River flow gage which is located at
Concan, Texas and an explanation of what these flow figures mean to the residents and visitors of Concan.
Link to
U.S.G.S.
Frio River Flow at Concan
During
interruptions please use the following URL to access near real-time data on our
backup server for this station at:
http://waterdata.usgs.gov/tx/nwis/uv/?site_no=08195000
The following is only a guideline. It is up to you to
decide if the flow is too swift for you or your family’s level of expertise.
| Flow in Cubic Feet per Second |
Frio River Level |
Comments |
| |
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| 15-25 |
|
Slow Floating - Some Walking |
| 25-150 |
Normal (Apx 3.75 Ft. at Gage) |
Good Tubing, normal flow |
| 150-500 |
6 Inches Above Normal |
Fun, Exciting Tubing, |
| 500-750 |
8 Inches Above Normal |
Great Tubing for good swimmers |
| 1,000 |
1-2 Ft. Above Normal |
May be Dangerous for small children/lifevests recommended |
| 3,000 |
3 Ft. Above Normal |
Possible Debris in Water/No tube rentals |
| 3,500 |
3.5 Ft. Above Normal |
1st or 2nd Crossing May Be Closed |
| 7,000 |
5 Ft. Above Normal |
|
| 10,000 |
7 Ft. Above Normal |
|
| 20,000 |
10 Ft. Above Normal |
|
| 30,000 |
13 Ft. Above Normal |
|
| 40,000 |
16 Ft. Above Normal |
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| 50,000 |
22 Ft. Above Normal |
1998 Flood |
| 60,000 |
25 Ft Above Normal |
July 2, 2002 Flood |
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