Summary of Watershed Conditions in the Guadalupe River Basin Thursday, April 17, 2025
This page is updated once a day with data obtained from USGS.
| Flow (cfs) | % of Daily Median | |
| A. Guadalupe River @ Comfort | 17 | 15% |
| B. Canyon Reservoir | ||
| Inflow | 13 | 8% |
| Release | 63 | 30% |
| Full Res. Elev. - msl (Conservation pool) | 909 | |
| Reservoir Elev. - msl | 878.17 | |
| Capacity (Conservation pool) | 47% | |
| C. Blanco River @ Wimberley | 6 | 8% |
| D. Comal Springs | 56 | 18% |
| E. San Marcos Springs | 86 | 53% |
| F. Guadalupe River @ Gonzales | 209 | 21% |
| G. Guadalupe River @ Victoria | 186 | 18% |
| H. San Antonio River @ Goliad | 137 | 37% |
| I. Guadalupe River @ Tivoli | 359 | 22% |
| Bay & Estuary Inflow | 277 | |
Watershed Charts
| Full Reservoir Elevation | Daily Elevation | |
|---|---|---|
| Elevation | 909 | 878.17 |
| Historical | Current | |
|---|---|---|
| Spring Branch (Inflow) | 172 | 13 |
| Sattler (Release) | 211 | 63 |
| Historical | Current | |
|---|---|---|
| Comal | 306 | 56 |
| San Marcos | 162 | 86 |
| Canyon Release | Comal Springs | Natural Baseflow | |
|---|---|---|---|
| Source Percentages | 53.0 | 47.0 | 0 |
| Canyon Release | Comal Springs | San Marcos Springs | Natural Baseflow | |
|---|---|---|---|---|
| Source Percentages | 30.8 | 27.3 | 41.9 | 0 |