Summary of Watershed Conditions in the Guadalupe River Basin Wednesday, March 26, 2025
This page is updated once a day with data obtained from USGS.
| Flow (cfs) | % of Daily Median | |
| A. Guadalupe River @ Comfort | 21 | 17% |
| B. Canyon Reservoir | ||
| Inflow | 8 | 4% |
| Release | 65 | 27% |
| Full Res. Elev. - msl (Conservation pool) | 909 | |
| Reservoir Elev. Today - msl | 878.69 | |
| Capacity (Conservation pool) | 47% | |
| C. Blanco River @ Wimberley | 10 | 12% |
| D. Comal Springs | 64 | 21% |
| E. San Marcos Springs | 90 | 54% |
| F. Guadalupe River @ Gonzales | 297 | 30% |
| G. Guadalupe River @ Victoria | 254 | 22% |
| H. San Antonio River @ Goliad | 184 | 49% |
| I. Guadalupe River @ Tivoli | 434 | 25% |
| Bay & Estuary Inflow | 354 | |
Watershed Charts
| Full Reservoir Elevation | Daily Elevation | |
|---|---|---|
| Elevation | 909 | 878.69 |
| Historical | Current | |
|---|---|---|
| Spring Branch (Inflow) | 198 | 8 |
| Sattler (Release) | 241 | 65 |
| Historical | Current | |
|---|---|---|
| Comal | 311 | 64 |
| San Marcos | 166 | 90 |
| Canyon Release | Comal Springs | Natural Baseflow | |
|---|---|---|---|
| Source Percentages | 50.4 | 49.6 | 0 |
| Canyon Release | Comal Springs | San Marcos Springs | Natural Baseflow | |
|---|---|---|---|---|
| Source Percentages | 25.6 | 25.2 | 35.4 | 13.8 |