Summary of Watershed Conditions in the Guadalupe River Basin Monday, May 19, 2025
This page is updated once a day with data obtained from USGS.
| Flow (cfs) | % of Daily Median | |
| A. Guadalupe River @ Comfort | 32 | 23% |
| B. Canyon Reservoir | ||
| Inflow | 2 | 1% |
| Release | 65 | 33% |
| Full Res. Elev. - msl (Conservation pool) | 909 | |
| Reservoir Elev. - msl | 877.21 | |
| Capacity (Conservation pool) | 45% | |
| C. Blanco River @ Wimberley | 3 | 3% |
| D. Comal Springs | 50 | 16% |
| E. San Marcos Springs | 86 | 49% |
| F. Guadalupe River @ Gonzales | 174 | 16% |
| G. Guadalupe River @ Victoria | 163 | 11% |
| H. San Antonio River @ Goliad | 150 | 30% |
| I. Guadalupe River @ Tivoli | 350 | 21% |
| Bay & Estuary Inflow | 244 | |
Watershed Charts
| Full Reservoir Elevation | Daily Elevation | |
|---|---|---|
| Elevation | 909 | 877.21 |
| Historical | Current | |
|---|---|---|
| Spring Branch (Inflow) | 234 | 2 |
| Sattler (Release) | 197 | 65 |
| Historical | Current | |
|---|---|---|
| Comal | 317 | 50 |
| San Marcos | 177 | 86 |
| Canyon Release | Comal Springs | Natural Baseflow | |
|---|---|---|---|
| Source Percentages | 56.5 | 43.5 | 0 |
| Canyon Release | Comal Springs | San Marcos Springs | Natural Baseflow | |
|---|---|---|---|---|
| Source Percentages | 32.3 | 24.9 | 42.8 | 0 |