Summary of Watershed Conditions in the Guadalupe River Basin Saturday, October 24, 2026
This page is updated once a day with data obtained from USGS.
| Flow (cfs) | % of Daily Median | |
| A. Guadalupe River @ Comfort | 76 | 79% |
| B. Canyon Reservoir | ||
| Inflow | 84 | 65% |
| Release | 104 | 95% |
| Full Res. Elev. - msl (Conservation pool) | 909 | |
| Reservoir Elev. - msl | 907.44 | |
| Capacity (Conservation pool) | 97% | |
| C. Blanco River @ Wimberley | 5 | 11% |
| D. Comal Springs | 145 | 50% |
| E. San Marcos Springs | 94 | 59% |
| F. Guadalupe River @ Gonzales | 294 | 43% |
| G. Guadalupe River @ Victoria | 395 | 43% |
| H. San Antonio River @ Goliad | 200 | 63% |
| I. Guadalupe River @ Tivoli | 467 | 37% |
| Bay & Estuary Inflow | 339 | |
Watershed Charts
| Full Reservoir Elevation | Daily Elevation | |
|---|---|---|
| Elevation | 909 | 907.44 |
| Historical | Current | |
|---|---|---|
| Spring Branch (Inflow) | 130 | 84 |
| Sattler (Release) | 110 | 104 |
| Historical | Current | |
|---|---|---|
| Comal | 291 | 145 |
| San Marcos | 159 | 94 |
| Canyon Release | Comal Springs | Natural Baseflow | |
|---|---|---|---|
| Source Percentages | 37.8 | 52.7 | 9.5 |
| Canyon Release | Comal Springs | San Marcos Springs | Natural Baseflow | |
|---|---|---|---|---|
| Source Percentages | 26.3 | 36.7 | 23.8 | 13.2 |