Summary of Watershed Conditions in the Guadalupe River Basin Sunday, March 23, 2025
This page is updated once a day with data obtained from USGS.
| Flow (cfs) | % of Daily Median | |
| A. Guadalupe River @ Comfort | 19 | 15% |
| B. Canyon Reservoir | ||
| Inflow | 6 | 3% |
| Release | 63 | 26% |
| Full Res. Elev. - msl (Conservation pool) | 909 | |
| Reservoir Elev. Today - msl | 878.74 | |
| Capacity (Conservation pool) | 47% | |
| C. Blanco River @ Wimberley | 7 | 10% |
| D. Comal Springs | 63 | 20% |
| E. San Marcos Springs | 85 | 52% |
| F. Guadalupe River @ Gonzales | 248 | 22% |
| G. Guadalupe River @ Victoria | 203 | 18% |
| H. San Antonio River @ Goliad | 170 | 43% |
| I. Guadalupe River @ Tivoli | 413 | 25% |
| Bay & Estuary Inflow | 327 | |
Watershed Charts
| Full Reservoir Elevation | Daily Elevation | |
|---|---|---|
| Elevation | 909 | 878.74 |
| Historical | Current | |
|---|---|---|
| Spring Branch (Inflow) | 199 | 6 |
| Sattler (Release) | 240 | 63 |
| Historical | Current | |
|---|---|---|
| Comal | 308 | 63 |
| San Marcos | 163 | 85 |
| Canyon Release | Comal Springs | Natural Baseflow | |
|---|---|---|---|
| Source Percentages | 50.0 | 50.0 | 0 |
| Canyon Release | Comal Springs | San Marcos Springs | Natural Baseflow | |
|---|---|---|---|---|
| Source Percentages | 29.8 | 29.8 | 40.3 | 0 |