Summary of Watershed Conditions in the Guadalupe River Basin Friday, April 18, 2025
This page is updated once a day with data obtained from USGS.
| Flow (cfs) | % of Daily Median | |
| A. Guadalupe River @ Comfort | 16 | 14% |
| B. Canyon Reservoir | ||
| Inflow | 11 | 6% |
| Release | 63 | 31% |
| Full Res. Elev. - msl (Conservation pool) | 909 | |
| Reservoir Elev. - msl | 878.13 | |
| Capacity (Conservation pool) | 47% | |
| C. Blanco River @ Wimberley | 6 | 8% |
| D. Comal Springs | 57 | 18% |
| E. San Marcos Springs | 86 | 54% |
| F. Guadalupe River @ Gonzales | 158 | 15% |
| G. Guadalupe River @ Victoria | 180 | 17% |
| H. San Antonio River @ Goliad | 139 | 39% |
| I. Guadalupe River @ Tivoli | 365 | 24% |
| Bay & Estuary Inflow | 259 | |
Watershed Charts
| Full Reservoir Elevation | Daily Elevation | |
|---|---|---|
| Elevation | 909 | 878.13 |
| Historical | Current | |
|---|---|---|
| Spring Branch (Inflow) | 172 | 11 |
| Sattler (Release) | 203 | 63 |
| Historical | Current | |
|---|---|---|
| Comal | 311 | 57 |
| San Marcos | 160 | 86 |
| Canyon Release | Comal Springs | Natural Baseflow | |
|---|---|---|---|
| Source Percentages | 52.5 | 47.5 | 0 |
| Canyon Release | Comal Springs | San Marcos Springs | Natural Baseflow | |
|---|---|---|---|---|
| Source Percentages | 30.6 | 27.7 | 41.7 | 0 |