Summary of Watershed Conditions in the Guadalupe River Basin Tuesday, April 29, 2025
This page is updated once a day with data obtained from USGS.
| Flow (cfs) | % of Daily Median | |
| A. Guadalupe River @ Comfort | 22 | 16% |
| B. Canyon Reservoir | ||
| Inflow | 21 | 10% |
| Release | 62 | 32% |
| Full Res. Elev. - msl (Conservation pool) | 909 | |
| Reservoir Elev. - msl | 877.90 | |
| Capacity (Conservation pool) | 46% | |
| C. Blanco River @ Wimberley | 6 | 7% |
| D. Comal Springs | 74 | 24% |
| E. San Marcos Springs | 88 | 52% |
| F. Guadalupe River @ Gonzales | 204 | 24% |
| G. Guadalupe River @ Victoria | 234 | 18% |
| H. San Antonio River @ Goliad | 406 | 96% |
| I. Guadalupe River @ Tivoli | 1030 | 51% |
| Bay & Estuary Inflow | 917 | |
Watershed Charts
| Full Reservoir Elevation | Daily Elevation | |
|---|---|---|
| Elevation | 909 | 877.90 |
| Historical | Current | |
|---|---|---|
| Spring Branch (Inflow) | 211 | 21 |
| Sattler (Release) | 196 | 62 |
| Historical | Current | |
|---|---|---|
| Comal | 312 | 74 |
| San Marcos | 170 | 88 |
| Canyon Release | Comal Springs | Natural Baseflow | |
|---|---|---|---|
| Source Percentages | 45.6 | 54.4 | 0 |
| Canyon Release | Comal Springs | San Marcos Springs | Natural Baseflow | |
|---|---|---|---|---|
| Source Percentages | 26.5 | 31.6 | 37.6 | 4.3 |