Summary of Watershed Conditions in the Guadalupe River Basin Sunday, June 29, 2025
This page is updated once a day with data obtained from USGS.
| Flow (cfs) | % of Daily Median | |
| A. Guadalupe River @ Comfort | 62 | 77% |
| B. Canyon Reservoir | ||
| Inflow | 14 | 11% |
| Release | 73 | 29% |
| Full Res. Elev. - msl (Conservation pool) | 909 | |
| Reservoir Elev. - msl | 877.98 | |
| Capacity (Conservation pool) | 46% | |
| C. Blanco River @ Wimberley | 12 | 19% |
| D. Comal Springs | 142 | 47% |
| E. San Marcos Springs | 102 | 56% |
| F. Guadalupe River @ Gonzales | 447 | 68% |
| G. Guadalupe River @ Victoria | 336 | 32% |
| H. San Antonio River @ Goliad | 287 | 89% |
| I. Guadalupe River @ Tivoli | 1340 | 103% |
| Bay & Estuary Inflow | 1210 | |
Watershed Charts
| Full Reservoir Elevation | Daily Elevation | |
|---|---|---|
| Elevation | 909 | 877.98 |
| Historical | Current | |
|---|---|---|
| Spring Branch (Inflow) | 128 | 14 |
| Sattler (Release) | 249 | 73 |
| Historical | Current | |
|---|---|---|
| Comal | 300 | 142 |
| San Marcos | 183 | 102 |
| Canyon Release | Comal Springs | Natural Baseflow | |
|---|---|---|---|
| Source Percentages | 32.9 | 64.0 | 3.1 |
| Canyon Release | Comal Springs | San Marcos Springs | Natural Baseflow | |
|---|---|---|---|---|
| Source Percentages | 21.7 | 42.3 | 30.4 | 5.6 |