Summary of Watershed Conditions in the Guadalupe River Basin Wednesday, June 10, 2026
This page is updated once a day with data obtained from USGS.
| Flow (cfs) | % of Daily Median | |
| A. Guadalupe River @ Comfort | 73 | 70% |
| B. Canyon Reservoir | ||
| Inflow | 73 | 39% |
| Release | 82 | 38% |
| Full Res. Elev. - msl (Conservation pool) | 909 | |
| Reservoir Elev. - msl | 886.75 | |
| Capacity (Conservation pool) | 59% | |
| C. Blanco River @ Wimberley | 5 | 6% |
| D. Comal Springs | 161 | 53% |
| E. San Marcos Springs | 88 | 49% |
| F. Guadalupe River @ Gonzales | 625 | 83% |
| G. Guadalupe River @ Victoria | 666 | 52% |
| H. San Antonio River @ Goliad | 608 | 163% |
| I. Guadalupe River @ Tivoli | 2170 | 156% |
| Bay & Estuary Inflow | 1990 | |
Watershed Charts
| Full Reservoir Elevation | Daily Elevation | |
|---|---|---|
| Elevation | 909 | 886.75 |
| Historical | Current | |
|---|---|---|
| Spring Branch (Inflow) | 187 | 73 |
| Sattler (Release) | 214 | 82 |
| Historical | Current | |
|---|---|---|
| Comal | 302 | 161 |
| San Marcos | 178 | 88 |
| Canyon Release | Comal Springs | Natural Baseflow | |
|---|---|---|---|
| Source Percentages | 30.5 | 59.9 | 9.6 |
| Canyon Release | Comal Springs | San Marcos Springs | Natural Baseflow | |
|---|---|---|---|---|
| Source Percentages | 12.3 | 24.2 | 13.2 | 50.3 |