Guadalupe River near Spring Branch

No flooding

USGS 08167500 · NWS SRGT2 · Comal County

77cfs

USGS · 10:00 AM CDT

Gage height

2.32 ft

Share of river inflow

100%

Streamflow · past 7 days

78.888.898.7Sep 22Sep 25Sep 29
Streamflow, past 7 days, latest 77 cfs, peak 100 cfs on Sep 23, 2 PM (60 of 669 readings, evenly spaced, first and latest included)
TimeFlow (cfs)
Sep 22, 11 AM79
Sep 22, 1 PM79
Sep 22, 4 PM79
Sep 22, 7 PM76
Sep 22, 10 PM76
Sep 23, 1 AM74
Sep 23, 4 AM74
Sep 23, 6 AM77
Sep 23, 9 AM87
Sep 23, 12 PM96
Sep 23, 3 PM98
Sep 23, 6 PM96
Sep 23, 9 PM96
Sep 23, 11 PM93
Sep 24, 2 AM91
Sep 24, 5 AM90
Sep 24, 8 AM88
Sep 24, 11 AM88
Sep 24, 2 PM88
Sep 24, 4 PM88
Sep 24, 7 PM88
Sep 24, 10 PM88
Sep 25, 1 AM87
Sep 25, 4 AM88
Sep 25, 7 AM88
Sep 25, 9 AM90
Sep 25, 12 PM90
Sep 25, 3 PM90
Sep 25, 6 PM88
Sep 25, 9 PM87
Sep 26, 12 AM87
Sep 26, 2 AM85
Sep 26, 5 AM85
Sep 26, 8 AM85
Sep 26, 11 AM85
Sep 26, 2 PM83
Sep 26, 5 PM83
Sep 26, 7 PM82
Sep 26, 10 PM82
Sep 27, 1 AM80
Sep 27, 4 AM80
Sep 27, 7 AM80
Sep 27, 10 AM80
Sep 27, 12 PM80
Sep 27, 3 PM80
Sep 27, 6 PM80
Sep 27, 9 PM79
Sep 28, 12 AM79
Sep 28, 2 AM79
Sep 28, 5 AM79
Sep 28, 8 AM79
Sep 28, 11 AM79
Sep 28, 2 PM79
Sep 28, 5 PM79
Sep 28, 7 PM77
Sep 28, 10 PM77
Sep 29, 1 AM77
Sep 29, 4 AM77
Sep 29, 7 AM77
Sep 29, 10 AM77

15-minute readings · USGS · provisional

NWS flood stages

Major flood39.00 ftModerate flood36.00 ftMinor flood30.00 ftNear flood25.00 ft0.00 ftnow · 2.32 ft

now = USGS gage height · 10:00 AM CDT

Forecasts are issued routinely year-round.

Historic crests

  • Aug 3, 186953.00 ft
  • Jul 1, 190049.00 ft
  • Aug 3, 197845.25 ft160,000 cfs
  • Jun 22, 199745.12 ft116,000 cfs
  • Jul 3, 200243.75 ft107,000 cfs
  • Jul 3, 193242.10 ft
  • Dec 21, 199138.00 ft79,300 cfs
  • Jul 17, 202636.75 ft

What floods at each stage

National Weather Service impact statements for this gauge, lowest stage first.

15.00 ftThe Guadalupe river is dangerous to swimmers, tubers and canoeists above Guadalupe River State Park to Canyon Lake, except with commercial outfitters.›

The Guadalupe river is dangerous to swimmers, tubers and canoeists above Guadalupe River State Park to Canyon Lake, except with commercial outfitters.

19.00 ftTurbulent flow makes swimming and tubing dangerous above Guadalupe River State Park to Canyon Lake.›

Turbulent flow makes swimming and tubing dangerous above Guadalupe River State Park to Canyon Lake.

23.00 ftTurbulent flow makes swimming and tubing dangerous above Guadalupe River State Park to Canyon Lake. Lowest areas of Guadalupe River State Park are flooded.›

Turbulent flow makes swimming and tubing dangerous above Guadalupe River State Park to Canyon Lake. Lowest areas of Guadalupe River State Park are flooded.

25.00 ftFlow extends over lowest sections of banks. Turbulent flow is very dangerous to tubers and swimmers above Guadalupe River State Park except with commercial outfitters.›

Flow extends over lowest sections of banks. Turbulent flow is very dangerous to tubers and swimmers above Guadalupe River State Park except with commercial outfitters.

28.00 ftMinor lowland flooding extends into lowest areas of Guadalupe River State Park. Swimming, tubing, and canoeing above Guadalupe River State Park to Canyon Lake is dangerous except with commercial outfitters.›

Minor lowland flooding extends into lowest areas of Guadalupe River State Park. Swimming, tubing, and canoeing above Guadalupe River State Park to Canyon Lake is dangerous except with commercial outfitters.

30.00 ftMinor lowland flooding rises into the flood plain at Guadalupe River State Park damaging tables, trash cans and camping equipment. Swimming and any recreation in the river is extremely dangerous with turbulence, trees and trash in the water.›

Minor lowland flooding rises into the flood plain at Guadalupe River State Park damaging tables, trash cans and camping equipment. Swimming and any recreation in the river is extremely dangerous with turbulence, trees and trash in the water.

36.00 ftModerate lowland flooding reaches secondary roads and low bridges in the flood plain. Recreationists should evacuate the river banks because of dangerous turbulent flow. Low sections of Guadalupe River State Park have tables, trash cans, and equipment damaged. Lowest homes in Kendall County to Canyon Lake flood.›

Moderate lowland flooding reaches secondary roads and low bridges in the flood plain. Recreationists should evacuate the river banks because of dangerous turbulent flow. Low sections of Guadalupe River State Park have tables, trash cans, and equipment damaged. Lowest homes in Kendall County to Canyon Lake flood.

39.00 ftMajor flooding reaches secondary roads and low bridges near the river making them extremely dangerous to motorists. The lowest residences flood from Kendall County to Canyon Lake. Picnic and camping facilities in Guadalupe River State Park upstream are severely flooded. Roads, marinas, and many parks and facilities at Canyon Lake flood.›

Major flooding reaches secondary roads and low bridges near the river making them extremely dangerous to motorists. The lowest residences flood from Kendall County to Canyon Lake. Picnic and camping facilities in Guadalupe River State Park upstream are severely flooded. Roads, marinas, and many parks and facilities at Canyon Lake flood.

43.00 ftMajor flooding reaches several lowest homes below Comfort to Canyon Lake. Numerous roads and bridges are flooded and dangerous. Lowest facilities in Guadalupe State Park are severely damaged. Parks, docks and roads around Canyon Lake are flooded and damaged.›

Major flooding reaches several lowest homes below Comfort to Canyon Lake. Numerous roads and bridges are flooded and dangerous. Lowest facilities in Guadalupe State Park are severely damaged. Parks, docks and roads around Canyon Lake are flooded and damaged.

45.00 ftMajor flooding rises to the USGS gauge house at FM 311. Several homes are cut off above Spring Branch and two homes flood. Approaches to the Highway 281 bridge flood closing the highway. Picnic facilities at Guadalupe River State Park are flooded. Parks and facilities downstream at Canyon Lake are inundated.›

Major flooding rises to the USGS gauge house at FM 311. Several homes are cut off above Spring Branch and two homes flood. Approaches to the Highway 281 bridge flood closing the highway. Picnic facilities at Guadalupe River State Park are flooded. Parks and facilities downstream at Canyon Lake are inundated.