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Level of the Lake

Sandy Creek near Kingsland

No flooding

USGS 08152000 · NWS KNLT2 · Llano County

7.0cfs

LCRA · 5:25 PM CST

Gage height

5.55 ft

Share of river inflow

0%

Streamflow · past 7 days

11.625.439.3Nov 7Nov 11Nov 14
Streamflow, past 7 days, latest 0.3 cfs, peak 40 cfs on Nov 10, 6 PM (60 of 404 readings, evenly spaced, first and latest included)
TimeFlow (cfs)
Nov 7, 5 PM0.0
Nov 7, 8 PM0.0
Nov 7, 11 PM0.0
Nov 8, 1 AM0.0
Nov 8, 4 AM0.0
Nov 8, 7 AM0.0
Nov 8, 10 AM0.1
Nov 8, 1 PM0.1
Nov 8, 4 PM0.1
Nov 8, 6 PM0.1
Nov 8, 9 PM0.1
Nov 9, 12 AM0.1
Nov 9, 3 AM0.1
Nov 9, 6 AM0.1
Nov 9, 9 AM0.2
Nov 9, 12 PM0.2
Nov 9, 2 PM0.3
Nov 9, 5 PM0.6
Nov 9, 8 PM1.3
Nov 9, 11 PM3.0
Nov 10, 2 AM5.2
Nov 10, 5 AM8.2
Nov 10, 8 AM17
Nov 10, 10 AM29
Nov 10, 1 PM36
Nov 10, 4 PM38
Nov 10, 7 PM40
Nov 10, 9 PM39
Nov 11, 12 AM37
Nov 11, 3 AM32
Nov 11, 6 AM30
Nov 11, 9 AM27
Nov 11, 12 PM24
Nov 11, 2 PM23
Nov 11, 5 PM20
Nov 11, 8 PM17
Nov 11, 11 PM15
Nov 12, 2 AM15
Nov 12, 5 AM13
Nov 12, 7 AM12
Nov 12, 10 AM9.7
Nov 12, 1 PM7.5
Nov 12, 4 PM6.5
Nov 12, 7 PM5.2
Nov 12, 10 PM4.2
Nov 13, 1 AM3.8
Nov 13, 3 AM3.2
Nov 13, 6 AM2.9
Nov 13, 9 AM2.7
Nov 13, 12 PM2.4
Nov 13, 3 PM2.0
Nov 13, 6 PM1.5
Nov 13, 9 PM1.3
Nov 13, 11 PM0.9
Nov 14, 2 AM0.9
Nov 14, 5 AM0.8
Nov 14, 8 AM0.7
Nov 14, 11 AM0.6
Nov 14, 2 PM0.4
Nov 14, 5 PM0.3

15-minute readings · USGS · provisional

NWS flood stages

Major flood20.00 ftModerate flood14.00 ftMinor flood12.00 ftNear flood8.00 ft0.00 ftnow · 5.55 ft

now = USGS gage height · 5:00 PM CST

Forecasts are issued routinely year-round.

Historic crests

  • Sep 11, 195234.20 ft163,000 cfs
  • May 30, 199531.50 ft127,400 cfs
  • Oct 16, 201819.88 ft46,370 cfs
  • Dec 20, 199117.62 ft39,500 cfs
  • Jun 27, 200715.20 ft31,700 cfs
  • May 31, 201613.01 ft16,240 cfs
  • May 25, 201511.50 ft10,366 cfs

What floods at each stage

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

8.00 ftFlow exceeds lowest areas of banks›

Flow exceeds lowest areas of banks

10.00 ftFlow exceeds lowest banks. Near the usgs 1:2 year flood level›

Flow exceeds lowest banks. Near the usgs 1:2 year flood level

12.00 ftLowland flooding will threaten lowest boats at sandy harbor and sunrise beach at the lower end of sandy creek.›

Lowland flooding will threaten lowest boats at sandy harbor and sunrise beach at the lower end of sandy creek.

14.00 ftModerate lowland flooding will extends well into the flood plain damaging docks, boats and property in low areas of the flood plain downstream in Kingsland. Flow exceeds USGS 1:5 year flood level.›

Moderate lowland flooding will extends well into the flood plain damaging docks, boats and property in low areas of the flood plain downstream in Kingsland. Flow exceeds USGS 1:5 year flood level.

17.00 ftFlow will be well into the flood plain above Highway 71 to Lake LBJ. Residents of flood prone areas in Sandy Harbor should monitor NOAA Weather Radio for developing heavy rain and flood conditions. Flow will threaten lowest homes in Sandy Harbor. Boats and docks will be severely flooded and damaged. Flow exceeds USGS 1:10 year flood level.›

Flow will be well into the flood plain above Highway 71 to Lake LBJ. Residents of flood prone areas in Sandy Harbor should monitor NOAA Weather Radio for developing heavy rain and flood conditions. Flow will threaten lowest homes in Sandy Harbor. Boats and docks will be severely flooded and damaged. Flow exceeds USGS 1:10 year flood level.

20.00 ftMajor flooding will approach the lowest homes in Sandy Harbor. Depending on additional runoff down Walnut Creek, boats, docks and facilities along the Lower Sandy Creek banks in Sandy Harbor and Sunrise Beach will flood severely. Flow exceeds USGS 1:25 year flood level.›

Major flooding will approach the lowest homes in Sandy Harbor. Depending on additional runoff down Walnut Creek, boats, docks and facilities along the Lower Sandy Creek banks in Sandy Harbor and Sunrise Beach will flood severely. Flow exceeds USGS 1:25 year flood level.

24.00 ftLowest homes below Highway 71 in Sandy Harbor and Sunrise Beach will flood. Residents should prepare to evacuate as emergency officials assess the threat. Boats and docks will be severely damaged. Near the USGS 1:100 year flood level.›

Lowest homes below Highway 71 in Sandy Harbor and Sunrise Beach will flood. Residents should prepare to evacuate as emergency officials assess the threat. Boats and docks will be severely damaged. Near the USGS 1:100 year flood level.

27.00 ftFlow will be life threatening below Highway 71 in Sandy Harbor and Sunrise Beach. Lowest homes will have several feet of water through them. Docks and boats will be severely damaged. Flow exceeds the USGS 1:100 year flood level.›

Flow will be life threatening below Highway 71 in Sandy Harbor and Sunrise Beach. Lowest homes will have several feet of water through them. Docks and boats will be severely damaged. Flow exceeds the USGS 1:100 year flood level.

30.00 ftLife threatening flow down Sandy and Walnut Creeks will put water to the roofs of homes in Sandy Harbor in minutes. Destruction of boats, jet skis, docks, marinas and any facilities in the flood plain in Sandy Harbor and Sunrise Beach will be disastrous. Roads and bridges near the river will be extremely dangerous.›

Life threatening flow down Sandy and Walnut Creeks will put water to the roofs of homes in Sandy Harbor in minutes. Destruction of boats, jet skis, docks, marinas and any facilities in the flood plain in Sandy Harbor and Sunrise Beach will be disastrous. Roads and bridges near the river will be extremely dangerous.