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Savannah River At Lake Thurmond (CHDS1)

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NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
Flood Stage: 335 Feet
Latest Stage: 330.06
Current Warnings/Statements/Advisories:Dense Fog Advisory
at Lake Thurmond
Pool (ft)Observed: 330.17 ft at 8:00AM Apr 23, 2024Observed: 330.17 ft at 7:00AM Apr 24, 2024Observed: 330.15 ft at 8:00AM Apr 24, 2024Highest Observation: 330.18 ft at 7:00AM Apr 25, 2024Observed: 330.16 ft at 8:00AM Apr 25, 2024Observed: 330.12 ft at 7:00AM Apr 26, 2024Observed: 330.11 ft at 8:00AM Apr 26, 2024Observed: 330.1 ft at 7:00AM Apr 27, 2024Observed: 330.09 ft at 8:00AM Apr 27, 2024Observed: 330.08 ft at 7:00AM Apr 28, 2024Observed: 330.07 ft at 8:00AM Apr 28, 2024Observed: 330.04 ft at 7:00AM Apr 29, 2024Observed: 330.06 ft at 8:00AM Apr 29, 2024Observed: 330.06 ft at 7:00AM Apr 30, 2024Observed: 330.06 ft at 7:00AM May 01, 2024USGS--Water Resources of the United StatesCHDS1(plotting HPIRZ) Graph Created (8:01AM May 2, 2024)ObservedLatest observed value: 330.06 ft at 7:00 AM EDT 1-May-2024. Flood Stage is 335 ft
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts

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340
Some low lying bridges begin to get inundated around Lloyds Creek and the Little River in South Carolina.
338
Roads near Lake Thurmond become flooded with 2 feet of water with some areas being cut off from the main land. Some structures near the lake shore flood.
336
Some roads in low areas and structures close to the shore of Lake Thurmond are threatened by flood water.
335
Flood stage - boat ramps and structures right on the shore line begin to flood. Locations downstream of Clarks Hill Dam are also subject to flooding.
334
Water approaches low lying areas along the shore of Lake Thurmond.
Flood Categories (in feet)
Major Flood Stage: 338
Moderate Flood Stage: 336
Flood Stage: 335
Action Stage: 334
Low Stage (in feet): 0

Historic Crests
(1) 336.46 ft on 04/11/1964
(2) 336.31 ft on 04/10/1964
(3) 336.03 ft on 01/01/2016
(4) 335.73 ft on 04/09/1964
(5) 335.45 ft on 02/07/1998
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 336.03 ft on 01/01/2016
(2) 335.45 ft on 02/07/1998
(3) 335.37 ft on 02/06/1998
(4) 335.28 ft on 03/07/1971
(5) 335.41 ft on 05/06/1964
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 316.90 ft on 12/15/2007
(2) 319.13 ft on 10/27/2007

Observed and Forecast Stages

Observed Data:
Date (UTC)
Stage
Flow
05/01 11:00
330.06 ft
-999 kcfs
04/30 11:00
330.06 ft
-999 kcfs
04/29 12:00
330.06 ft
-999 kcfs
04/29 11:00
330.04 ft
-999 kcfs
04/28 12:00
330.07 ft
-999 kcfs
04/28 11:00
330.08 ft
-999 kcfs
04/27 12:00
330.09 ft
-999 kcfs
04/27 11:00
330.1 ft
-999 kcfs
04/26 12:00
330.11 ft
-999 kcfs
04/26 11:00
330.12 ft
-999 kcfs
04/25 12:00
330.16 ft
-999 kcfs
04/25 11:00
330.18 ft
-999 kcfs
04/24 12:00
330.15 ft
-999 kcfs
04/24 11:00
330.17 ft
-999 kcfs
04/23 12:00
330.17 ft
-999 kcfs
Forecast Data:
There is no forecast data.

Probabilistic Flow Forecast for Lake Thurmond

Probabilistic Volume Forecast for Lake Thurmond

Flow Exceedance Forecast for Lake Thurmond

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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Charleston Weather Forecast Office
5777 South Aviation Avenue
North Charleston, SC 29406
(843) 747-5860
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Page last modified: 23-Jun-2020 5:17 PM
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