Lake Greenwood is managed by Greenwood County, South Carolina. Lake Insights displays its latest available elevation from NOAA / National Weather Service — Advanced Hydrologic Prediction Service. Published reference elevations are listed below.
Lake Status
At full pool
- 7-day trend
- Falling
- 7-day change
- Down 0.11 ft
- 30-day change
- Down 0.01 ft
- Last updated
- 1 hour ago
Lake Greenwood is currently near full pool and has fallen slightly over the past week. Levels have eased slightly over the past week while staying near full pool.
Watershed drought conditions
Greenwood County, SC · surrounding county from lake location
Abnormally Dry
The surrounding county is abnormally dry, which is not official drought.
Severity
Weekly trend
Improving
Compared with last week
Official drought
Yes
30.9% of the watershed is currently classified as official drought (D1+).
U.S. Drought Monitor · map date Sep 15, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Greenwood County, SC
Key Facts
Managing authority
Waterbody / project type
Full pool
Current-level source
Why the level can change
General factors for reservoirs like this
These are common influences for this type of lake. They do not identify the cause of a specific current change unless an operator update confirms it.
Rainfall & inflows
Rain and upstream river inflows can raise reservoir levels, especially after storms.
Downstream releases
When an operator releases water through a dam, reservoir storage can fall and downstream flows can rise.
Flood-risk operations
Some projects store or release water under flood-risk rules when conditions require it.
Water supply
Some reservoirs support municipal, industrial, irrigation, or regional water-supply needs.
Hydropower
Hydropower projects may pass water through turbines when generating electricity.
Seasonal weather
Dry periods, heat, evaporation, and seasonal rainfall patterns can affect storage over weeks and months.
Published reference elevations
- Full pool
- 439.00 ft
Published reference elevation. Not necessarily a fixed year-round target for every project.
Current data source
Managing authority: Greenwood County, South Carolina
Observation source used by Lake Insights: NOAA / National Weather Service — Advanced Hydrologic Prediction Service
Who manages the lake and who publishes the reading Lake Insights displays can differ. Lake Insights does not invent a source label from the managing authority alone.
General education
Shared background — not lake-specific facts
Lake Insights aggregates water level information from authoritative public sources such as the U.S. Army Corps of Engineers, NOAA, TVA, Bureau of Reclamation, power utilities, and other official lake operators. We preserve historical observations, calculate trends, and present lake conditions in a consistent format. For NOAA / National Weather Service — Advanced Hydrologic Prediction Service, we link to the official source whenever it is available. Lake Insights does not predict future lake levels unless an official forecast has been published by the managing authority.
Common questions about Lake Greenwood
- Who manages Lake Greenwood?
- Lake Greenwood is managed by Greenwood County, South Carolina. Lake Insights reports published gauge readings; it does not operate the waterbody.
- What is full pool at Lake Greenwood?
- The published full-pool elevation for Lake Greenwood is 439.00 ft. Full pool is a published reference elevation — not a prediction of today’s level.
- Where does Lake Insights get the level reading for Lake Greenwood?
- Lake Insights displays the latest available elevation for Lake Greenwood from NOAA / National Weather Service — Advanced Hydrologic Prediction Service. The managing authority (Greenwood County, South Carolina) may differ from the agency that publishes the observation used on this page.