Clarks Hill is managed by U.S. Army Corps of Engineers. Lake Insights displays its latest available elevation from NOAA / National Weather Service — Advanced Hydrologic Prediction Service. Published reference elevations are listed below.
Lake Status
9 feet below full pool
−9.00 ft vs full pool
- 7-day trend
- Rising
- 7-day change
- Up 0.17 ft
- 30-day change
- Down 1.12 ft
- Last updated
- 10 hours ago
Clarks Hill is currently 9 feet below full pool and has risen slightly over the past week. Recent conditions indicate improving reservoir levels, although the lake remains below its normal operating elevation.
Watershed drought conditions
Lincoln County, GA · surrounding county from lake location
Moderate Drought
Moderate drought is affecting the watershed.
Severity
Weekly trend
Stable
Compared with last week
Official drought
Yes
98.6% of the watershed is currently classified as official drought (D1+).
Expected impacts
- Stream inflows may run below normal
- Lake levels can decline faster between rain events
- Vegetation stress may increase over time
U.S. Drought Monitor · map date Sep 22, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Lincoln County, GA
Key Facts
Managing authority
Waterbody / project type
Official purposes
Full pool
Flood stage
Datum
Current-level source
Project / NID identifier
Dam / watershed (NID design values)
Static design values from a confidently matched National Inventory of Dams record — not live gage readings.
- Normal storage
- 47 acre-ft
- Max storage
- 154 acre-ft
- Surface area at normal pool
- 14 acres
- Dam structure
- Earth · 13 ft high
- Hazard classification
- Low
- Safety & inspection
- Not Rated · last inspection Aug 10, 2016
National Inventory of Dams · matched record: Clarks Millpond Dam (GA01685)
How this lake is operated
- Documented project purposes (National Inventory of Dams): Recreation.
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
- 330.00 ft
- Flood stage
- 335.00 ft
Published reference elevation. Not necessarily a fixed year-round target for every project.
Flood stage is not interchangeable with flood pool.
Current data source
Managing authority: U.S. Army Corps of Engineers
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 Clarks Hill
- Who manages Clarks Hill?
- Clarks Hill is managed by U.S. Army Corps of Engineers. Lake Insights reports published gauge readings; it does not operate the waterbody.
- What is full pool at Clarks Hill?
- The published full-pool elevation for Clarks Hill is 330.00 ft (NGVD29). Full pool is a published reference elevation — not a prediction of today’s level.
- Where does Lake Insights get the level reading for Clarks Hill?
- Lake Insights displays the latest available elevation for Clarks Hill from NOAA / National Weather Service — Advanced Hydrologic Prediction Service. The managing authority (U.S. Army Corps of Engineers) may differ from the agency that publishes the observation used on this page.
- What datum is used for Clarks Hill?
- Elevations for Clarks Hill are referenced to NGVD29 (MSL).
- What are the documented purposes of Clarks Hill?
- Documented purposes for Clarks Hill (National Inventory of Dams): Recreation.