Lake Seminole lake and shoreline

About Lake Seminole

FloridaGeorgia

Lake Seminole is managed by U.S. Army Corps of Engineers. Lake Insights displays its latest available elevation from U.S. Geological Survey (USGS). Published reference elevations are listed below.

Lake Status

1.08 feet below full pool

−1.08 ft vs full pool

7-day trend
Rising
7-day change
Up 0.18 ft
30-day change
Up 0.01 ft
Last updated
Today

Lake Seminole is currently 1.08 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

Seminole County, GA · surrounding county from lake location

Abnormally Dry

The surrounding county is abnormally dry, which is not official drought.

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

No

Current conditions are classified as Abnormally Dry (D0), which is not considered official drought.

U.S. Drought Monitor · map date Sep 15, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Seminole County, GA

Key Facts

Waterbody / project type

Reservoir

Official purposes

Recreation · OtherSource: National Inventory of Dams

Full pool

78.00 ft

Datum

NGVD29 · MSL

Current-level source

U.S. Geological Survey (USGS)

Project / NID identifier

Lake Seminole Dam · FL00429

Dam / watershed (NID design values)

Static design values from a confidently matched National Inventory of Dams record — not live gage readings.

Normal storage
3,000 acre-ft
Max storage
4,800 acre-ft
Surface area at normal pool
320 acres
Spillway capacity (design)
4,000 cfs
Dam structure
Earth · 15 ft high · completed 1949
Hazard classification
Low
Safety & inspection
Not Rated

National Inventory of Dams · matched record: Lake Seminole Dam (FL00429)

How this lake is operated

  • Documented project purposes (National Inventory of Dams): Recreation, Other.

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
78.00 ft

Published reference elevation. Not necessarily a fixed year-round target for every project.

Current data source

Managing authority: U.S. Army Corps of Engineers

Observation source used by Lake Insights: U.S. Geological Survey (USGS)

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 U.S. Geological Survey (USGS), 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.

How we source lake data · Glossary

Common questions about Lake Seminole

Who manages Lake Seminole?
Lake Seminole 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 Lake Seminole?
The published full-pool elevation for Lake Seminole is 78.00 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 Lake Seminole?
Lake Insights displays the latest available elevation for Lake Seminole from U.S. Geological Survey (USGS). 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 Lake Seminole?
Elevations for Lake Seminole are referenced to NGVD29 (MSL).
What are the documented purposes of Lake Seminole?
Documented purposes for Lake Seminole (National Inventory of Dams): Recreation, Other.

What to explore next

Ads and analytics are not optional. You can still choose optional functional cookies. Essential cookies stay on so the site works.

  • Essential

    Required for sign-in, security, and core site features. These cannot be turned off because the service would not work without them.

  • Functional & preferences

    Remembers optional choices such as display preferences beyond what essential cookies require. Most preference storage today is essential for signed-in features.