Lake Jackson
Jasper County, Georgia4,500 acresView mapDirections
Georgia EPD publishes the water-quality measurements for Lake Jackson. Here is what has been measured.
- Eutrophic
- 40 ft max depth
- Public access
Lake Jackson in Jasper County, Georgia has water-quality measurements published by Georgia EPD, shown here as reported. Water clarity: 4.6 ft visibility. Phosphorus: 24.5 µg/L. Chlorophyll-a (algae): 17 µg/L. Surface area: 4500 acres.
Lake Jackson is a 4,500-acre productive, nutrient-rich eutrophic lake in Jasper County, Georgia with an estimated average depth of about 40 feet. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, Georgia EPD, last sampled 2025-10-08. Methodology: how these readings are compared.
What Lake Jackson is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
- Big water4,500 acres
Swimming conditions
Readings onlyAlgae risk
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Jackson is safe to swim in today is a call for the Georgia Environmental Protection Division and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Jackson
These are the measurements Georgia EPD publishes for Lake Jackson, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4.6 ft. Phosphorus 24.5 µg/L. Chlorophyll-a 17 µg/L. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 24.5µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 17µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Jackson
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~40 ft est.
Surface area
4,500 acres
Public access
Yes
Listed by Georgia EPD
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Georgia has not published bathymetry for Lake Jackson.
Lake Size & Watershed
Watershed (drainage) area
1,409 sq mi
HydroLAKES / HydroSHEDS
Shoreline
36.5 mi
HydroLAKES / HydroSHEDS
Elevation
538 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Recreation & Access
- LLoyd Shoals DamPublic
- Lloyd Shoals ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Jackson
Compare lakeside cabins, hotels, and vacation rentals near Lake Jackson in Jasper County, Georgia — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Lake Jackson are listed below.
Top-rated places to stay near Lake Jackson
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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Fishing Lake Jackson
Reservoir Info (USACE NID)
Lake Jackson is a man-made reservoir impounded by the Lloyd Shoals (completed 1911), built primarily for hydroelectric on the Ocmulgee; gravity-type dam, 105 ft tall and 1,600 ft long.
- Surface area
- 4,500 ac
- Normal storage
- 97,000 ac-ft
- Max storage
- 107,000 ac-ft
- Drainage area
- 1,400 sq mi
- Hazard class
- High
- Owner
- Georgia Power Company
Source: USACE National Inventory of Dams, NID ID GA00873 · Operator website
Nearby Lakes in Jasper County
Frequently asked questions about Lake Jackson
Where is Lake Jackson?
- Lake Jackson is a lake in Jasper County, Georgia. Its water-quality measurements are published by Georgia EPD and shown on this page as reported.
What is the water quality of Lake Jackson?
- Lake Jackson in Jasper County, Georgia has water-quality measurements published by Georgia EPD, shown here as reported. Water clarity: 4.6 ft visibility. Phosphorus: 24.5 µg/L. Chlorophyll-a (algae): 17 µg/L. Surface area: 4500 acres.
Is Lake Jackson safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Jackson?
- No published bathymetric survey covers Lake Jackson, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 40 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 4500 acres.
Are there boat ramps on Lake Jackson?
- Lake Jackson has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include LLoyd Shoals Dam, Lloyd Shoals Park. Public access is listed as yes.
Can I fish at Lake Jackson?
- Lake Jackson has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Georgia's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Jackson across LakeQuality
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Where this data comes from
523 measurements from 2 monitoring stations, 2012–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Georgia DNR Environmental Protection Division
21GAEPD_WQX523 samples · 2012–2025
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- Turbidity by Nephelometry
Monitoring station identifiers (2)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory