Lake Tobesofkee
Bibb County, Georgia1,756 acresView mapDirections
Nutrients and algae sit mid-range for this region.
- Eutrophic
- #1 of 1 in the county
- 40 ft max depth
- Public access
Lake Tobesofkee in Bibb County, Georgia has a water quality grade of C (Fair). Water clarity: 4.7 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 13 µg/L. Surface area: 1756 acres.
- Clarity
- 4.7 ft
- Max depth
- ~40 ft est.
- Area
- 1,756 acres
- Type
- Eutrophic
- Phosphorus
- 30 µg/L
- Chlorophyll-a
- 13 µg/L
- Public access
- Yes
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Watch Lake Tobesofkee’s letter
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Lake Tobesofkee is a 1,756-acre productive, nutrient-rich eutrophic lake in Bibb County, Georgia with an estimated average depth of about 40 feet. Water quality is graded C based on 2 sampling years through 2022. 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 2022-05-09. Grade methodology: LakeQuality methodology.
What Lake Tobesofkee is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
- Big water1,756 acres
Swimming Safety
Grade onlyModerate
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: C (Fair)
Murky, only visible to about 4.7 ft. Phosphorus 30 µg/L. Chlorophyll-a 13 µg/L. TSI 55. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.7 ft | Not graded |
| Phosphorus | 30 µg/L | Fair |
| Chlorophyll-a (Algae) | 13 µg/L | Fair |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~40 ft est. |
| Average Depth | ~32 ft est. |
| Surface Area | 1,756 acres |
| Public Access | Yes |
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 Tobesofkee.
Lake Size & Watershed
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
- Arrowhead ParkPublic
- Claystone ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Lake Tobesofkee
Reservoir Info (USACE NID)
Lake Tobesofkee is a man-made reservoir impounded by the Lake Tobesofkee Dam (completed 1965), built primarily for flood risk reduction on the Tobesofkee Creek; earth-type dam, 54 ft tall and 860 ft long.
- Surface area
- 1,756 ac
- Normal storage
- 24,880 ac-ft
- Max storage
- 43,054 ac-ft
- Drainage area
- 115,520 sq mi
- Hazard class
- High
- Owner
- Bibb County Board of Commissioners
Source: USACE National Inventory of Dams, NID ID GA00201 · Operator website
County Ranking
Ranked #1 of 1 lakes in Bibb County
Nearby Lakes in Bibb County
Frequently asked questions about Lake Tobesofkee
Where is Lake Tobesofkee?
- Lake Tobesofkee is a lake in Bibb County, Georgia. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Tobesofkee?
- Lake Tobesofkee in Bibb County, Georgia has a water quality grade of C (Fair). Water clarity: 4.7 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 13 µg/L. Surface area: 1756 acres.
Is Lake Tobesofkee safe to swim in?
- The C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
How deep is Lake Tobesofkee?
- No published bathymetric survey covers Lake Tobesofkee, 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 1756 acres.
Are there boat ramps on Lake Tobesofkee?
- Lake Tobesofkee has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Arrowhead Park, Claystone Park. Public access is listed as yes.
Explore Lake Tobesofkee across LakeQuality
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Other Grade C Lakes in Georgia
Eutrophic Lakes in Georgia
Where this data comes from
308 measurements from 2 monitoring stations, 2012–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Georgia DNR Environmental Protection Division
21GAEPD_WQX308 samples · 2012–2022
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- Turbidity by Nephelometry
Monitoring station identifiers (2)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated 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