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LakeQuality

Clarks Hill Lake

Lincoln County, GeorgiaView mapDirections

Georgia EPD publishes the water-quality measurements for Clarks Hill Lake. Here is what has been measured.

Clarity
6.1 ft
Typical for Georgia
Secchi · sampled 2025
Phosphorus
20 µg/L
Typical for Georgia
Measured by Georgia EPD
Chlorophyll-a
11 µg/L
Typical for Georgia
Measured by Georgia EPD
Max depth
~56 ft est.
GLOBathy model
Type
Eutrophic
Trophic class
Trend
Worsening
13 years of samples
  • Eutrophic
  • 56 ft max depth
  • Public access

Clarks Hill Lake in Lincoln County, Georgia has water-quality measurements published by Georgia EPD, shown here as reported. Water clarity: 6.1 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 11 µg/L.

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Clarks Hill Lake is a productive, nutrient-rich eutrophic lake in Lincoln County, Georgia with an estimated average depth of about 56 feet. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 22 public boat landings. Compared to the 1 other monitored lakes in Lincoln County, Clarks Hill Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, Georgia EPD, last sampled 2025-10-01. Methodology: how these readings are compared.

What Clarks Hill Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch22 documented ramps
  • Camping1 public campground nearby

Swimming conditions

Readings only

Moderate algae

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 Clarks Hill Lake 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.

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Water quality measurements for Clarks Hill Lake

These are the measurements Georgia EPD publishes for Clarks Hill Lake, 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 6.1 ft. Phosphorus 20 µg/L. Chlorophyll-a 11 µg/L. TSI 51.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)6.1ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus20µg/LFair
GoodFairPoor
Chlorophyll-a (algae)11µg/LFair
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.51Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Clarks Hill Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

~56 ft est.

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 Clarks Hill Lake.

Lake Size & Watershed

Watershed (drainage) area

4,613 sq mi

HydroLAKES / HydroSHEDS

Surface area

13,628 acres

HydroLAKES / HydroSHEDS

Shoreline

139.2 mi

HydroLAKES / HydroSHEDS

Elevation

338 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

22
Boat Landings
Yes
Public Access
1
Campgrounds
  • Chamberlain Ferry RampPublic
  • Elijah Clark State Park (Campground 1)Public
  • Elijah Clark State Park (Campground 2)Public
  • Elijah Clark State Park CabinsPublic
  • Elijah Clark State Park Day UsePublic
  • Murry Creek CampgroundPublic

Showing 6 of 22 documented landings from the USGS National Boat Ramps inventory.

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Public campgrounds near Clarks Hill Lake

  • Elijah Clark State Park0.6 km

Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes

Stays via Stay22

Stays near Clarks Hill Lake

Compare lakeside cabins, hotels, and vacation rentals near Clarks Hill Lake in Lincoln 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.

Top-rated places to stay near Clarks Hill Lake

Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a trip? Cabins and lodging at Clarks Hill Lake → · more Georgia lake trips

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Fishing Clarks Hill Lake

Based on 13 years of monitoring (2013–2025).

  • Water clarity

    Stable

    12 years

  • Phosphorus

    Stable

    +0.3 µg/L/yr6 years

  • Chlorophyll-a

    Worsening

    +0.63 µg/L/yr13 years

See year-by-year chart →

Nearby Lakes in Lincoln County

Frequently asked questions about Clarks Hill Lake

Where is Clarks Hill Lake?

Clarks Hill Lake is a lake in Lincoln County, Georgia. Its water-quality measurements are published by Georgia EPD and shown on this page as reported.

What is the water quality of Clarks Hill Lake?

Clarks Hill Lake in Lincoln County, Georgia has water-quality measurements published by Georgia EPD, shown here as reported. Water clarity: 6.1 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 11 µg/L.

Measurements on this page ↑

Is Clarks Hill Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Clarks Hill Lake?

No published bathymetric survey covers Clarks Hill Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 56 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

Are there boat ramps on Clarks Hill Lake?

Clarks Hill Lake has 22 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Chamberlain Ferry Ramp, Elijah Clark State Park (Campground 1), Elijah Clark State Park (Campground 2), Elijah Clark State Park Cabins, among others. Public access is listed as yes.

Access on this page ↑

Can I fish at Clarks Hill Lake?

Clarks Hill Lake has 22 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.

Access on this page ↑

Are there campgrounds on Clarks Hill Lake?

Clarks Hill Lake has 1 public campground from USGS The National Map within 5 km, including Elijah Clark State Park. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.

Access on this page ↑

Where this data comes from

226 measurements from 1 monitoring station, 2013–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Georgia DNR Environmental Protection Division21GAEPD_WQX226 samples · 2013–2025

Analytical methods

  • Phosphorus by Colorimetry
  • 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
  • Turbidity by Nephelometry
Monitoring station identifiers (1)

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

Public campgrounds from USGS The National Map Structures, within about 3 miles