Chattahoochee River Lake
Troup County, GeorgiaView mapDirections
Georgia EPD publishes the water-quality measurements for Chattahoochee River Lake. Here is what has been measured.
- Eutrophic
- Impaired · Nutrients (phosphorus, nitrogen)
- Public access
Chattahoochee River Lake in Troup County, Georgia has water-quality measurements published by Georgia EPD, shown here as reported. Phosphorus: 30 µg/L.
Chattahoochee River Lake is a productive, nutrient-rich eutrophic lake in Troup County, Georgia. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 5 public boat landings. Compared to the 3 other monitored lakes in Troup County, Chattahoochee River Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Georgia EPD, last sampled 2024-01-24. Methodology: how these readings are compared.
What Chattahoochee River Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch5 documented ramps
Swimming conditions
Readings onlyRecreation use not supported
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. Chattahoochee River Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), pCBs. Check local advisories before you swim.
Whether Chattahoochee River 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.
Water quality measurements for Chattahoochee River Lake
These are the measurements Georgia EPD publishes for Chattahoochee River Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 30 µg/L. TSI 53.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 30µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Chattahoochee River Lake
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Clark AccessPublic
- GA 219 AccessPublic
- Liberty Hill AccessPublic
- Ringer Camping AreaPublic
- Sunny Point AccessPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Chattahoochee River Lake
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Fishing Chattahoochee River Lake
Water Quality Trend: Worsening
Based on 14 years of monitoring (2012–2025).
Water clarity
Stable14 years
Phosphorus
Worsening+1.67 µg/L/yr6 years
Chlorophyll-a
Worsening+1.61 µg/L/yr14 years
EPA Impairment Status
Chattahoochee River Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Drinking water, Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit GAR031300020803 · Official waterbody report
Nearby Lakes in Troup County
Frequently asked questions about Chattahoochee River Lake
Where is Chattahoochee River Lake?
- Chattahoochee River Lake is a lake in Troup County, Georgia. Its water-quality measurements are published by Georgia EPD and shown on this page as reported.
What is the water quality of Chattahoochee River Lake?
- Chattahoochee River Lake in Troup County, Georgia has water-quality measurements published by Georgia EPD, shown here as reported. Phosphorus: 30 µg/L.
Is Chattahoochee River Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Chattahoochee River Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), pCBs. Check local advisories before you swim.
Are there boat ramps on Chattahoochee River Lake?
- Chattahoochee River Lake has 5 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Clark Access, GA 219 Access, Liberty Hill Access, Ringer Camping Area, among others. Public access is listed as yes.
Can I fish at Chattahoochee River Lake?
- Chattahoochee River Lake has 5 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.
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Where this data comes from
94 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS Georgia Water Science Center
USGS-GA94 samples · 2020–2024
Analytical methods
- Phosphorus, total, colorimetric
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
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory