Is Chattahoochee River Lake safe to swim in?

Generally safe for swimming, moderate water quality. Chattahoochee River Lake has a water quality grade of C (Fair). Always check local health department advisories before swimming.

How deep is Chattahoochee River Lake?

No published bathymetric survey covers Chattahoochee River Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 27 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

Troup County, Georgia · Water Quality Report Card

Chattahoochee River Lake

Grade C — Fair

Eutrophic

Chattahoochee River Lake in Troup County, Georgia has a water quality grade of C (Fair). Phosphorus: 30 µg/L.

Mean depth: ~27 ft est.
Type: Eutrophic
Trend: ↓ Declining

Where to stay →Safe to swim?

Chattahoochee River Lake is a productive, nutrient-rich eutrophic lake in Troup County, Georgia with an estimated average depth of about 27 feet. Water quality is graded C based on 1 sampling years through 2024. Overall water quality is declining over recent sampling years. 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. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C (Fair)

No clarity data. Phosphorus level: 30 µg/L. Trophic State Index: 53.

Metric	Value	Grade
Water Clarity (Secchi Depth)	No data
Phosphorus	30 µg/L	Fair
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	53	Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

Characteristic	Value
Average Depth	~27 ft est.

Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Georgia has not published bathymetry for Chattahoochee River Lake.

Where to stay near Chattahoochee River Lake

Compare lakeside cabins, hotels, and vacation rentals near Chattahoochee River Lake in Troup 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.

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Fishing Chattahoochee River Lake

→ Chattahoochee River Lake fishing regulations (limits, seasons, special rules)

Water Quality Trend: ↓ Declining

Based on 14 years of monitoring data (2020-2025).

Metric	Trend	Change/Year	Years
Water Clarity	→ Stable	-0.026 m/yr	14
Phosphorus	↓ Declining	+1.67 µg/L/yr	6
Chlorophyll-a	↓ Declining	+1.61 µg/L/yr	14

See year-by-year chart →

Location

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County Ranking

Ranked #3 of 4 lakes in Troup County

Cleaner Lakes Within 30 Miles

Chattahoochee River Lake holds Grade C. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Troup County

Explore Chattahoochee River Lake across LakeGrade

Lake Fishing Forecast

Species activity outlook by water temperature and season

Georgia Lake Trips

Where to stay at Georgia's top lakes, each with its grade

Eutrophic Lakes

High nutrients, frequent algae, reduced clarity

The State of Georgia's Lakes

Georgia's cleanest and most-polluted lakes, ranked

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Cleanest lakes in Georgia

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Grade A/B + low algae filter

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Panfish-rich, public access

All Georgia lakes

Full state directory

Other Grade C Lakes in Georgia

Lake Harding

Harris County · 6 ft

Goat Rock Lake

Harris County · 5.2 ft

Lake Oliver (Aka Chatt River

Muscogee County · Fair

Lake Oliver

Muscogee County · 6.1 ft

Lake Allatoona

Bartow County · 5.6 ft

Lake Allatoona Upstream From Dam

Bartow County · 7.5 ft

Eutrophic Lakes in Georgia

Culps Lake Geoh Lake Lake Allatoona High Falls Lake

More records, surveys & data sources

Lake Size & Watershed

Watershed (drainage) area

3,437 sq mi

Surface area

22,222 acres

Mean depth (modeled estimate)

~27 ft est.

Shoreline

255.7 mi

Elevation

633 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.

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 CenterUSGS-GA94 samples · 2020–2024

Analytical methods

Phosphorus, total, colorimetric

Monitoring station identifiers (1)

USGS-02338720

Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.

Data Sources

Water quality data from the EPA Water Quality Portal

Lake size & watershed from HydroLAKES (HydroSHEDS)

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion

Most recent sample: 2024-01-24

Monitoring stations: 1

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