Geoh Lake
Stewart County, GeorgiaView mapDirections
Georgia EPD publishes the water-quality measurements for Geoh Lake. Here is what has been measured.
- Eutrophic
- Public access
Geoh Lake in Stewart County, Georgia has water-quality measurements published by Georgia EPD, shown here as reported. Water clarity: 3.7 ft visibility. Phosphorus: 31.5 µg/L. Chlorophyll-a (algae): 11.7 µg/L.
Geoh Lake is a productive, nutrient-rich eutrophic lake in Stewart County, Georgia. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, Georgia EPD, last sampled 2024-10-29. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLow 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 Geoh 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 Geoh Lake
These are the measurements Georgia EPD publishes for Geoh 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 3.7 ft. Phosphorus 31.5 µg/L. Chlorophyll-a 11.7 µg/L. TSI 56.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.7ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 31.5µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 11.7µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 56 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Geoh Lake
Answers come straight from the public measurements and survey records on this page.
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Fishing Geoh Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2012–2024).
Water clarity
Stable5 years
Phosphorus
Worsening+1.33 µg/L/yr2 years
Chlorophyll-a
Worsening+0.54 µg/L/yr5 years
Nearby Lakes in Stewart County
Frequently asked questions about Geoh Lake
Where is Geoh Lake?
- Geoh Lake is a lake in Stewart County, Georgia. Its water-quality measurements are published by Georgia EPD and shown on this page as reported.
What is the water quality of Geoh Lake?
- Geoh Lake in Stewart County, Georgia has water-quality measurements published by Georgia EPD, shown here as reported. Water clarity: 3.7 ft visibility. Phosphorus: 31.5 µg/L. Chlorophyll-a (algae): 11.7 µg/L.
Is Geoh Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Geoh Lake?
- Public access to Geoh Lake is listed as yes on the lake record. 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
116 measurements from 1 monitoring station, 2012–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- ALABAMA DEPT. OF ENVIRONMENTAL MANAGEMENT - WATER QUALITY DATA
21AWIC116 samples · 2012–2024
Analytical methods
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- 2120 B ~ Color in Water by Visual Comparison
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.