Carters Lake is a mesotrophic lake in Gilmer County, Georgia. Water quality is graded C based on 1 sampling years through 2025.
Source: EPA Water Quality Portal sampling records, Georgia DNR, last sampled 2025-10-16. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 8.1 ft. Chlorophyll-a: 8.4 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.1 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 8.4 µg/L | C |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
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Location
County Ranking
Ranked #1 of 1 lakes in Gilmer County
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Mesotrophic Lakes in Georgia
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-10-16
Monitoring stations: 2