Seminole-Jesup North Lake
Seminole County, FloridaHypereutrophic
Seminole-Jesup North Lake is a highly nutrient-loaded hypereutrophic lake in Seminole County, Florida. Water quality is graded D based on 2 sampling years through 2024. Compared to the 167 other monitored lakes in Seminole County, Seminole-Jesup North Lake ranks #151 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2024-04-13. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 1 ft of visibility. Phosphorus level: 90 µg/L. Trophic State Index: 73.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1 ft | F |
| Phosphorus | 90 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 73 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Location
County Ranking
Ranked #151 of 168 lakes in Seminole County
Cleaner Lakes Within 30 Miles
Seminole-Jesup North Lake holds Grade D. 2 nearby lakes hold higher grades.
- BSeminole-Onora LakeSeminole County · 4.1 mi · Two grade letters higher (D → B)
- DOw-Ctr LakeSeminole County · 3.2 mi · Higher overall water quality score
Nearby Lakes in Seminole County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Hypereutrophic Lakes in Florida
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-04-13
Monitoring stations: 3
Where to stay near Seminole-Jesup North Lake
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