Micklers Lake
St. Johns County, FloridaHypereutrophic
Micklers Lake is a highly nutrient-loaded hypereutrophic lake in St. Johns County, Florida. Water quality is graded F based on 2 sampling years through 2024. Compared to the 7 other monitored lakes in St. Johns County, Micklers Lake ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2024-12-02. Grade methodology: LakeGrade methodology.
Watch Micklers Lake water quality
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 1.7 ft of visibility. Phosphorus level: 149 µg/L. Trophic State Index: 73.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.7 ft | F |
| Phosphorus | 149 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 73 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Location
County Ranking
Ranked #7 of 8 lakes in St. Johns County
Cleaner Lakes Within 30 Miles
Micklers Lake holds Grade F. 2 nearby lakes hold higher grades.
- CDuval-Willow LakeDuval County · 12.7 mi · Two grade letters higher (F → C)
- DLake SouthSt. Johns County · 9.7 mi · Higher grade (F → D)
Nearby Lakes in St. Johns County
More Florida Lake Rankings
Other Grade F Lakes in Florida
Hypereutrophic Lakes in Florida
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Micklers Lake under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 1 facility has a reported Clean Water Act violation in the past three years.
- Players Club WrfPonte Vedra Beach · 2.7 mi away · NPDES FL0044245MajorRecent violation
- Sawgrass WwtfPonte Vedra Beach · 2.1 mi away · NPDES FL0117897
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Data Sources
Water quality data from the EPA Water Quality Portal
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-12-02
Monitoring stations: 1
Where to stay near Micklers Lake
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