Irvin Lake
Hernando County, FloridaHypereutrophic
Irvin Lake is a highly nutrient-loaded hypereutrophic lake in Hernando County, Florida. Water quality is graded F based on 2 sampling years through 2024. Compared to the 22 other monitored lakes in Hernando County, Irvin Lake ranks #19 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2024-08-19. Grade methodology: LakeGrade methodology.
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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 1.3 ft of visibility. Phosphorus level: 180 µg/L. Trophic State Index: 76.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.3 ft | F |
| Phosphorus | 180 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 76 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Location
County Ranking
Ranked #19 of 23 lakes in Hernando County
Cleaner Lakes Within 30 Miles
Irvin Lake holds Grade F. 3 nearby lakes hold higher grades.
- BHernando-Spring LakeHernando County · 4.6 mi · Two grade letters higher (F → B)
- CHernando-Bystre LakeHernando County · 2.4 mi · Two grade letters higher (F → C)
- DHernando-Sparkman LakeHernando County · 4.1 mi · Higher grade (F → D)
Nearby Lakes in Hernando County
More Florida Lake Rankings
Other Grade F Lakes in Florida
Hypereutrophic Lakes in Florida
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-08-19
Monitoring stations: 1
Where to stay near Irvin Lake
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