Lake Allen
Hillsborough County, FloridaEutrophic
Lake Allen is a productive, nutrient-rich eutrophic lake in Hillsborough County, Florida. Water quality is graded D based on 2 sampling years through 2024. Compared to the 221 other monitored lakes in Hillsborough County, Lake Allen ranks #158 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2024-10-16. Grade methodology: LakeGrade methodology.
Watch Lake Allen water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
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: 50 µg/L. Trophic State Index: 69.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1 ft | F |
| Phosphorus | 50 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 69 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #158 of 222 lakes in Hillsborough County
Cleaner Lakes Within 30 Miles
Lake Allen holds Grade D. 3 nearby lakes hold higher grades.
- BLake VirginiaHillsborough County · 0.4 mi · Two grade letters higher (D → B)
- BHillsborough-Harvey LakeHillsborough County · 0.6 mi · Two grade letters higher (D → B)
- BHillsborough-Wilson LakeHillsborough County · 0.6 mi · Two grade letters higher (D → B)
Nearby Lakes in Hillsborough County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-10-16
Monitoring stations: 1
Where to stay near Lake Allen
Compare lakeside cabins, hotels, and vacation rentals near Lake Allen in Hillsborough County, Florida — live availability and prices for your trip.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.