Beulah Sw Lake
Polk County, FloridaEutrophic
Beulah Sw Lake is a productive, nutrient-rich eutrophic lake in Polk County, Florida. Water quality is graded D based on 2 sampling years through 2023. Compared to the 360 other monitored lakes in Polk County, Beulah Sw Lake ranks #204 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-09-20. 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 2.3 ft of visibility. Phosphorus level: 32 µg/L. Trophic State Index: 60.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 ft | F |
| Phosphorus | 32 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #204 of 361 lakes in Polk County
Cleaner Lakes Within 30 Miles
Beulah Sw Lake holds Grade D. 2 nearby lakes hold higher grades.
- BWire-Col LakePolk County · 0.7 mi · Two grade letters higher (D → B)
- CBeulah-Col LakePolk County · 0.1 mi · Higher grade (D → C)
Nearby Lakes in Polk 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: 2023-09-20
Monitoring stations: 1
Where to stay near Beulah Sw Lake
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