Lake Arden
Palm Beach County, FloridaEutrophic
Lake Arden is a productive, nutrient-rich eutrophic lake in Palm Beach County, Florida. Water quality is graded D based on 2 sampling years through 2022. Compared to the 109 other monitored lakes in Palm Beach County, Lake Arden ranks #48 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2022-06-20. 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 1.7 ft of visibility. Phosphorus level: 33 µg/L. Trophic State Index: 62.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.7 ft | F |
| Phosphorus | 33 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #48 of 110 lakes in Palm Beach County
Cleaner Lakes Within 30 Miles
Lake Arden holds Grade D. 2 nearby lakes hold higher grades.
- BPalm Beach-Westwood LakePalm Beach County · 9.8 mi · Two grade letters higher (D → B)
- BPalm Beach-Riverwalk LakePalm Beach County · 12.2 mi · Two grade letters higher (D → B)
Nearby Lakes in Palm Beach County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Lake Arden under Clean Water Act (NPDES) discharge permits.
- Everglades Sta 1WNa · 1.9 mi away · NPDES FL0177962
- Seminole Improvement DistrictLoxahatchee · 4 mi away · NPDES FL0170224
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: 2022-06-20
Monitoring stations: 1
Where to stay near Lake Arden
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