Beauclair Lake
Lake County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Beauclair Lake. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
Beauclair Lake in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.6 ft visibility. Phosphorus: 15 µg/L.
Beauclair Lake is a productive, nutrient-rich eutrophic lake in Lake County, Florida. Overall water quality is improving over recent sampling years. Compared to the 127 other monitored lakes in Lake County, Beauclair Lake ranks #55 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-24. Methodology: how these readings are compared.
Swimming conditions
Readings onlyRecreation use not supported
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Beauclair Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Beauclair Lake is safe to swim in today is a call for the Florida Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Beauclair Lake
These are the measurements Florida DEP publishes for Beauclair Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 2.6 ft of visibility. Phosphorus 15 µg/L. TSI 53.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 15µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Beauclair Lake
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Stable-0.08 µg/L/yr5 years
EPA Impairment Status
Beauclair Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2834C · Official waterbody report
Nearby Lakes in Lake County
Frequently asked questions about Beauclair Lake
Where is Beauclair Lake?
- Beauclair Lake is a lake in Lake County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Beauclair Lake?
- Beauclair Lake in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.6 ft visibility. Phosphorus: 15 µg/L.
Is Beauclair Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Beauclair Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
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Where this data comes from
60 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples57 samples · 2020–2025
- Submitting organization not recorded for these samples2 samples · 2022
- Submitting organization not recorded for these samples1 sample · 2024
Monitoring station identifiers (3)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database