Lake Belle
Polk County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake Belle. Here is what has been measured.
- Eutrophic
- Limited data
Lake Belle in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.6 ft visibility. Phosphorus: 19 µg/L.
Lake Belle is a productive, nutrient-rich eutrophic lake in Polk County, Florida. Overall water quality is declining over recent sampling years. Compared to the 176 other monitored lakes in Polk County, Lake Belle ranks #93 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2021-09-28. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
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. Check local advisories before you swim.
Whether Lake Belle 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 Lake Belle
These are the measurements Florida DEP publishes for Lake Belle, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4.6 ft. Phosphorus 19 µg/L. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 19µg/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. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Belle
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lake Belle typically sits around 84°F at the surface in September. Summer average is about 88°F. Usually warmest in Aug (about 88°F) and coldest in Mar (about 69°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (69°F) to its warmest (88°F).
Typical surface water temperature by month, from 13 field readings (2021–2021) via the EPA Water Quality Portal. See the full Lake Belle water temperature breakdown →
Stays via Stay22
Stays near Lake Belle
Compare lakeside cabins, hotels, and vacation rentals near Lake Belle in Polk County, Florida — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Fishing Lake Belle
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Worsening+4.61 µg/L/yr6 years
Nearby Lakes in Polk County
Frequently asked questions about Lake Belle
Where is Lake Belle?
- Lake Belle is a lake in Polk County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lake Belle?
- Lake Belle in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.6 ft visibility. Phosphorus: 19 µg/L.
Is Lake Belle safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Lake Belle?
- Lake Belle typically sits around 84°F at the surface in September, from 13 EPA Water Quality Portal field readings (2021–2021). That is a typical value for the month, not a live reading.
Explore Lake Belle across LakeQuality
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Where this data comes from
10 measurements from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples10 samples · 2021
Monitoring station identifiers (1)
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.