Orange-South Lotta Lake
Orange County, FloridaView mapDirections
No nutrient or algae sampling on record from Florida DEP for this lake.
- Impaired · Algal growth
- Limited data
Orange-South Lotta Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Orange-South Lotta Lake is a lake in Orange County, Florida. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2020-01-03. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Orange-South Lotta Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, impaired biota (cause unknown). Check local advisories before you swim.
Whether Orange-South Lotta 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 Orange-South Lotta Lake
These are the measurements Florida DEP publishes for Orange-South Lotta Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Orange-South Lotta Lake
Answers come straight from the public measurements and survey records on this page.
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Fishing Orange-South Lotta Lake
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Improving-4.5 µg/L/yr5 years
EPA Impairment Status
Orange-South Lotta Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
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 FL3002G · Official waterbody report
Nearby Lakes in Orange County
Frequently asked questions about Orange-South Lotta Lake
Where is Orange-South Lotta Lake?
- Orange-South Lotta Lake is a lake in Orange County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Orange-South Lotta Lake?
- Orange-South Lotta Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Is Orange-South Lotta Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Orange-South Lotta Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, impaired biota (cause unknown). Check local advisories before you swim.
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Where this data comes from
4 measurements from 2 monitoring stations, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX4 samples · 2020
Monitoring station identifiers (2)
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