Lake Prairie
Orange County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake Prairie. Here is what has been measured.
- Eutrophic
- Limited data
Lake Prairie in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4 ft visibility. Phosphorus: 20 µg/L.
Lake Prairie is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Overall water quality is declining over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Lake Prairie ranks #110 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-02-05. Methodology: how these readings are compared.
Swimming conditions
Readings onlyBacteria tested: low
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.
Based on E. coli testing, Lake Prairie never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 27 samples across 8 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Florida’s current beach and health-department advisories before swimming.
Whether Lake Prairie 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 Prairie
These are the measurements Florida DEP publishes for Lake Prairie, 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 ft. Phosphorus 20 µg/L. TSI 52.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 20µg/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. | 52 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Prairie
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lake Prairie typically sits around 80°F at the surface in October. Summer average is about 84°F. Usually warmest in Aug (about 84°F) and coldest in Feb (about 66°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (66°F) to its warmest (84°F).
Typical surface water temperature by month, from 31 field readings (2012–2025) via the EPA Water Quality Portal. See the full Lake Prairie water temperature breakdown →
Stays via Stay22
Stays near Lake Prairie
Compare lakeside cabins, hotels, and vacation rentals near Lake Prairie in Orange 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.
Top-rated places to stay near Lake Prairie
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Fishing Lake Prairie
Water Quality Trend: Worsening
Based on 5 years of monitoring (2020–2024).
Water clarity
Stable5 years
Phosphorus
Worsening+0.3 µg/L/yr5 years
Nearby Lakes in Orange County
Frequently asked questions about Lake Prairie
Where is Lake Prairie?
- Lake Prairie 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 Lake Prairie?
- Lake Prairie in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4 ft visibility. Phosphorus: 20 µg/L.
Is Lake Prairie safe to swim in?
- Based on E. coli testing, Lake Prairie never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 27 samples across 8 seasons. That is a historical summary of past bacteria testing, not a current reading and not a swimming clearance. Bacteria levels can spike quickly after heavy rain, so whether Lake Prairie is safe to swim in today is a call for Florida's water agency and the county health department; check their current beach advisories before you swim.
What is the water temperature of Lake Prairie?
- Lake Prairie typically sits around 80°F at the surface in October, from 31 EPA Water Quality Portal field readings (2012–2025). That is a typical value for the month, not a live reading.
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Where this data comes from
42 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples42 samples · 2020–2025
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.