Prairie Lake
Seminole County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Prairie Lake. Here is what has been measured.
- Mesotrophic
- Limited data
Prairie Lake in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 7.2 ft visibility. Phosphorus: 16 µg/L.
Prairie Lake is a mesotrophic lake in Seminole County, Florida. Compared to the 121 other monitored lakes in Seminole County, Prairie Lake ranks #47 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-05-19. 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 Prairie 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 Prairie Lake
These are the measurements Florida DEP publishes for Prairie Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 7.2 ft. Phosphorus 16 µg/L. TSI 46.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 7.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 16µg/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. | 46 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Prairie Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Prairie Lake typically sits around 77°F at the surface in October. Summer average is about 85°F. Usually warmest in Aug (about 88°F) and coldest in Jan (about 65°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (65°F) to its warmest (88°F).
Typical surface water temperature by month, from 78 field readings (2010–2025) via the EPA Water Quality Portal. See the full Prairie Lake water temperature breakdown →
Stays via Stay22
Stays near Prairie Lake
Compare lakeside cabins, hotels, and vacation rentals near Prairie Lake in Seminole 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 Prairie Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Planning a whole trip? See where to stay at Florida’s top lakes →
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Fishing Prairie Lake
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Stable6 years
Phosphorus
Stable-0.15 µg/L/yr5 years
Nearby Lakes in Seminole County
Frequently asked questions about Prairie Lake
Where is Prairie Lake?
- Prairie Lake is a lake in Seminole County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Prairie Lake?
- Prairie Lake in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 7.2 ft visibility. Phosphorus: 16 µg/L.
Is Prairie Lake 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 Prairie Lake?
- Prairie Lake typically sits around 77°F at the surface in October, from 78 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
Explore Prairie Lake across LakeQuality
Planning a trip around Canaveral?
Prairie Lake is about 37 miles from Canaveral National Seashore. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Canaveral →More lakes in Florida
Other Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
38 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 samples38 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.