South Triplet Lake
Seminole County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for South Triplet Lake. Here is what has been measured.
- Eutrophic
South Triplet Lake in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.2 ft visibility. Phosphorus: 33 µg/L.
South Triplet Lake is a productive, nutrient-rich eutrophic lake in Seminole County, Florida. Overall water quality is improving over recent sampling years. Compared to the 121 other monitored lakes in Seminole County, South Triplet Lake ranks #48 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-27. 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, South Triplet Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 19 samples across 6 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 South Triplet 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 South Triplet Lake
These are the measurements Florida DEP publishes for South Triplet 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 2.2 ft of visibility. Phosphorus 33 µg/L. TSI 60.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 33µg/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. | 60 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about South Triplet Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
South Triplet Lake typically sits around 83°F at the surface in September. Summer average is about 84°F. Usually warmest in Jun (about 84°F) and coldest in Dec (about 67°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (67°F) to its warmest (84°F).
Typical surface water temperature by month, from 19 field readings (2020–2025) via the EPA Water Quality Portal. See the full South Triplet Lake water temperature breakdown →
Stays via Stay22
Stays near South Triplet Lake
Compare lakeside cabins, hotels, and vacation rentals near South Triplet 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 South Triplet Lake
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Fishing South Triplet Lake
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Improving-2 µg/L/yr5 years
Nearby Lakes in Seminole County
Frequently asked questions about South Triplet Lake
Where is South Triplet Lake?
- South Triplet 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 South Triplet Lake?
- South Triplet Lake in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.2 ft visibility. Phosphorus: 33 µg/L.
Is South Triplet Lake safe to swim in?
- Based on E. coli testing, South Triplet Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 19 samples across 6 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 South Triplet Lake 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 South Triplet Lake?
- South Triplet Lake typically sits around 83°F at the surface in September, from 19 EPA Water Quality Portal field readings (2020–2025). That is a typical value for the month, not a live reading.
Explore South Triplet Lake across LakeQuality
Planning a trip around Canaveral?
South Triplet Lake is about 36 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
Eutrophic 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.