Lake Chautauqua
Pinellas County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake Chautauqua. Here is what has been measured.
- Mesotrophic
Lake Chautauqua in Pinellas County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.3 ft visibility. Phosphorus: 10 µg/L.
Lake Chautauqua is a mesotrophic lake in Pinellas County, Florida. Overall water quality is improving over recent sampling years. Compared to the 33 other monitored lakes in Pinellas County, Lake Chautauqua ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-12-03. Methodology: how these readings are compared.
Swimming conditions
Readings onlyBacteria tested: exceedances
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 Chautauqua occasionally exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 7.4% of 54 samples across 7 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 Chautauqua 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 Chautauqua
These are the measurements Florida DEP publishes for Lake Chautauqua, 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 4.3 ft. Phosphorus 10 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 10µg/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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Lake Chautauqua
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lake Chautauqua typically sits around 78°F at the surface in October. Summer average is about 88°F. Usually warmest in Jun (about 88°F) and coldest in Jan (about 60°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (60°F) to its warmest (88°F).
Typical surface water temperature by month, from 318 field readings (2010–2024) via the EPA Water Quality Portal. See the full Lake Chautauqua water temperature breakdown →
Stays via Stay22
Stays near Lake Chautauqua
Compare lakeside cabins, hotels, and vacation rentals near Lake Chautauqua in Pinellas 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 Chautauqua
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Fishing Lake Chautauqua
Water Quality Trend: Improving
Based on 6 years of monitoring (2020–2025).
Water clarity
Improving6 years
Phosphorus
Improving-2.71 µg/L/yr6 years
Nearby Lakes in Pinellas County
Frequently asked questions about Lake Chautauqua
Where is Lake Chautauqua?
- Lake Chautauqua is a lake in Pinellas 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 Chautauqua?
- Lake Chautauqua in Pinellas County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.3 ft visibility. Phosphorus: 10 µg/L.
Is Lake Chautauqua safe to swim in?
- Based on E. coli testing, Lake Chautauqua occasionally exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 7.4% of 54 samples across 7 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 Chautauqua 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 Chautauqua?
- Lake Chautauqua typically sits around 78°F at the surface in October, from 318 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
Explore Lake Chautauqua across LakeQuality
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Where this data comes from
75 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples75 samples · 2020–2024
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.