Golden Trout Lake
Hillsborough County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Golden Trout Lake. Here is what has been measured.
- Limited data
Golden Trout Lake in Hillsborough County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.2 ft visibility. Phosphorus: 28 µg/L.
Golden Trout Lake is a lake in Hillsborough County, Florida. Water clarity is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-07-29. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Golden Trout 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 Golden Trout Lake
These are the measurements Florida DEP publishes for Golden Trout Lake, 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 6.2 ft. Phosphorus 28 µg/L. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 28µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| 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. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Golden Trout Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Golden Trout Lake typically sits around 84°F at the surface in August. Summer average is about 87°F. Usually warmest in Jul (about 90°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 (90°F).
Typical surface water temperature by month, from 14 field readings (2010–2025) via the EPA Water Quality Portal. See the full Golden Trout Lake water temperature breakdown →
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Fishing Golden Trout Lake
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Improving-1.67 µg/L/yr6 years
Nearby Lakes in Hillsborough County
Frequently asked questions about Golden Trout Lake
Where is Golden Trout Lake?
- Golden Trout Lake is a lake in Hillsborough County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Golden Trout Lake?
- Golden Trout Lake in Hillsborough County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.2 ft visibility. Phosphorus: 28 µg/L.
Is Golden Trout 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 Golden Trout Lake?
- Golden Trout Lake typically sits around 84°F at the surface in August, from 14 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
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Where this data comes from
9 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples9 samples · 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.