Lake Stanley
Walton County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake Stanley. Here is what has been measured.
- Limited data
Lake Stanley in Walton County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.6 ft visibility. Phosphorus: 7 µg/L.
Lake Stanley is a lake in Walton County, Florida. Water clarity is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2021-06-01. Methodology: how these readings are compared.
Swimming conditions
No readingBacteria tested: low
Based on E. coli testing, Lake Stanley never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 7 samples across 2 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 Stanley 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 Stanley
These are the measurements Florida DEP publishes for Lake Stanley, 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 6.6 ft. Phosphorus 7 µg/L. TSI 41.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 7µg/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. | 41 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Lake Stanley
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lake Stanley typically sits around 80°F at the surface in October. Summer average is about 81°F. Usually warmest in Sep (about 83°F) and coldest in Feb (about 58°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (58°F) to its warmest (83°F).
Typical surface water temperature by month, from 22 field readings (2017–2021) via the EPA Water Quality Portal. See the full Lake Stanley water temperature breakdown →
Stays via Stay22
Stays near Lake Stanley
Compare lakeside cabins, hotels, and vacation rentals near Lake Stanley in Walton 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.
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Fishing Lake Stanley
Water quality readings over time
2 seasons of samples on record (2021–2024). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
Phosphorus
Improving-1 µg/L/yr2 years
Nearby Lakes in Walton County
Frequently asked questions about Lake Stanley
Where is Lake Stanley?
- Lake Stanley is a lake in Walton 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 Stanley?
- Lake Stanley in Walton County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.6 ft visibility. Phosphorus: 7 µg/L.
Is Lake Stanley safe to swim in?
- Based on E. coli testing, Lake Stanley never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 7 samples across 2 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 Stanley 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 Stanley?
- Lake Stanley typically sits around 80°F at the surface in October, from 22 EPA Water Quality Portal field readings (2017–2021). That is a typical value for the month, not a live reading.
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Where this data comes from
2 measurements from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples2 samples · 2021
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.