Queensmirr Lake
Seminole County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Queensmirr Lake. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
- Limited data
Queensmirr Lake in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.6 ft visibility. Phosphorus: 52 µg/L.
Queensmirr 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, Queensmirr Lake ranks #110 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-10-22. Methodology: how these readings are compared.
Swimming conditions
Readings onlyRecreation use not supported
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. Queensmirr Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.
Whether Queensmirr 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 Queensmirr Lake
These are the measurements Florida DEP publishes for Queensmirr 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 2.6 ft of visibility. Phosphorus 52 µg/L. TSI 62.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 52µg/L | Fair 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. | 62 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Queensmirr Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Queensmirr Lake typically sits around 77°F at the surface in October. Summer average is about 86°F. Usually warmest in Jun (about 86°F) and coldest in Jan (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 (86°F).
Typical surface water temperature by month, from 34 field readings (2019–2024) via the EPA Water Quality Portal. See the full Queensmirr Lake water temperature breakdown →
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Stays near Queensmirr Lake
Compare lakeside cabins, hotels, and vacation rentals near Queensmirr 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 Queensmirr Lake
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Fishing Queensmirr Lake
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Improving-1.9 µg/L/yr5 years
EPA Impairment Status
Queensmirr Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
Source: EPA ATTAINS assessment unit FL2994V1 · Official waterbody report
Nearby Lakes in Seminole County
Frequently asked questions about Queensmirr Lake
Where is Queensmirr Lake?
- Queensmirr 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 Queensmirr Lake?
- Queensmirr Lake in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.6 ft visibility. Phosphorus: 52 µg/L.
Is Queensmirr Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Queensmirr Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.
What is the water temperature of Queensmirr Lake?
- Queensmirr Lake typically sits around 77°F at the surface in October, from 34 EPA Water Quality Portal field readings (2019–2024). That is a typical value for the month, not a live reading.
Explore Queensmirr Lake across LakeQuality
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Where this data comes from
24 measurements from 1 monitoring station, 2022–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples24 samples · 2022–2024
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database