Bear Gully Lake
Seminole County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Bear Gully Lake. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
- Limited data
Bear Gully Lake in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.6 ft visibility. Phosphorus: 34 µg/L.
Bear Gully Lake is a productive, nutrient-rich eutrophic lake in Seminole County, Florida. Water clarity is declining over recent sampling years. Compared to the 121 other monitored lakes in Seminole County, Bear Gully Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-05-08. Methodology: how these readings are compared.
For a place on the water, look through cabin and lake-house rentals near Bear Gully Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
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. Bear Gully Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Bear Gully 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 Bear Gully Lake
These are the measurements Florida DEP publishes for Bear Gully 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 34 µg/L. TSI 59.
| 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 | 34µg/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. | 59 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Bear Gully Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Bear Gully Lake typically sits around 75°F at the surface in October. Summer average is about 86°F. Usually warmest in Aug (about 88°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 (88°F).
Typical surface water temperature by month, from 62 field readings (2010–2025) via the EPA Water Quality Portal. See the full Bear Gully Lake water temperature breakdown →
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Stays near Bear Gully Lake
Compare lakeside cabins, hotels, and vacation rentals near Bear Gully 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 Bear Gully Lake
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Fishing Bear Gully Lake
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Improving-2.83 µg/L/yr6 years
EPA Impairment Status
Bear Gully Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL3009 · Official waterbody report
Nearby Lakes in Seminole County
Frequently asked questions about Bear Gully Lake
Where is Bear Gully Lake?
- Bear Gully 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 Bear Gully Lake?
- Bear Gully Lake in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.6 ft visibility. Phosphorus: 34 µg/L.
Is Bear Gully Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Bear Gully Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
What is the water temperature of Bear Gully Lake?
- Bear Gully Lake typically sits around 75°F at the surface in October, from 62 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
Explore Bear Gully Lake across LakeQuality
Planning a trip around Canaveral?
Bear Gully Lake is about 33 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
41 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 samples41 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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database