Bearhead Lake
Bearhead Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 5.2 ft visibility. Phosphorus: 13 µg/L.
- Clarity
- 5.2 ft
- Typical in July
- 87°F
- Type
- Mesotrophic
- Trend
- → Stable
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Bearhead Lake is a mesotrophic lake in Orange County, Florida. Water quality is graded B based on 1 sampling years through 2025. Water clarity is improving over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Bearhead Lake ranks #92 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-01-21. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyBacteria B
Based on clarity and algae grades from past sampling — we do not hold 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, Bearhead Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 4.8% of 21 samples across 6 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.
Water Quality Grade: B (Good)
Murky, only visible to about 5.2 ft. Phosphorus level: 13 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.2 ft | Not graded |
| Phosphorus | 13 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Bearhead Lake
Compare lakeside cabins, hotels, and vacation rentals near Bearhead Lake in Orange 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 Bearhead Lake
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Planning a whole trip? See where to stay at Florida’s top lakes →
Water Temperature
Bearhead Lake typically sits around 87°F at the surface in July. Summer average is about 87°F. Usually warmest in Jul (about 87°F) and coldest in Jan (about 64°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 44 field readings (2016–2025) via the EPA Water Quality Portal. See the full Bearhead Lake water temperature breakdown →
Fishing Bearhead Lake
Water Quality Trend: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +2.115 m/yr | 5 |
| Phosphorus | ↓ Declining | +0.5 µg/L/yr | 5 |
EPA Impairment Status
Bearhead Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit FL3168W · Official waterbody report
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Bearhead Lake under Clean Water Act (NPDES) discharge permits.
- Central Florida Pipeline - Hydrostatic Test DischargesTaft · 2.2 mi away · NPDES FL0037711
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
County Ranking
Ranked #92 of 320 lakes in Orange County
Nearby Lakes in Orange County
Frequently asked questions about Bearhead Lake
Where is Bearhead Lake?
- Bearhead Lake is a lake in Orange County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Bearhead Lake?
- Bearhead Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 5.2 ft visibility. Phosphorus: 13 µg/L.
Is Bearhead Lake safe to swim in?
- Based on E. coli testing, Bearhead Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 4.8% of 21 samples across 6 seasons. That works out to a bacteria swim-safety grade of B — a historical summary of past testing, not a current reading. Bearhead Lake has a water quality grade of B (Good). Bacteria levels can spike quickly after heavy rain, so always check Florida's current beach and health-department advisories before you swim.
What is the water temperature of Bearhead Lake?
- Bearhead Lake typically sits around 87°F at the surface in July, from 44 EPA Water Quality Portal field readings (2016–2025). That is a typical value for the month, not a live reading.
Explore Bearhead Lake across LakeQuality
2.6 mi away · cable-pulled, no boat wake
Species activity outlook by water temperature and season
Where to stay at Florida's top lakes, each with its grade
Moderate nutrients, good water quality
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Other Grade B Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
73 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples63 samples · 2020–2025
- Submitting organization not recorded for these samples10 samples · 2020–2024
Monitoring station identifiers (2)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)