Fairy Lake
Fairy Lake in Seminole County, Florida has a water quality grade of B (Good). Water clarity: 3.3 ft visibility. Phosphorus: 24.5 µg/L.
- Clarity
- 3.3 ft
- Typical in August
- 88°F
- Max depth
- ~58 ft est.
- Type
- Eutrophic
- Trend
- ↑ Improving
Next lake in Seminole County
Swipe left or right on this bar to open the next or previous lake.
Fairy Lake is a productive, nutrient-rich eutrophic lake in Seminole County, Florida with an estimated average depth of about 58 feet. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is improving over recent sampling years. Compared to the 121 other monitored lakes in Seminole County, Fairy Lake ranks #78 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-05-19. Grade methodology: LakeQuality methodology.
Watch Fairy Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyLimited data
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.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Very murky, less than 3.3 ft of visibility. Phosphorus level: 24.5 µg/L. Trophic State Index: 55.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.3 ft | Not graded |
| Phosphorus | 24.5 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Fairy Lake
Compare lakeside cabins, hotels, and vacation rentals near Fairy 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 Fairy Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Florida’s top lakes →
Water Temperature
Fairy Lake typically sits around 88°F at the surface in August. Summer average is about 87°F. Usually warmest in Aug (about 88°F) and coldest in Feb (about 66°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 53 field readings (2010–2025) via the EPA Water Quality Portal. See the full Fairy Lake water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~58 ft est. |
| Average Depth | ~8 ft est. |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Florida has not published bathymetry for Fairy Lake.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Fishing Fairy Lake
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | 0 m/yr | 5 |
| Phosphorus | ↑ Improving | -2.55 µg/L/yr | 5 |
EPA Impairment Status
Fairy Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5A).
Causes of impairment
Source: EPA ATTAINS assessment unit FL2994K · Official waterbody report · Matched by proximity (1.67 km)
County Ranking
Ranked #78 of 122 lakes in Seminole County
Nearby Lakes in Seminole County
Frequently asked questions about Fairy Lake
Where is Fairy Lake?
- Fairy Lake is a lake in Seminole County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Fairy Lake?
- Fairy Lake in Seminole County, Florida has a water quality grade of B (Good). Water clarity: 3.3 ft visibility. Phosphorus: 24.5 µg/L.
Is Fairy Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Fairy Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Fairy Lake?
- Fairy Lake typically sits around 88°F at the surface in August, from 53 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
How deep is Fairy Lake?
- No published bathymetric survey covers Fairy Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 58 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Explore Fairy Lake across LakeQuality
Planning a trip around Canaveral?
Fairy Lake is about 36 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 Florida Lake Rankings
Other Grade B Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
37 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 samples37 samples · 2020–2025
Monitoring station identifiers (1)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)