Lafayette Sinkhole Lake
Lafayette Sinkhole Lake in Leon County, Florida has a water quality grade of D (Nutrient-rich). Phosphorus: 120 µg/L.
- Typical in September
- 83°F
- Type
- Hypereutrophic
- Trend
- ↑ Improving
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Lafayette Sinkhole Lake →
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Lafayette Sinkhole Lake is a highly nutrient-loaded hypereutrophic lake in Leon County, Florida. Water quality is graded D based on 1 sampling years through 2023. Overall water quality is improving over recent sampling years. Compared to the 58 other monitored lakes in Leon County, Lafayette Sinkhole Lake ranks #58 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2023-06-13. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyBacteria D
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, Lafayette Sinkhole Lake frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 10.5% of 19 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: D (Nutrient-rich)
No clarity data. Phosphorus level: 120 µg/L. Trophic State Index: 73.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 120 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 73 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Lafayette Sinkhole Lake
Compare lakeside cabins, hotels, and vacation rentals near Lafayette Sinkhole Lake in Leon 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Lafayette Sinkhole Lake are listed below.
Top-rated places to stay near Lafayette Sinkhole Lake
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Water Temperature
Lafayette Sinkhole Lake typically sits around 83°F at the surface in September. Summer average is about 88°F. Usually warmest in Jun (about 88°F) and coldest in Feb (about 58°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 50 field readings (2010–2023) via the EPA Water Quality Portal. See the full Lafayette Sinkhole Lake water temperature breakdown →
Fishing Lafayette Sinkhole Lake
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.85 m/yr | 2 |
| Phosphorus | ↑ Improving | -5.12 µg/L/yr | 5 |
EPA Impairment Status
Lafayette Sinkhole 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 FL756F · Official waterbody report · Matched by proximity (0.58 km)
County Ranking
Ranked #58 of 59 lakes in Leon County
Nearby Lakes in Leon County
Frequently asked questions about Lafayette Sinkhole Lake
Where is Lafayette Sinkhole Lake?
- Lafayette Sinkhole Lake is a lake in Leon County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lafayette Sinkhole Lake?
- Lafayette Sinkhole Lake in Leon County, Florida has a water quality grade of D (Nutrient-rich). Phosphorus: 120 µg/L.
Is Lafayette Sinkhole Lake safe to swim in?
- Based on E. coli testing, Lafayette Sinkhole Lake frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 10.5% of 19 samples across 6 seasons. That works out to a bacteria swim-safety grade of D — a historical summary of past testing, not a current reading. Lafayette Sinkhole Lake has a water quality grade of D (Nutrient-rich). 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 Lafayette Sinkhole Lake?
- Lafayette Sinkhole Lake typically sits around 83°F at the surface in September, from 50 EPA Water Quality Portal field readings (2010–2023). That is a typical value for the month, not a live reading.
Explore Lafayette Sinkhole Lake across LakeQuality
More Florida Lake Rankings
Other Grade D Lakes in Florida
Hypereutrophic Lakes in Florida
Where this data comes from
11 measurements from 1 monitoring station, 2020–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples11 samples · 2020–2023
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