Lostlkalt Lake
Lostlkalt Lake in Leon County, Florida has a water quality grade of B (Good). Water clarity: 7.2 ft visibility. Phosphorus: 10 µg/L.
- Clarity
- 7.2 ft
- Typical in August
- 89°F
- Type
- Mesotrophic
- Trend
- → Stable
Next lake in Leon County
Swipe left or right on this bar to open the next or previous lake.
Lostlkalt Lake is a mesotrophic lake in Leon County, Florida. Water quality is graded B based on 1 sampling years through 2024. Water clarity is declining over recent sampling years. Compared to the 58 other monitored lakes in Leon County, Lostlkalt Lake ranks #18 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-07-10. Grade methodology: LakeQuality methodology.
Watch Lostlkalt 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)
Moderate clarity, visible to about 7.2 ft. Phosphorus level: 10 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.2 ft | Not graded |
| Phosphorus | 10 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lostlkalt Lake
Compare lakeside cabins, hotels, and vacation rentals near Lostlkalt 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.
Top-rated places to stay near Lostlkalt 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
Lostlkalt Lake typically sits around 89°F at the surface in August. Summer average is about 90°F. Usually warmest in Jul (about 90°F) and coldest in Sep (about 84°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 15 field readings (2018–2024) via the EPA Water Quality Portal. See the full Lostlkalt Lake water temperature breakdown →
Fishing Lostlkalt Lake
Water Quality Trend: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.175 m/yr | 2 |
| Phosphorus | ↑ Improving | -1.45 µg/L/yr | 5 |
County Ranking
Ranked #18 of 59 lakes in Leon County
Nearby Lakes in Leon County
Frequently asked questions about Lostlkalt Lake
Where is Lostlkalt Lake?
- Lostlkalt Lake is a lake in Leon County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lostlkalt Lake?
- Lostlkalt Lake in Leon County, Florida has a water quality grade of B (Good). Water clarity: 7.2 ft visibility. Phosphorus: 10 µg/L.
Is Lostlkalt Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Lostlkalt Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Lostlkalt Lake?
- Lostlkalt Lake typically sits around 89°F at the surface in August, from 15 EPA Water Quality Portal field readings (2018–2024). That is a typical value for the month, not a live reading.
Explore Lostlkalt Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
7 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples7 samples · 2020–2024
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.