Saunderslknwsh Lake
Saunderslknwsh Lake in Lake County, Florida has a water quality grade of B (Good). Water clarity: 7.4 ft visibility. Phosphorus: 18 µg/L.
- Clarity
- 7.4 ft
- Typical in August
- 86°F
- Type
- Mesotrophic
- Trend
- ↑ Improving
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Saunderslknwsh Lake is a mesotrophic lake in Lake County, Florida. Water quality is graded B based on 1 sampling years through 2023. Overall water quality is improving over recent sampling years. Compared to the 127 other monitored lakes in Lake County, Saunderslknwsh Lake ranks #67 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2023-09-28. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyBacteria A
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, Saunderslknwsh Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 11 samples across 4 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)
Moderate clarity, visible to about 7.4 ft. Phosphorus level: 18 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.4 ft | Not graded |
| Phosphorus | 18 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Saunderslknwsh Lake
Compare lakeside cabins, hotels, and vacation rentals near Saunderslknwsh Lake in Lake 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.
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Water Temperature
Saunderslknwsh Lake typically sits around 86°F at the surface in August. Summer average is about 86°F. Usually warmest in Aug (about 86°F) and coldest in May (about 80°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 13 field readings (2019–2023) via the EPA Water Quality Portal. See the full Saunderslknwsh Lake water temperature breakdown →
Fishing Saunderslknwsh Lake
Water Quality Trend: ↑ Improving
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.656 m/yr | 6 |
| Phosphorus | ↑ Improving | -3.14 µg/L/yr | 6 |
County Ranking
Ranked #67 of 128 lakes in Lake County
Nearby Lakes in Lake County
Frequently asked questions about Saunderslknwsh Lake
Where is Saunderslknwsh Lake?
- Saunderslknwsh Lake is a lake in Lake County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Saunderslknwsh Lake?
- Saunderslknwsh Lake in Lake County, Florida has a water quality grade of B (Good). Water clarity: 7.4 ft visibility. Phosphorus: 18 µg/L.
Is Saunderslknwsh Lake safe to swim in?
- Based on E. coli testing, Saunderslknwsh Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 11 samples across 4 seasons. That works out to a bacteria swim-safety grade of A — a historical summary of past testing, not a current reading. Saunderslknwsh 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 Saunderslknwsh Lake?
- Saunderslknwsh Lake typically sits around 86°F at the surface in August, from 13 EPA Water Quality Portal field readings (2019–2023). That is a typical value for the month, not a live reading.
Explore Saunderslknwsh Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
19 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 samples19 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.