Trout Lk Eus Lake
Trout Lk Eus Lake in Lake County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1.8 ft visibility. Phosphorus: 108.5 µg/L.
- Clarity
- 1.8 ft
- Typical in August
- 86°F
- Type
- Hypereutrophic
- Trend
- → Stable
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Trout Lk Eus Lake →
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Trout Lk Eus Lake is a highly nutrient-loaded hypereutrophic lake in Lake County, Florida. Water quality is graded D based on 1 sampling years through 2025. Compared to the 127 other monitored lakes in Lake County, Trout Lk Eus Lake ranks #118 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-08-27. 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, Trout Lk Eus Lake frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 13.1% of 84 samples across 8 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)
Very murky, less than 1.8 ft of visibility. Phosphorus level: 108.5 µg/L. Trophic State Index: 70.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.8 ft | Not graded |
| Phosphorus | 108.5 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 70 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Trout Lk Eus Lake
Compare lakeside cabins, hotels, and vacation rentals near Trout Lk Eus 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Trout Lk Eus Lake are listed below.
Top-rated places to stay near Trout Lk Eus Lake
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Planning a whole trip? See where to stay at Florida’s top lakes →
Water Temperature
Trout Lk Eus Lake typically sits around 86°F at the surface in August. Summer average is about 86°F. Usually warmest in Jun (about 86°F) and coldest in Jan (about 61°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 108 field readings (2014–2025) via the EPA Water Quality Portal. See the full Trout Lk Eus Lake water temperature breakdown →
Fishing Trout Lk Eus Lake
Water Quality Trend: → Stable
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | -0.008 m/yr | 6 |
| Phosphorus | → Stable | +0.55 µg/L/yr | 6 |
EPA Impairment Status
Trout Lk Eus Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2819A · Official waterbody report · Matched by proximity (0.28 km)
County Ranking
Ranked #118 of 128 lakes in Lake County
Nearby Lakes With Higher Grades
Trout Lk Eus Lake holds Grade D. 2 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
See full comparison →Nearby Lakes in Lake County
Frequently asked questions about Trout Lk Eus Lake
Where is Trout Lk Eus Lake?
- Trout Lk Eus Lake is a lake in Lake County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Trout Lk Eus Lake?
- Trout Lk Eus Lake in Lake County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1.8 ft visibility. Phosphorus: 108.5 µg/L.
Is Trout Lk Eus Lake safe to swim in?
- Based on E. coli testing, Trout Lk Eus Lake frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 13.1% of 84 samples across 8 seasons. That works out to a bacteria swim-safety grade of D — a historical summary of past testing, not a current reading. Trout Lk Eus 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 Trout Lk Eus Lake?
- Trout Lk Eus Lake typically sits around 86°F at the surface in August, from 108 EPA Water Quality Portal field readings (2014–2025). That is a typical value for the month, not a live reading.
Explore Trout Lk Eus Lake across LakeQuality
More Florida Lake Rankings
Other Grade D Lakes in Florida
Hypereutrophic Lakes in Florida
Where this data comes from
121 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 samples121 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