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LakeQuality

Apshawanesh Lake

B
Grade B — Good
Good · #88 of 128 lakes in the county · 4.2 ft clear · Eutrophic · from C
Eutrophic

Apshawanesh Lake in Lake County, Florida has a water quality grade of B (Good). Water clarity: 4.2 ft visibility. Phosphorus: 18.2 µg/L.

Clarity
4.2 ft
Typical in August
87°F
Type
Eutrophic
Trend
Declining

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Apshawanesh Lake is a productive, nutrient-rich eutrophic lake in Lake County, Florida. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Compared to the 127 other monitored lakes in Lake County, Apshawanesh Lake ranks #88 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-08-25. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Bacteria 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.

A
Bacteria swim-safety grade: A
from E. coli testing · 23 samples, 3 seasons

Based on E. coli testing, Apshawanesh Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 23 samples across 3 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.

Get alerts for Apshawanesh Lake

Water Quality Grade: B (Good)

Murky, only visible to about 4.2 ft. Phosphorus level: 18.2 µg/L. Trophic State Index: 51.

MetricValueGrade
Water Clarity (Secchi Depth)4.2 ftNot graded
Phosphorus18.2 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)51Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Apshawanesh Lake

Compare lakeside cabins, hotels, and vacation rentals near Apshawanesh 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.

Top-rated places to stay near Apshawanesh Lake

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Planning a whole trip? See where to stay at Florida’s top lakes →

Water Temperature

Apshawanesh Lake typically sits around 87°F at the surface in August. Summer average is about 86°F. Usually warmest in Aug (about 87°F) and coldest in Jan (about 60°F). These are typical values by month — not a live reading.

Jan
60°
Feb
Mar
71°
Apr
77°
May
86°
Jun
84°
Jul
Aug
87°
Sep
85°
Oct
77°
Nov
76°
Dec
66°

Typical surface water temperature by month, from 22 field readings (20232025) via the EPA Water Quality Portal. See the full Apshawanesh Lake water temperature breakdown →

Fishing Apshawanesh Lake

Based on 4 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable-0.017 m/yr4
Phosphorus Declining+1.59 µg/L/yr4
See year-by-year chart →

County Ranking

Ranked #88 of 128 lakes in Lake County

Nearby Lakes in Lake County

Frequently asked questions about Apshawanesh Lake

Where is Apshawanesh Lake?

Apshawanesh 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 Apshawanesh Lake?

Apshawanesh Lake in Lake County, Florida has a water quality grade of B (Good). Water clarity: 4.2 ft visibility. Phosphorus: 18.2 µg/L.

Is Apshawanesh Lake safe to swim in?

Based on E. coli testing, Apshawanesh Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 23 samples across 3 seasons. That works out to a bacteria swim-safety grade of A — a historical summary of past testing, not a current reading. Apshawanesh 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 Apshawanesh Lake?

Apshawanesh Lake typically sits around 87°F at the surface in August, from 22 EPA Water Quality Portal field readings (2023–2025). That is a typical value for the month, not a live reading.

Eutrophic Lakes in Florida

Where this data comes from

47 measurements from 1 monitoring station, 2023–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples47 samples · 2023–2025
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.