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LakeQuality

Polesout Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #5 of 7 lakes in the county · 1.6 ft clear · Eutrophic
Eutrophic

Polesout Lake in Glades County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1.6 ft visibility. Phosphorus: 62 µg/L.

Clarity
1.6 ft
Typical in August
88°F
Type
Eutrophic
Trend
Improving

Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Polesout Lake

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Polesout Lake is a productive, nutrient-rich eutrophic lake in Glades County, Florida. Water quality is graded D based on 1 sampling years through 2025. Overall water quality is improving over recent sampling years. Compared to the 6 other monitored lakes in Glades County, Polesout Lake ranks #5 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-08-05. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Elevated nutrients

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.

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum

Get alerts for Polesout Lake

Water Quality Grade: D (Nutrient-rich)

Very murky, less than 1.6 ft of visibility. Phosphorus level: 62 µg/L. Trophic State Index: 67.

MetricValueGrade
Water Clarity (Secchi Depth)1.6 ftNot graded
Phosphorus62 µg/LPoor
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)67Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Polesout Lake

Compare lakeside cabins, hotels, and vacation rentals near Polesout Lake in Glades 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 Polesout Lake are listed below.

Top-rated places to stay near Polesout 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

Polesout Lake typically sits around 88°F at the surface in August. Summer average is about 87°F. Usually warmest in Jul (about 88°F) and coldest in Jan (about 68°F). These are typical values by month — not a live reading.

Jan
68°
Feb
71°
Mar
74°
Apr
79°
May
84°
Jun
86°
Jul
88°
Aug
88°
Sep
87°
Oct
82°
Nov
77°
Dec
69°

Typical surface water temperature by month, from 168 field readings (20102025) via the EPA Water Quality Portal. See the full Polesout Lake water temperature breakdown →

Fishing Polesout Lake

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+0.013 m/yr6
Phosphorus Stable-0.84 µg/L/yr6
See year-by-year chart →

County Ranking

Ranked #5 of 7 lakes in Glades County

Nearby Lakes in Glades County

Frequently asked questions about Polesout Lake

Where is Polesout Lake?

Polesout Lake is a lake in Glades County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Polesout Lake?

Polesout Lake in Glades County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1.6 ft visibility. Phosphorus: 62 µg/L.

Is Polesout Lake safe to swim in?

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Polesout Lake has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.

What is the water temperature of Polesout Lake?

Polesout Lake typically sits around 88°F at the surface in August, from 168 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

Where this data comes from

201 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 samples201 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.