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Lake of the Woods

Seminole County, FloridaView mapDirections

Florida DEP publishes the water-quality measurements for Lake of the Woods. Here is what has been measured.

Clarity
5.6 ft
Typical for Florida
Secchi · sampled 2025
Phosphorus
50 µg/L
Typical for Florida
Measured by Florida DEP
Water temp
~87°F
Typical for Sep · EPA WQP
Type
Eutrophic
Trophic class
Trend
Worsening
6 years of samples
  • Eutrophic
  • Impaired · pH / acidity
  • Limited data

Lake of the Woods in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 5.6 ft visibility. Phosphorus: 50 µg/L.

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Lake of the Woods is a productive, nutrient-rich eutrophic lake in Seminole County, Florida. Overall water quality is declining over recent sampling years. Compared to the 121 other monitored lakes in Seminole County, Lake of the Woods ranks #98 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-05-08. Methodology: how these readings are compared.

Swimming conditions

Readings only

Limited data

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Lake of the Woods is listed impaired under Clean Water Act §303(d) (IR 4C) for pH / acidity. Check local advisories before you swim.

Whether Lake of the Woods is safe to swim in today is a call for the Florida Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Lake of the Woods →

Water quality measurements for Lake of the Woods

These are the measurements Florida DEP publishes for Lake of the Woods, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Murky, only visible to about 5.6 ft. Phosphorus 50 µg/L. TSI 56.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)5.6ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus50µg/LFair
GoodFairPoor
Chlorophyll-a (algae)No reading

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.56Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Lake of the Woods

Answers come straight from the public measurements and survey records on this page.

Water Temperature

Lake of the Woods typically sits around 87°F at the surface in September. Summer average is about 87°F. Usually warmest in Aug (about 89°F) and coldest in Feb (about 66°F). These are typical values by month — not a live reading.

Jan
66°
Feb
66°
Mar
Apr
84°
May
85°
Jun
Jul
89°
Aug
87°
Sep
Oct
72°
Nov
Dec

Column height runs from this lake’s coldest month (66°F) to its warmest (89°F).

Typical surface water temperature by month, from 54 field readings (2010–2025) via the EPA Water Quality Portal. See the full Lake of the Woods water temperature breakdown →

Stays via Stay22

Stays near Lake of the Woods

Compare lakeside cabins, hotels, and vacation rentals near Lake of the Woods in Seminole 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 Lake of the Woods

Prices for Oct 16–18, 4 adults. Change dates on the map below.

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 →

Follow Lake of the Woods’s readings

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Fishing Lake of the Woods

Based on 6 years of monitoring (2020–2025).

  • Water clarity

    Worsening

    6 years

  • Phosphorus

    Worsening

    +1.77 µg/L/yr6 years

See year-by-year chart →

EPA Impairment Status

Lake of the Woods is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).

Causes of impairment

pH / acidity

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit FL29977 · Official waterbody report

Nearby Lakes in Seminole County

Frequently asked questions about Lake of the Woods

Where is Lake of the Woods?

Lake of the Woods is a lake in Seminole County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.

What is the water quality of Lake of the Woods?

Lake of the Woods in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 5.6 ft visibility. Phosphorus: 50 µg/L.

Measurements on this page ↑

Is Lake of the Woods safe to swim in?

Nutrient and algae readings are not a swimming clearance. Lake of the Woods is listed impaired under Clean Water Act §303(d) (IR 4C) for pH / acidity. Check local advisories before you swim.

Swimming on this page ↑

What is the water temperature of Lake of the Woods?

Lake of the Woods typically sits around 87°F at the surface in September, from 54 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

Temp on this page ↑

Planning a trip around Canaveral?

Lake of the Woods is about 37 miles from Canaveral National Seashore. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.

Best time to visit Canaveral →

Where this data comes from

40 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 samples40 samples · 2020–2025
Monitoring station identifiers (1)

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database