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LakeQuality

Alligator Lake Roadside

Walton County, FloridaView mapDirections

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

Clarity
2.1 ft
Typical for Florida
Secchi · sampled 2025
Phosphorus
12 µg/L
Less phosphorus than most
Measured by Florida DEP
Water temp
~75°F
Typical for Oct · EPA WQP
Type
Eutrophic
Trophic class
Trend
Stable
5 years of samples
  • Eutrophic

Alligator Lake Roadside in Walton County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.1 ft visibility. Phosphorus: 12 µg/L.

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Alligator Lake Roadside is a productive, nutrient-rich eutrophic lake in Walton County, Florida. Water clarity is declining over recent sampling years. Compared to the 83 other monitored lakes in Walton County, Alligator Lake Roadside ranks #27 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-01-26. Methodology: how these readings are compared.

Swimming conditions

Readings only

Low algae

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. Check local advisories before you swim.

Whether Alligator Lake Roadside 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.

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Water quality measurements for Alligator Lake Roadside

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

Very murky, less than 2.1 ft of visibility. Phosphorus 12 µg/L. TSI 53.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)2.1ftMeasured, not scored

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

Total phosphorus12µg/LGood
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.53Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Alligator Lake Roadside

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

Water Temperature

Alligator Lake Roadside typically sits around 75°F at the surface in October. Summer average is about 88°F. Usually warmest in Jul (about 89°F) and coldest in Jan (about 60°F). These are typical values by month — not a live reading.

60°
Jan
69°
Feb
73°
Mar
78°
Apr
84°
May
88°
Jun
89°
Jul
88°
Aug
84°
Sep
75°
Oct
69°
Nov
66°
Dec

Column height runs from this lake’s coldest month (60°F) to its warmest (89°F).

Typical surface water temperature by month, from 321 field readings (2010–2025) via the EPA Water Quality Portal. See the full Alligator Lake Roadside water temperature breakdown →

Stays via Stay22

Stays near Alligator Lake Roadside

Compare lakeside cabins, hotels, and vacation rentals near Alligator Lake Roadside in Walton 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 Alligator Lake Roadside

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 →

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Fishing Alligator Lake Roadside

Based on 5 years of monitoring (2020–2024).

  • Water clarity

    Worsening

    5 years

  • Phosphorus

    Improving

    -0.9 µg/L/yr5 years

See year-by-year chart →

Nearby Lakes in Walton County

Frequently asked questions about Alligator Lake Roadside

Where is Alligator Lake Roadside?

Alligator Lake Roadside is a lake in Walton County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.

What is the water quality of Alligator Lake Roadside?

Alligator Lake Roadside in Walton County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.1 ft visibility. Phosphorus: 12 µg/L.

Measurements on this page ↑

Is Alligator Lake Roadside safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

What is the water temperature of Alligator Lake Roadside?

Alligator Lake Roadside typically sits around 75°F at the surface in October, from 321 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

Temp on this page ↑

Where this data comes from

108 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • CHOCTAWHATCHEE BASIN ALLIANCE21FLCBA_WQX108 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.