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LakeQuality

Oyster Lake East

D
Grade D — Nutrient-rich
Nutrient-rich · #83 of 84 lakes in the county · 1.9 ft clear · Eutrophic
Limited DataEutrophic

Oyster Lake East in Walton County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1.9 ft visibility. Phosphorus: 62 µg/L.

Clarity
1.9 ft
Typical in August
89°F
Type
Eutrophic
Trend
Stable

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

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Oyster Lake East is a productive, nutrient-rich eutrophic lake in Walton County, Florida. Water quality is graded D based on 1 sampling years through 2025. Compared to the 83 other monitored lakes in Walton County, Oyster Lake East ranks #83 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-02-05. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Limited data

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 Oyster Lake East

Water Quality Grade: D (Nutrient-rich)

Very murky, less than 1.9 ft of visibility. Phosphorus level: 62 µg/L. Trophic State Index: 66.

MetricValueGrade
Water Clarity (Secchi Depth)1.9 ftNot graded
Phosphorus62 µg/LPoor
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)66Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Oyster Lake East

Compare lakeside cabins, hotels, and vacation rentals near Oyster Lake East 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Oyster Lake East are listed below.

Top-rated places to stay near Oyster Lake East

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

Oyster Lake East typically sits around 89°F at the surface in August. Summer average is about 89°F. Usually warmest in Jul (about 89°F) and coldest in Jan (about 58°F). These are typical values by month — not a live reading.

Jan
58°
Feb
62°
Mar
71°
Apr
75°
May
80°
Jun
88°
Jul
89°
Aug
89°
Sep
83°
Oct
76°
Nov
69°
Dec
61°

Typical surface water temperature by month, from 133 field readings (20102025) via the EPA Water Quality Portal. See the full Oyster Lake East water temperature breakdown →

Fishing Oyster Lake East

Based on 5 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable+0.05 m/yr5
Phosphorus Stable+0.1 µg/L/yr5
See year-by-year chart →

EPA Impairment Status

Oyster Lake East is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Algal growthMercuryOxygen depletion (low DO)

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit FL959C · Official waterbody report · Matched by proximity (0.29 km)

County Ranking

Ranked #83 of 84 lakes in Walton County

Nearby Lakes With Higher Grades

Oyster Lake East holds Grade D. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.

Nearby Lakes in Walton County

Frequently asked questions about Oyster Lake East

Where is Oyster Lake East?

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

What is the water quality grade for Oyster Lake East?

Oyster Lake East in Walton County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1.9 ft visibility. Phosphorus: 62 µg/L.

Is Oyster Lake East safe to swim in?

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

What is the water temperature of Oyster Lake East?

Oyster Lake East typically sits around 89°F at the surface in August, from 133 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

64 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_WQX64 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