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LakeQuality

Lake Stallworth East

B
Grade B — Good
Good · #45 of 84 lakes in the county · 3.9 ft clear · Eutrophic · from C
Eutrophic

Lake Stallworth East in Walton County, Florida has a water quality grade of B (Good). Water clarity: 3.9 ft visibility. Phosphorus: 17 µg/L.

Clarity
3.9 ft
Typical in August
88°F
Type
Eutrophic
Trend
Stable

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Lake Stallworth East is a productive, nutrient-rich eutrophic lake in Walton County, Florida. Water quality is graded B based on 1 sampling years through 2025. Compared to the 83 other monitored lakes in Walton County, Lake Stallworth East ranks #45 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-01-30. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Low algae

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.

Good for swimming, clear water with low algae levels

Get alerts for Lake Stallworth East

Water Quality Grade: B (Good)

Murky, only visible to about 3.9 ft. Phosphorus level: 17 µg/L. Trophic State Index: 51.

MetricValueGrade
Water Clarity (Secchi Depth)3.9 ftNot graded
Phosphorus17 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)51Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Lake Stallworth East

Compare lakeside cabins, hotels, and vacation rentals near Lake Stallworth 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.

Top-rated places to stay near Lake Stallworth 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

Lake Stallworth East typically sits around 88°F at the surface in August. Summer average is about 87°F. Usually warmest in Aug (about 88°F) and coldest in Jan (about 59°F). These are typical values by month — not a live reading.

Jan
59°
Feb
61°
Mar
68°
Apr
75°
May
80°
Jun
85°
Jul
87°
Aug
88°
Sep
83°
Oct
79°
Nov
68°
Dec
63°

Typical surface water temperature by month, from 368 field readings (20102025) via the EPA Water Quality Portal. See the full Lake Stallworth East water temperature breakdown →

Fishing Lake Stallworth East

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

MetricTrendChange/YearYears
Water Clarity Stable+0.05 m/yr5
Phosphorus Stable-0.25 µg/L/yr5
See year-by-year chart →

EPA Impairment Status

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

Causes of impairment

MercuryOxygen depletion (low DO)

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

Source: EPA ATTAINS assessment unit FL959B · Official waterbody report · Matched by proximity (0.06 km)

County Ranking

Ranked #45 of 84 lakes in Walton County

Nearby Lakes in Walton County

Frequently asked questions about Lake Stallworth East

Where is Lake Stallworth East?

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

What is the water quality grade for Lake Stallworth East?

Lake Stallworth East in Walton County, Florida has a water quality grade of B (Good). Water clarity: 3.9 ft visibility. Phosphorus: 17 µg/L.

Is Lake Stallworth East safe to swim in?

Good for swimming, clear water with low algae levels. Lake Stallworth East has a water quality grade of B (Good). Always check local health department advisories before swimming.

What is the water temperature of Lake Stallworth East?

Lake Stallworth East typically sits around 88°F at the surface in August, from 368 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

101 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_WQX101 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