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LakeQuality

Lake Stallworth Roadside

B
Grade B — Good
Good · #43 of 84 lakes in the county · 3 ft clear · Eutrophic · from C
Eutrophic

Lake Stallworth Roadside in Walton County, Florida has a water quality grade of B (Good). Water clarity: 3 ft visibility. Phosphorus: 17 µg/L.

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

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Lake Stallworth Roadside 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 Roadside ranks #43 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 Roadside

Water Quality Grade: B (Good)

Very murky, less than 3 ft of visibility. Phosphorus level: 17 µg/L. Trophic State Index: 53.

MetricValueGrade
Water Clarity (Secchi Depth)3 ftNot graded
Phosphorus17 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)53Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Lake Stallworth Roadside

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

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 Roadside 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 58°F). These are typical values by month — not a live reading.

Jan
58°
Feb
60°
Mar
68°
Apr
76°
May
81°
Jun
86°
Jul
88°
Aug
88°
Sep
82°
Oct
79°
Nov
66°
Dec
62°

Typical surface water temperature by month, from 302 field readings (20102025) via the EPA Water Quality Portal. See the full Lake Stallworth Roadside water temperature breakdown →

Fishing Lake Stallworth Roadside

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 Roadside 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 (0.24 km)

County Ranking

Ranked #43 of 84 lakes in Walton County

Nearby Lakes in Walton County

Frequently asked questions about Lake Stallworth Roadside

Where is Lake Stallworth Roadside?

Lake Stallworth Roadside 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 Roadside?

Lake Stallworth Roadside in Walton County, Florida has a water quality grade of B (Good). Water clarity: 3 ft visibility. Phosphorus: 17 µg/L.

Is Lake Stallworth Roadside safe to swim in?

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

What is the water temperature of Lake Stallworth Roadside?

Lake Stallworth Roadside typically sits around 88°F at the surface in August, from 302 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

95 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_WQX95 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