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LakeQuality

Eastern Lake Roadside

B
Grade B — Good
Good · #19 of 84 lakes in the county · 4.5 ft clear · Eutrophic · from C
Eutrophic

Eastern Lake Roadside in Walton County, Florida has a water quality grade of B (Good). Water clarity: 4.5 ft visibility. Phosphorus: 17 µg/L.

Clarity
4.5 ft
Typical in August
87°F
Type
Eutrophic
Trend
Improving

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Eastern Lake Roadside is a productive, nutrient-rich eutrophic lake in Walton County, Florida. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is improving over recent sampling years. Compared to the 83 other monitored lakes in Walton County, Eastern Lake Roadside ranks #19 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-01-18. 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 Eastern Lake Roadside

Water Quality Grade: B (Good)

Murky, only visible to about 4.5 ft. Phosphorus level: 17 µg/L. Trophic State Index: 50.

MetricValueGrade
Water Clarity (Secchi Depth)4.5 ftNot graded
Phosphorus17 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)50Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Eastern Lake Roadside

Compare lakeside cabins, hotels, and vacation rentals near Eastern 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 Eastern Lake 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

Eastern Lake Roadside typically sits around 87°F at the surface in August. Summer average is about 87°F. Usually warmest in Jun (about 88°F) and coldest in Dec (about 60°F). These are typical values by month — not a live reading.

Jan
64°
Feb
64°
Mar
71°
Apr
76°
May
81°
Jun
88°
Jul
87°
Aug
87°
Sep
82°
Oct
76°
Nov
70°
Dec
60°

Typical surface water temperature by month, from 357 field readings (20102025) via the EPA Water Quality Portal. See the full Eastern Lake Roadside water temperature breakdown →

Fishing Eastern Lake Roadside

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

MetricTrendChange/YearYears
Water Clarity Stable+0.05 m/yr5
Phosphorus Improving-1.4 µg/L/yr5
See year-by-year chart →

EPA Impairment Status

Eastern Lake 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 FL1037 · Official waterbody report · Matched by proximity (0.21 km)

County Ranking

Ranked #19 of 84 lakes in Walton County

Nearby Lakes in Walton County

Frequently asked questions about Eastern Lake Roadside

Where is Eastern Lake Roadside?

Eastern Lake 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 Eastern Lake Roadside?

Eastern Lake Roadside in Walton County, Florida has a water quality grade of B (Good). Water clarity: 4.5 ft visibility. Phosphorus: 17 µg/L.

Is Eastern Lake Roadside safe to swim in?

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

What is the water temperature of Eastern Lake Roadside?

Eastern Lake Roadside typically sits around 87°F at the surface in August, from 357 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

99 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_WQX99 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