What is the water quality grade for Lake Allen Roadside?

Lake Allen Roadside in Walton County, Florida received a water quality grade of C (Fair). Water clarity: 2.5 ft visibility. Phosphorus: 20 µg/L.

Is Lake Allen Roadside safe to swim in?

Generally safe for swimming, moderate water quality. Lake Allen Roadside has an overall water quality grade of C. Always check local health department advisories before swimming.

Lake Allen Roadside

Walton County, FloridaEutrophic

Lake Allen Roadside is a productive, nutrient-rich eutrophic lake in Walton County, Florida. Water quality is graded C based on 2 sampling years through 2025. Compared to the 108 other monitored lakes in Walton County, Lake Allen Roadside ranks #102 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-01-29. Grade methodology: LakeGrade methodology.

Watch Lake Allen Roadside water quality

Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.

Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Very murky, less than 2.5 ft of visibility. Phosphorus level: 20 µg/L. Trophic State Index: 56.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2.5 ft	F
Phosphorus	20 µg/L	B
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	56	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

Loading map…

County Ranking

Ranked #102 of 109 lakes in Walton County

Cleaner Lakes Within 30 Miles

Lake Allen Roadside holds Grade C. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Walton County

Lake Stallworth Roadside

More Florida Lake Rankings

Cleanest lakes in Florida

Top 25 by overall water quality score

Best swimming lakes in Florida

Grade A/B + low algae filter

Family fishing lakes in Florida

Panfish-rich, public access

All Florida lakes

Full state directory

Other Grade C Lakes in Florida

Lake Lancaster West

Orange County · Clarity: 3.5 ft

Seminole-Secret Lake

Seminole County · Clarity: 4.5 ft

Spring Lake

Seminole County · Clarity: 2.9 ft

Polk-Fannie Lake

Polk County · Clarity: 3.5 ft

Volusia-North Talmadge Lake

Volusia County · Clarity: 4.5 ft

Seminole-Spring Lake

Seminole County · Clarity: 3 ft

Eutrophic Lakes in Florida

Lake Lancaster West Flagler-Emerald Lake Seminole-Secret Lake Ftt Lake

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2025-01-29

Monitoring stations: 1

Where to stay near Lake Allen Roadside

Compare lakeside cabins, hotels, and vacation rentals near Lake Allen Roadside in Walton County, Florida — live availability and prices for your trip.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.