What is the water quality grade for Logs Lake?

Logs Lake in St. Clair County, Alabama received a water quality grade of C (Fair). Water clarity: 3.3 ft visibility. Phosphorus: 29.5 µg/L. Chlorophyll-a (algae): 20.6 µg/L.

Is Logs Lake safe to swim in?

Swim with caution, moderate algae may be present. Logs Lake has an overall water quality grade of C. Algae concentration (chlorophyll-a) is 20.6 µg/L. Always check local health department advisories before swimming.

St. Clair County, Alabama · 33.50°N

Logs Lake

Grade CFair · 3.3 ft clarity

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Eutrophic

Logs Lake is a productive, nutrient-rich eutrophic lake in St. Clair County, Alabama. Water quality is graded C based on 2 sampling years through 2025. Compared to the 2 other monitored lakes in St. Clair County, Logs Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, Alabama DNR, last sampled 2025-10-22. Grade methodology: LakeGrade methodology.

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Swimming Safety

Swim with caution, moderate algae may be present

Water Quality Grade: C, Fair

Very murky, less than 3.3 ft of visibility. Phosphorus level: 29.5 µg/L. Chlorophyll-a: 20.6 µg/L. Trophic State Index: 58.

Metric	Value	Grade
Water Clarity (Secchi Depth)	3.3 ft	D
Phosphorus	29.5 µg/L	C
Chlorophyll-a (Algae)	20.6 µg/L	D
Trophic State Index (TSI)	58	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Logs Lake

Compare lakeside cabins, hotels, and vacation rentals near Logs Lake in St. Clair County, Alabama — 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.

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