What is the water quality grade for Ptac Lake?

Ptac Lake in Covington County, Alabama received a water quality grade of B (Good). Water clarity: 3.6 ft visibility. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 8 µg/L.

Is Ptac Lake safe to swim in?

Good for swimming, clear water with low algae levels. Ptac Lake has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 8 µg/L. Always check local health department advisories before swimming.

Covington County, Alabama

Ptac Lake

Grade BGood · 3.6 ft clarity

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Eutrophic

Ptac Lake is a productive, nutrient-rich eutrophic lake in Covington County, Alabama. Water quality is graded B based on 2 sampling years through 2024. Compared to the 2 other monitored lakes in Covington County, Ptac Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, Alabama DNR, last sampled 2024-10-30. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Murky, only visible to about 3.6 ft. Phosphorus level: 18 µg/L. Chlorophyll-a: 8 µg/L. Trophic State Index: 52.

Metric	Value	Grade
Water Clarity (Secchi Depth)	3.6 ft	D
Phosphorus	18 µg/L	B
Chlorophyll-a (Algae)	8 µg/L	C
Trophic State Index (TSI)	52	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Ptac Lake

Compare lakeside cabins, hotels, and vacation rentals near Ptac Lake in Covington 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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