What is the water quality grade for Hilc Lake?

Hilc Lake in Calhoun County, Alabama received a water quality grade of B (Good). Water clarity: 3.8 ft visibility. Phosphorus: 22.5 µg/L. Chlorophyll-a (algae): 16 µg/L.

Is Hilc Lake safe to swim in?

Good for swimming, clear water with low algae levels. Hilc Lake has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 16 µg/L. Always check local health department advisories before swimming.

Calhoun County, Alabama

Hilc Lake

Grade BGood · 3.8 ft clarity

Find places to stay →

Eutrophic

Hilc Lake is a productive, nutrient-rich eutrophic lake in Calhoun County, Alabama. Water quality is graded B based on 2 sampling years through 2025. Compared to the 1 other monitored lakes in Calhoun County, Hilc Lake ranks #1 for water quality.

Source: EPA Water Quality Portal sampling records, Alabama DNR, last sampled 2025-10-14. Grade methodology: LakeGrade methodology.

Watch Hilc Lake water quality

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

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Murky, only visible to about 3.8 ft. Phosphorus level: 22.5 µg/L. Chlorophyll-a: 16 µg/L. Trophic State Index: 55.

Metric	Value	Grade
Water Clarity (Secchi Depth)	3.8 ft	D
Phosphorus	22.5 µg/L	B
Chlorophyll-a (Algae)	16 µg/L	C
Trophic State Index (TSI)	55	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Hilc Lake

Compare lakeside cabins, hotels, and vacation rentals near Hilc Lake in Calhoun 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.

Top-rated places to stay near Hilc Lake