Skip to main content
LakeQuality

Carlyle Lake is algae-prone, with a higher bloom risk in warm months. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 1.8 ft. Phosphorus: 238.5 µg/L. Chlorophyll-a (algae): 38.8 µg/L. Trophic State Index: 73.

Cleanliness Snapshot

MetricCarlyle LakeIllinois avg
Water Clarity (Secchi)1.8 ft—
Phosphorus238.5 µg/L<30 = clean
Chlorophyll-a (Algae)38.8 µg/L<10 = clean
Trophic State Index73<50 = clean

How does Carlyle Lake compare?

Carlyle Lake's readings run above the Illinois state average. It ranks #1 of 1 lakes in Clinton County on nutrient and algae readings.

Stays via Stay22

Where to stay near Carlyle Lake

Compare cabins, hotels, and vacation rentals near Carlyle Lake in Clinton County, Illinois. Live availability and prices for your nights. Switch the map to Satellite to see how close each stay is to the water.

Top-rated places to stay near Carlyle Lake

Prices for Oct 23–25, 4 adults. Change dates on the map below.

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 trip to Carlyle Lake?

Get lake water-quality updates plus the best cabin & lodging deals near Carlyle Lake — straight to your inbox. No spam, unsubscribe anytime.

Watch Carlyle Lake water quality

Get an email when the clarity or algae readings change. Unsubscribe anytime.

More on Carlyle Lake