
How Clean Is Tom Lake?
Tom Lake is among the cleanest lakes in Minnesota. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 9 ft. Phosphorus: 8 µg/L. Chlorophyll-a (algae): 4.1 µg/L. Trophic State Index: 41.
Cleanliness Snapshot
| Metric | Tom Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 9 ft | — |
| Phosphorus | 8 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 4.1 µg/L | <10 = clean |
| Trophic State Index | 41 | <50 = clean |
How does Tom Lake compare?
Tom Lake's readings match or beat the Minnesota state average. It ranks #15 of 44 lakes in Cook County on nutrient and algae readings. Multi-year monitoring data shows water quality is declining based on 6 years of records.
Stays via Stay22
Where to stay near Tom Lake
Compare cabins, hotels, and vacation rentals near Tom Lake in Cook County, Minnesota. 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 Tom Lake
Prices for Oct 9–11, 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 Tom Lake?
Get lake water-quality updates plus the best cabin & lodging deals near Tom Lake — straight to your inbox. No spam, unsubscribe anytime.
Watch Tom Lake water quality
Get an email when the clarity or algae readings change. Unsubscribe anytime.