Pack up your towel, put on your sunglasses, and grab your sunscreen—it’s officially lake season in Minnesota. As the sun shines and humidity levels rise, nothing takes the edge off like a day at the beach. Of all the state’s proverbial 10,000 lakes, how will you choose which to dive into? Not all our lakes and rivers are created equal; some are best for boating and paddling, while others are not suited for swimming at all.