After Labor Day, lifeguards will post a red flag that will stay up through next May, signaling that swimming is not allowed.
Last Day to Swim at Chicago Beaches, Outdoor Pools for Season | CBS Chicago
By rokur
rokur
Production engineer and certified swim coach. Full-time IT consultant, spare-time swimming aficionado. 2 sons, 2 daughters and a wife. President of the Faroe Islands Aquatics Federation. Likes to run :-)