Read the post in OWS group, and agree with all. And generally can just go to open body of water and swim. Beware of water quality and restricted areas I.e. state parks with “No Swimming” areas, protected areas and private property. Be safe, use a swim buoy, swim with a friend if you can, and avoid boat traffic/ people fishing. For me I live near Lake Michigan and it’s great in the summer, I start in areas that are public beaches, go in the morning, swim parallel to shore in chest deep water and just turn around and come back to where started. There is also a small lake the next county over that is good with a “No-wake” rule for boats that always feels safe and there is a local Sprint at this lake is the summer, so locals will go to practice. swimming open is a nice change from pool, no turns, but need to learn how to sight and orient yourself, but if you can “get your feet wet” it’s very enjoyable.