Greers Ferry Lake is a large freshwater site covering over 30,000 acres, offering diverse topography including artificial reefs, wrecks, walls, and drop-offs. Depths range from 4 to 60 metres, with an average of 18 metres. Divers should be aware of a heavy thermocline and variable visibility ranging from 1 metre upwards. Water temperatures fluctuate significantly, reaching 24-28°C in summer and 4-13°C in winter. Entry is possible from both shore and boat. Hazards include boat traffic, potential entanglement, and overhead environments. On-site facilities include parking, toilets, showers, changing rooms, rinse stations, air fills, boat charters, and guided tours.

Dam Site is a freshwater location in the United States known for its vertical rock walls and dramatic Swimming Cliffs. The site offers depths ranging from 3 to 60 metres, with an average depth of 6 metres. Divers and snorkellers access the water via the shore. Conditions include mild currents and visibility between 6 and 10 metres. Surface temperatures during summer reach 24 to 28 degrees Celsius, though thermoclines are common at depth, and the water remains cold. Due to the depth and potential for entanglement, this site is suited for intermediate divers. Facilities at the site include parking, toilets, and showers.