Folsom Lake is a freshwater site offering both shore and boat access for divers and snorkellers. The topography features depths ranging from 2 to 30 metres, with an average depth of 10 metres. Conditions include mild currents and visibility between 3 and 9 metres. Divers should be aware of steep thermoclines, as temperatures drop significantly below 5 to 6 metres. Hazards include deep water, potential entanglement, low visibility, and strong currents. The site is suitable for beginners, with typical dives lasting around 70 minutes. The habitat supports various temperate freshwater fish and invertebrates. Facilities at the site include parking, toilets, and showers.

Black Miners Bar, located on the American River, is a freshwater drift dive site suited for intermediate divers. The site features rock formations and requires a 7mm wetsuit to manage cold water temperatures, which typically range between 10 and 15 degrees Celsius. Divers should be prepared for moderate currents and variable visibility, which can fluctuate between 2 and 6 metres. Access is via the shore, and the site provides parking and toilet facilities. Due to the nature of the river environment, divers must remain aware of potential hazards including down currents, entanglement risks, and low visibility conditions.