South Shore Chalk Cliffs is a freshwater site located at Lewis and Clark Lake, characterised by towering Niobrara chalk and Carlisle shale cliffs. The underwater topography consists of rocky structures that provide habitat for local aquatic life. Access to this site requires a boat. Conditions vary, with depths ranging from 5 to 14 metres and an average depth of 7 metres. Visibility is limited, typically between 1 and 5 metres, and currents are generally mild. This site is suited for intermediate snorkellers looking to explore the unique geological formations along the shoreline.

Nebraska Tailwaters is a freshwater dive site situated in the Missouri River directly below Gavins Point Dam. The site is characterised by strong currents and requires advanced diving skills. Divers should be aware of significant thermoclines, as water temperatures drop sharply between 15 and 60 feet deep, despite summer surface temperatures reaching 70 degrees Fahrenheit. Shore entry is available, and the area provides facilities including parking, toilets, and showers. Due to the presence of boat traffic and potential entanglement hazards, divers must exercise caution. Guided tours are available for those navigating this river environment.

Bloomfield is a freshwater dive site located in the United States near Lewis and Clark Lake. Situated further up-reservoir, the site is prone to sedimentation, which can result in low visibility. Divers access the water via a shore entry. The site is suitable for beginners, with depths ranging from 1 to 14 metres and an average depth of 5 metres. Currents are generally mild. Water temperatures vary significantly, ranging from 2 to 8 degrees Celsius in April to 20 to 28 degrees Celsius during the summer months. Facilities available at the site include parking, toilets, and showers. Snorkelling is possible but limited due to the sedimentation.