288 Lake is a shore-entry freshwater site featuring an artificial reef structure. The site maintains a consistent depth of 8 metres and is suitable for beginners due to the lack of current. Visibility is variable, ranging from 1 to 5 metres, which requires divers to maintain close contact with their buddy and navigate using the reef structures. Due to the potential for low visibility and the presence of artificial structures, divers should monitor their equipment closely to avoid entanglement. The site supports a variety of freshwater fish and invertebrates typical of this habitat. Always check locally before visiting to confirm current facility availability.

Lake Longhorn is a freshwater quarry in the Houston area featuring artificial reefs and multiple sunken boats for divers to explore. The site includes underwater training platforms and swim-through structures designed for scuba instruction and practice. Depths range from 9 to 45 metres, with an average of 25 metres. Entry is via the shore, and conditions include mild currents with visibility fluctuating between 2 and 30 metres. Water temperatures vary significantly, from 10°C in winter to 32°C in summer. Facilities on-site include air fills, equipment rental, guided tours, parking, showers, and toilets. Night diving is permitted at this location.

Longhorn Lake is a freshwater site featuring a submerged wreck that functions as an artificial reef. Divers can explore the structure at depths ranging from the surface to 13 metres, with an average depth of 8 metres. The site is accessible via a shore entry and experiences mild currents. Visibility is variable, typically ranging between 1 and 9 metres, and conditions may include cold water and low-visibility environments. Divers should remain aware of potential entanglement risks when navigating the wreck. Facilities available at the site include parking, toilets, showers, a rinse station, air fills, equipment rental, and guided tours. Night diving is permitted at this location.

OTA Pool is a shallow, shore-entry artificial reef located in the Houston Area Quarries. With depths ranging from 1 to 4 metres and an average of 2 metres, it provides a controlled environment for beginner divers. Visibility typically spans 10 to 15 metres, and the water features a mild current. The site includes an overhead environment, requiring divers to maintain neutral buoyancy and exercise caution when navigating enclosed swim-through areas to avoid contact or entanglement. On-site facilities include a dive shop and air fills, supporting multiple dives per visit. Divers should remain aware of their position relative to the overhead structure at all times.

Mammoth Lake is a freshwater quarry located in the Houston Area Quarries, offering a dedicated space for diving activities. The site features various wrecks and artificial reefs, providing structured topography for divers to explore. Depths at the site range from 10 to 20 metres, with an average depth of 11 metres. Entry is via the shore. Visibility typically fluctuates between 2 and 10 metres. Due to the nature of the submerged structures, divers should be aware of potential entanglement hazards and variable visibility. On-site facilities include a cafe, air fills, equipment rental, and guided tours to support diving operations.