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Callville Bay WateringThe National Park Service (NPS) contracted with Marcon Engineering (Marcon) to complete an expansion of the existing wastewater treatment plant facility at Callville Bay located approximately 30 miles east of Las Vegas in the Lake Mead National Recreation Area. The expansion included the construction of two additional lagoon treatment ponds, and the retrofitting of three existing ponds.

Under contract to Marcon, SBCC's portion of the project included:

Callville Bay Pond 1 Callville Bay Pond 2 Marcon Recommendation Letter