20220233 SSUUSTSTAAINAINABBILITILITY REY REPPORORTT Prospect Lake Clean Water Center, Florida Message from Management In 2023, Kiewit Water Facilities Florida Co. was selected to design and build the Prospect Lake 1. Overview Clean Water Center in Fort Lauderdale, Florida. A groundbreaking ceremony took place in early 2024. About Kiewit Sustainability at Kiewit This new water treatment plant will deliver the majority of fresh water for the city and replace Our Projects an existing 70-year-old plant. It will feature state-of-the-art technology and produce 50 million 2. Governance gallons of water per day. It’s also designed to Corporate Governance withstand a Category 5 hurricane. Construction is Supply Chain expected to be complete by 2026. 3. Environmental Environmental Stewardship Salton Sea Species Conservation Habitat, California Greenhouse Gases & At the Salton Sea, California’s largest lake, drought and will have been covered, suppressing dust, and providing Energy Consumption evolving water agreements have caused water levels to much-needed habitat for wildlife. recede and salinity to increase. More lakebed is being 4. Social exposed, impacting both wildlife and humans. Fewer fish Excavated material was used to build embankments can survive in the saltier water, reducing the available and form a wetland habitat. The habitat includes three Health & Safety food source for birds, and increased dust from the large ponds of varying water levels, ranging from a few Diversity, Equity & Inclusion exposed lakebed causes harmful pollution. To address inches to 10 feet. A new diversion structure diverts water Talent & Workforce these concerns, the Salton Sea Management Program from the New River to mixing basins, where it is mixed Development (SSMP) was created as part of California’s strategic plan with water that’s pumped from the Salton Sea, before Community Engagement to improve environmental conditions at the Salton Sea. entering the habitat’s ponds. Appendix Kiewit Infrastructure West Co. is the design-build contractor for the Species Conservation Habitat (SCH), the first of many projects in the SSMP. Read more about the Salton Sea Species When the SCH project is complete, 4,000 acres of Conservation Habitat in Kieways exposed lakebed at the southern end of the Salton Sea 15151515