September 8, 2011

1. Duck River Water Supply Project – A Sustainable Water Supply SolutionCullman Utilities BoardCullman, AlabamaSteve Newton, P.E. - CH2M HILL September 8, 2011

2. "Sustainability means providing an adequate and reliable water supply of desired quality — now and for future generations — in a manner that integrates economic growth, environmental protection and social development.“ • American Water Works Association

4. 25 Feet below Normal Pool December 2007 Lake Catoma

5. Tennessee River TN River – North – 31 miles TN River – East – 30 miles Duck River – 7 miles Smith Lake (B) – 15 miles

6. Duck River Water Supply Project • Located east of Lake Catoma and north of Highway 278 in Cullman County • Create a 640 acre reservoir • Full pool storage of 26,000 acre-ft

7. Duck River Water Supply Project • Duck River Watershed – 23,347 acres (36.5 square miles) • Dam, spillway, lake and buffers – 1,256 acres – 5.4% of the watershed

8. Major Components of the Duck River Dam Project • 1,925 foot long rock fill dam, 135 feet high designed to withstand the Maximum Credible Earthquake • Spillway in the east abutment designed for the Probable Maximum Flood • Water intake structure and pumping station • Raw water transmission main to the Cullman WTP (approximately 7 miles)

9. Duck River Henderson Branch Spillway Water Intake Structure Dam Duck River Duck River Water Supply Project Cullman, Alabama

10. Design & Construction Phases • Phase I – Water diversion conveyance, clearing & grubbing and dam foundation preparation • Phase II – Spillway, dam and water intake structure/pump station • Phase III – Pipeline from the water intake structure to the Cullman Water Treatment Plant

11. Duck River Water Supply Project Cullman, Alabama

12. Design & Construction Schedule • Project is fully permitted • Funding is complete • Land acquisition and funding activities are underway • Phase I final design is being completed • Phase I Construction – Late 2011 • Phase II Construction – Winter 2012 • Phase III Construction – Spring 2013 • Project Completion & initiate reservoir filling – Summer 2015

13. Sustainable attributes of the Duck River Water Supply Project • Tactical – Meet the emergency water supply needs of the region

14. Sustainable attributes of the Duck River Water Supply Project • Tactical – Meet the emergency water supply needs of the region • Strategic – Meet the future water supply needs of the region • Most Cost-effective Solution • Construction – utilize onsite material for construction • Energy • Operations & Maintenance • Water Supply Integration with Lake Catoma – Same ecosystem which allows for optimization of raw water sources

15. Integrated Water Supply Solution

16. Sustainable attributes of the Duck River Water Supply Project • Tactical – Meet the emergency water supply needs of the region • Strategic – Meet the future water supply needs of the region • Most Cost-effective Solution • Construction – utilize onsite rock for dam construction • Energy • Operations & Maintenance • Water Supply Integration with Lake Catoma – Same ecosystem which allows for optimization of raw water sources • Environmental – integrated with the watershed management plan and required minimum flows downstream • Social Benefits – Provide water for growth and recreational opportunities for the community

17. Duck River Water Supply Project • Provide a significant boost to the local economy during construction • Sends the message to local and perspective industries that Cullman is prepared to meet the future water needs • An overall sustainable solution for the region

18. "Sustainability means providing an adequate and reliable water supply of desired quality — now and for future generations — in a manner that integrates economic growth, environmental protection and social development.“ • American Water Works Association

19. Questions?