| OCR Text |
Show Table 1- 7 Diking and Structure Improvements to Protect Resources Facility Type of Facility Lake Level Protection Action Taken/ Options to Protect or Improve Dikes Cost Limitations to Dike or Structure Improvements Davis County Public Works ( Antelope Island Causeway) Recreation / local 4206- 4208 Could raise dike to 4212' $ 3- 5 million Still vulnerable to high maintenance costs, causeway damage and road closures at high lake levels Weber County local 4210 No plans Dikes don't protect against salt water intrusion into river, rise in groundwater, or against reduced drainage capacity in river and stream channels. IMC Kalium Mineral 4205- 4213 Perimeter dikes for potash pond dikes have been built to 4212. Could raise dikes in east ponds to 4212 Has spent $ 15million; additional cost is $ 3 million/ foot increase from 4208 for east ponds. Cost; Dikes must be raised in increments over time to be stable. Magnesium Corporation Mineral 4207- 4208 Could raise dikes to 4210 Could raise dikes to 4215 Could raise dikes to 4220 $ 8- 15 million $ 25- 40 million $ 50- 100 million Captital costs Cargill Salt Mineral 4210 Relies on MagCorp's dikes Invested $ 5 million in MagCorp's southern dikes. Settlement of dikes over time. Union Pacific RR Railroad 4209- 4210 Could raise causeway to 4212 Continued settlement Division of Wildlife Resources Wildlife 4205- 4208 Could raise dikes and install pumps to make ponds flood- proof. $ 150 million Cost; Benefits to wildlife areas of periodic flooding. Ambassador Duck Club Wildlife 4205- 4208 Dikes are to hold fresh water, not keep out salt water |
