A final design consideration is an emergency spillway or diversion structure. The total retention volume of these filters should be designed to treat the surface runoff of a particular design storm ...

Under the watch, Polk County Emergency Management officials will necessitate ongoing monitoring and evaluation of the spillway’s integrity along with the implementation of necessary repairs and ...

All the precipitation the area has gotten this year means it will be slow going on some areas of Lake Minnetonka. A high water declaration went into effect at 1 p.m. on Friday, May 31. This means ...