These communities treat the passing stormwater more than just the sand alone because they digest and remove dissolved metals and nutrients. A final design consideration is an emergency spillway or ...

GRIFTON — Officials plan to hire a lobbyist to help convince state lawmakers that a $3 million project to improve stormwater drainage ... and install an emergency spillway for drainage into ...

HARRISBURG, S.D. (KELO) — The spillway replacement project at the Lake Alvin Recreation Area south of Sioux Falls is nearing its completion. It’s a case of out with the old, in with the new at ...

Some councillors would like to see adjustments to Truro’s stormwater management system after the heavy rainfall in the Truro area on the weekend of July 6 and 7. At the council meeting on July 8, Ward ...

A spillway opening can be triggered to keep river flow below 1.25 million cubic feet per second, which the Corps says tends to correlate to 17 feet on the Carrolton gauge. National Weather Service ...