The Minnesota Department of Transportation (MnDOT) is exploring innovative ways to filter pollutants from stormwater runoff and meet permit requirements for construction projects. In a recent study, U of M researchers documented the performance of an iron-enhanced ditch check filter to remove phosphates from stormwater. They found that the filter was effective, though its performance decreased over time.
DENVER — A multibillion-dollar reservoir and pipeline project may one day pull more than 50,000 acre-feet of water per year from the South Platte River before it reaches Nebraska. That’s more than 16 billion gallons of water, enough to fill 25,000 Olympic-sized swimming pools.
The safety and health of all those who work in construction remains the top priority for the National Association of Home Builders (NAHB). The industry continues to adhere to all public health guidelines set forth by OSHA and the CDC. Work on a new unfinished home site occurs primarily outdoors and does not involve going onto a location occupied by residents or a public location, and there is minimal (if any) physical or transactional contact with customers.
In southern Italy, the pristinely preserved remains of the ancient Roman city of Pompeii have mystified historians and archaeologists since they were rediscovered nearly 300 years ago. Ongoing expeditions continue to reveal new details about the city and its people, believed to have been decimated by the sudden eruption of nearby Mount Vesuvius around 79 CE.
MARBLE — The U.S. Army Corps of Engineers has determined that the operators of a local marble quarry violated the Clean Water Act when they diverted a tributary of the Crystal River to make way for a mining road.