Stricter pollution rules could kill Xcel Energy's plan for fly-ash site

It's taken more than three years to hash out, but new rules requiring safer locations for future landfills in Minnesota are heading into the home stretch.

The regulations, which still need final approvals, would place tighter restrictions on where industrial and municipal landfills could be built and would limit taxpayer exposure if things go wrong. . . .

Expected to affect a couple of proposals a year, the rules would bar new landfills from areas where groundwater could move contaminants quickly, and would make it more difficult in areas containing karst, a porous limestone.

Read more in the St. Paul Pioneer Press.