A hog farm is inundated with floodwaters from Hurricane Florence near Trenton, N.C., Sunday, Sept. 16, 2018. (AP Photo/Steve Helber)
In this Sunday, Sept. 16, 2018 photo. released by Cape Fear River Watch, gray water containing coal ask flows from a ruptured landfill at the L.V. Sutton Power Station in Wilmington, N.C., and flows toward Sutton Lake, near the Cape Fear River. Duke Energy says it's initial estimate is that about 2,000 cubic yards (1,530 cubic meters) of ash were displaced at the landfill, enough to fill about 180 dump trucks. The photo was taken by Kemp Burdette with the Cape Fear River Watch, an environmental advocacy group. (Kemp Burdette/Cape Fear River Watch via AP)
RALEIGH, N.C. — Flooded rivers from Florence’s drenching rains have swamped coal ash dumps and low-lying hog farms, raising pollution concerns as the swollen waterways approach their crests Monday.