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Florence Floods Pig Manure Pools

Overflowing hog lagoons pose significant health risks (Bob Nichols/USDA)

Despite early optimism from North Carolina Governor Roy Cooper, Hurricane Florence has already triggered one of the worst pig manure spills in the state’s history.

On Wednesday, North Carolina’s environmental agency reported that 21 pig manure lagoons have risen over their banks, and another 36 are on the edge of overflow.

Pig manure from industrial farms is held in large reservoirs, where it’s treated with bacteria and turned into fertilizer that’s sprayed on crops.

Heavy rains have caused those lagoons to spill over several times over the last few decades. In 1999, rain from Hurricane Floyd inundated more than 50 lagoons and washed waste into estuaries, feeding algae blooms and causing enormous fish kills.

Hog industry officials have downplayed the damage, and say the worst has already passed. But rivers have continued to rise through Thursday.

Before the storm, environmental groups have called for least 60 lagoons to be moved from floodplains. Since 1999, the sate has moved about 100 lagoons to safer ground.

North Carolina is the second largest hog-farming state in the country (behind Iowa), with more than 9 million pigs.
Watchdog group Waterkeeper Alliance reported in 2016 that the state produces more than 10 billion pounds of wet animal waste annually.

Animal waste can carry dangerous diseases into waterways, including salmonella, giardia and E. coli, as well as pharmaceuticals.

Earlier this week, the state’s agriculture department reported that flooding killed 3.4 million domestic foul and more than 5,000 pigs. 20,000 more pigs have been moved to higher ground to avoid more deaths.

Read More:

Florence Unleashing A Flood Of Pig Poop On North Carolina (LiveScience)

Hog Manure Is Escaping From 21 Waste Lagoons In North Carolina (Quartz)

Hog Lagoons Stay Contained Amid Pelting Rains, Governor Says (Bloomberg)

Florence Flooding Hits North Carolina Hog Farms Hard (Wal Street Journal)

Chad Bouchard

Chad Bouchard is a veteran reporter and WFIU alum who has covered wild and wooly beats from Indonesia to Capitol Hill. His radio work has aired on NPR, PRI and Voice of America, and his writing has appeared in The Sunday Telegraph and Scientific American’s health magazine, Lives. He has also spent a lifetime gardening, foraging and eating weird stuff.

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