Mussel harvest is paused in New Zealand after rains and sewage spill but safety is assured

Mussel harvests in the Marlborough Sounds could be closed for several weeks following the heavy rain and flooding through the region. Clearwater Mussels co-owner John Young gave the assurance on Wednesday following concerns over contamination of seafood after sewage spilled into the estuary at Havelock on the weekend. The company currently manages 90 green shell mussel farms in the top of the South Island. “We might be closed for a month in Kenepuru Sounds or the lower Pelorus if the rain keeps getting topped up and triggering the bacteria level,” he said. He explained that mussels filtered water and silt, and were sometimes used to clean contaminated areas. “Mussels are incredible creatures in that they're just great big pumps,” he said. “Keep in mind that bacteria can't survive once they're mixed in salt water. By the time we're open for harvesting in this part of the world, any contamination will be long dissipated.” “The environment itself is marvellous at diluting, ...