Oyster Bay Harbor turned red earlier this week as the NYSDEC and US FDA partnered to conduct a test on the outfall from the Oyster Bay Sewage Treatment Plant. Its goal: To see if areas where shellfishing is off-limits should shrink or expand. t.co/cneJOZBwXy

That red dye in Oyster Bay Harbor is part of a shellfish protection study

Scientists said they'll track the path of harmless red dye that was injected into treated wastewater to study whether there should be changes to the areas of Oyster Bay Harbor closed to shellfish h...