Testing finds extremely high oxybenzone levels at Kahaluu Bay

Visitors swim and snorkel at Kahaluu Beach on Wednesday.

Reef Teach volunteer Susan Menton, left, explains what to look for on a sunscreen ingredient list to Sarah D’Angelo and Anthony Ernst of California Wednesday at Kahaluu Beach. (Photos by Laura Ruminski/West Hawaii Today)

KAILUA-KONA — The Kahaluu Bay Education Center last April commissioned testing to measure bay waters for the presence of oxybenzone, a chemical compound found in sunscreens and known to be harmful to coral ecosystems.