A state agency involved in the restoration of the historic Everglades voted Thursday to spend $6 million on a water quality treatment component to the Caloosahatchee River reservoir, often called C-43.

A state agency involved in the restoration of the historic Everglades voted Thursday to spend $6 million on a water quality treatment component to the Caloosahatchee River reservoir, often called C-43.

"It's somewhat concerning that we're trying to treat (it) with chemicals," said Mark Perry, director the Florida Oceanographic Society. "We need to address the water quality issues at the source and before they get to these structures. Hopefully we can find a way that doesn't use chemicals repeatedly."