Lake Ontario boaters may soon have to take their on-board sewage to pump-out stations, rather than dump it in the lake.

The U.S. Environmental Protection Agency is preparing to give tentative approvals to a state plan that would prohibit boaters from dumping waste materials into the waterway, Sen. Charles Schumer, D-N.Y., said in a statement Monday.

Schumer visited Durand-Eastman beach in June to throw his support behind the Department of Environmental Conservation plan for a “no-discharge zone” that would help keep pathogens, toxins and plant nutrients out of the lake.