All persons who shall discharge wastewater (sewage) into the public or sanitary sewer controlled or owned by the Village of Wappingers Falls shall be charged a fee for doing so. Said fee shall be set from time to time by the Mayor and Village Board through the passage of a resolution duly moved. Said fee shall be based upon sewage flow as measured by the village, and all funds received will be expended toward the costs of operating and maintaining said sewer system.