The authority herein granted to issue revenue bonds and to levy and collect charges is for the specific object and purpose of providing state funds to supplement grants made pursuant to Federal Water Quality Administration requirements to any political subdivision of this state that provides sanitary sewerage collection and/or treatment facilities to its citizens and the revenues accruing to the state under the provisions hereof are dedicated solely for the purpose of supplementing such grant offers either through the funding thereof as above provided or through cash expenditures.
La. Public Health and Safety § 40:2326