The Eugene Water & Electric Board is directed to collect the charges provided for in sections 6.401 through 6.610. Charges levied pursuant to sections 6.401 through 6.610 shall be determined by the city manager or his/her designee and certified to the Eugene Water & Electric Board and any other water utility obligated to collect such charges. Revenue collected by the Eugene Water & Electric Board shall be paid monthly to the city and shall be deposited in the appropriate fund for wastewater operations or for stormwater operations for use in providing sewer service including debt service and such other services as the council may direct, except that revenue collected based on the criteria contained in subsection (2)(j) of section 6.411 of this code shall be deposited in the appropriate fund for road operations to be used for the reconstruction, repair, maintenance, operation, and preservation of city-owned roads and streets within the city, roads and streets which the city is contractually or legally obligated to operate and maintain, or roads and streets for which the city has accepted responsibility under intergovernmental agreement. Revenue collected based on the criteria contained in subsection (2)(j) of section 6.411 of this code may not be used for capacity-enhancing street improvements.