Section 454. Power to impose other charges

Subject to the provisions of
  section eight of this chapter, the establishment and imposition of sewer
  rents shall not prevent the use of other revenues of the  city,  village
  or county or town sewer district for the payment of a part of the costs,
  for  any fiscal year, of operation, maintenance and repairs of the sewer
  system or any part or parts thereof for  which  sewer  rents  have  been
  established   and  imposed  or  for  the  payment  of  interest  on  and
  amortization of, or payment of, indebtedness therefor.