Annual Sewer Debt Charges Annual. debt charges through 1990 approx. $158,000 Less approx. debt charges re: Broadway extension - not residential (28,000) Trunk lines in original construction (30,000) Recovery from GVS and DD ( 9,400) Portion of sewerage grant applicable to City debt (36,400) Plus estimated portion of sewage grant which ‘applies to Broadway extension and original trunk lines. 13,500 r aa Annual debt charges applicable to the City installed user $ 67,700