A. 
Users are billed through the water company, on monthly or quarterly cycles. Any payment not received within 30 days of billing date is delinquent.
B. 
A late payment penalty percentage as prescribed by 36 M.R.S.A. § 505.4 (Delinquent Tax Rates, published by Maine Office of the State Treasurer) of the user charge bill will be added to each delinquent bill for each 30 days or portion thereof of delinquency.
C. 
When any bill (including interest and penalty) remains unpaid for one year after the date due, such bill is subject to lien proceedings under law. If any such lien (including interest and penalty) remains unpaid for a period of 18 months after the date of recordation, such property shall be subject to sale procedures authorized by law. See 30-A MRS § 3406, or its successor.
D. 
The City may recover any outstanding balance by any other method authorized by law. As part of the costs of recovering any outstanding balance, the City is entitled to an award of reasonable attorney fees.