Convenience fees funded by the PAYER Non-Tax Payments (e.g. Water, Sewer, Permits, Registration Fees) Visa, Mastercard, Discover, and Amex - credit cards $0.50 + 3.5% per transaction Visa, Mastercard, Discover, and Amex - debit cards $0.50 + 3.5% per transaction ACH / Electronic Checks $1.57 + 2.8% per transaction The convenience fee for ACH /...