On a later screen, after you click on 'checkout', you'll choose to pay by either e-check or by credit card. You can save time and a little money on the convenience fees when you pre-pay for future bills by adding extra funds to the total due on your current water bill. If you have questions, please see shannonwater.org 'Pre-pay FAQ'. Water bills are due on the last day of the month. Please note that a partial payment of your water bill may result in late fees, see shannonwater.org 'Fee Schedule' for details.