This is demonstration online payment website for a fictional customer, Riggin Water District #18. If you have any questions or issues with this payment website, please click on the support link below to send an email. If you have a question about your customer account with us, please call us (Retail Lockbox Merchant Services) during regular business hours at (206) 624-2871. Payments made via this website should be submitted at least three business days before the due date to avoid an interruption in service and/or late fees.