The City of Walnut is now accepting online credit card payments and eCheck payments. Simply click on Utility Payments on the left hand side of the home page and follow the link. Credit cards that are being accepted are Visa, MasterCard, Discover and American Express. There is a flat fee included with all transactions, credit card or eCheck, of $1.50 and a 2.35% fee is also included with all credit card payments. You may also pay by credit card at City Hall. If you have any questions, please feel free to give us a call at City Hall, 712-784-3443.