If you are looking for casper wy water utilities, please check our official links below: Casper Water Utilities http://www.casperwy.gov/ Payment Locations and Programs (Pay My Bill) - City of Casper https://casperwy.gov/residents/utilities/payment_locations_and_programs__pay_my_bill_ OPTION C: PAY BY PHONE ... Check your balance for FREE by calling 1-844-235-5262. City of Casper Payment Portal...