For Clear Creek County Residents Only. This class is for homeowners who have received county permission to become self-certified to maintain their higher level treatment system. It is a one day course that will cover the basic skills to adequately inspect and service your system. A test will be given at the end of the class, a minimum score of 80% is needed in order to pass. The cost of the class is $300. Please email cpow@cpow.net to register. When registering include your name, mailing address, email address and telephone number.