1. Upgrades of existing water services shall be treated as new water services for the purpose of this section.
2. Customers whose premises are not classified as single-family residential shall complete and return a “Water Usage Inventory” to Des Moines Water Works to be used to determine the degree of hazard of the facility.
3. Des Moines Water Works shall, on the basis of information received from the Water Usage Inventory or gathered through on-site investigations or surveys, determine the degree of hazard and type of backflow prevention assembly required for containment.
4. Within the time frame specified in writing by Des Moines Water Works, the customer shall install a backflow prevention assembly for containment.
5. For existing water services, Des Moines Water Works may inspect the premises to determine the degree of hazard. When high hazard cross connections are present, Des Moines Water Works shall assign a deadline for the installation of a backflow prevention assembly for containment.
6. Failure of the customer to install a backflow prevention assembly by the deadline as required will result in termination of the water service until the installation is complete.
7. Failure of Des Moines Water Works to notify a customer that a high hazard cross connection exists and that a backflow prevention assemblies for containment must be installed in no way relieves a customer of the responsibility to comply with all requirements of this section.