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A. The customer classes and rates below are based upon the cost of services provided by the storm utility. The storm water rates shall be as set forth in Table 13.48.100-1.

Table 13.48.100-1. 

ESU1 Rate per Month

Customer Class

Effective January 1, 2023

Effective January 1, 2024

Effective January 1, 2025

Single-Family Residential Parcels and Two-Family Residential Parcels

$ 16.95

$ 18.09

$ 19.31


$ 16.95

$ 18.09

$ 19.31

Non-Single-Family with Detention

$ 14.59

$ 15.57

$ 16.62

Non-Single-Family with Retention

$ 12.22

$ 13.04

$ 13.92

Non-Single-Family with Water Quality Treatment

$ 15.59

$ 16.64

$ 17.76

Non-Single-Family with Detention and Water Quality Treatment

$ 13.23

$ 14.12

$ 15.07

Non-Single-Family with Retention and Water Quality Treatment

$ 10.86

$ 11.59

$ 12.37

1An “equivalent service unit (ESU)” is defined in ACC 13.48.010 as 2,600 square feet of impervious surface.

The customer classes set forth in this subsection shall be applicable only if the qualifying on-site facilities have met applicable city standards upon installation, have received city approval of construction, and are in conformity with the applicable operations and maintenance standards. If the city determines that the operation and maintenance standards are not being complied with, the customer class shall be determined to be that of non-single-family only, until operation and maintenance of the facilities meet city standards. The customer being billed may apply in writing for a system inspection. If the inspection shows that the facilities meet city standards, the customer will be reclassified to the previous class.

B. Developed Parcels. Only developed parcels containing impervious surfaces as defined in ACC 13.48.010 shall be charged.

C. Multiple Class Accounts. When a developed non-single-family parcel contains more than one customer class, the appropriate rate for each customer class will be calculated, and the aggregate total summed for billing. (Ord. 6883 § 3 (Exh. C), 2022; Ord. 6690 § 4 (Exh. C), 2018.)