14.09.100 Credits allowed.
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A reduction in the rates described herein may be granted for the following reasons and purposes:
A. Multifamily, commercial and industrial accounts may receive a 50 percent rate reduction if the affected property either meets or exceeds the water quantity and water quality requirements established by the Stormwater Manual or city ordinance, whichever is more restrictive, applicable to civil plan approval of new development or redevelopment. In order to be eligible for such discounts, an applicant must submit the following:
1. Stormwater quantity and quality facilities site plan; and
2. Report prepared by a professional registered civil engineer verifying by appropriate calculations that the facilities meet or exceed the requirements of the Stormwater Manual applicable to civil plan approval of new development or redevelopment.
3. Documentation that an existing water quality or quantity facility is properly maintained in accordance with the applicable requirements of the Stormwater Manual as defined in VMC 14.25.105. Failure to provide documentation demonstrating proper maintenance may result in revocation of credits.
B. Properties with facilities that provide water quality treatment to publicly owned property or right-of-way and which have been identified in the surface water program as facilities of basin or system-wide importance may be eligible for a percentage reduction in the surface water charge.
C. Accounts identified for special rates in VMC 14.09.060(D), (F) and (G) shall not be eligible for additional credits allowed herein.
D. Properties relying on publicly owned or maintained stormwater facilities for water quality or quantity treatment shall not be eligible for credits.
E. Rainwater harvesting credits. Pursuant to RCW 35.67.020, accounts not eligible for any other credit allowed herein shall be eligible for a 10 percent reduction in the monthly charge for any new or remodeled commercial building that utilizes a permissive rainwater harvesting system. Rainwater harvesting systems shall be properly sized to utilize the available roof surface of the building(s). The reduced rate shall apply only to the portion of the site impervious area draining to the rainwater harvesting system. (Ord. M-4359 § 3, 2021; Ord. M-4022 § 46, 2012; Ord. M-3145 § 1, 1994)