Environment & Sustainability | Surface Water Management (Title 13)
2. Purpose
drainage facilities; and to provide for the comprehensive management and administration of surface and stormwater.
The purpose is to promote public health, safety and welfare by establishing and operating a comprehensive approach to surface and stormwater problems which would reduce flooding, erosion and sedimentation, prevent and mitigate habitat loss, enhance groundwater recharge and prevent water quality degradation. This comprehensive approach includes the following elements: basin planning, land use regulation, construction of facilities, maintenance, public education, and provision of surface and stormwater management services. The most cost effective and beneficial approach to surface and stormwater management is through preventative actions and protection of the natural drainage system. In approaching surface and stormwater problems, the surface water management program shall give priority to methods which provide protection or enhancement of the natural surface water drainage system over means which primarily involve construction of new drainage facilities or systems. The purpose of the rates and charges established herein is to provide a method for payment of all or any part of the cost and expense of surface and stormwater management services or to pay or secure the payment of all or any portion of any issue of general obligation or revenue bonds issued for such services. These rates and charges are necessary in order to promote the public health, safety and welfare by minimizing uncontrolled surface and stormwater, erosion, and water pollution; to preserve and utilize the many values of the City’s natural drainage system including water quality, open space, fish and wildlife habitat, recreation, education, urban separation and
3. Applicability
a. Developed parcels within the service area shall be billed each year for surface and stormwater management services pursuant to RCW 36.89.080. Surface and stormwater management services or service charges, or both, shall be imposed on developed parcels lying within cities and towns when the services or charges, or both, have been provided for by interlocal agreements between the City and the cities or towns. That portion of the rates or charges allocated to payment of debt service on revenue or general obligation bonds issued to finance stormwater control facilities in areas annexed or incorporated subsequent to the issuance of the bonds shall be imposed as set forth in this chapter. b. The service area shall be the corporate City limits of the City of Sammamish.
4. Rate structure
a. Service charges for the surface water utility fee are hereby authorized and imposed, in amounts and on terms consistent with this chapter. b. The rates and service charges shall be based on the service provided and the relative contribution of stormwater runoff from a given parcel to the stormwater control facilities. The estimated or measured impervious surface area will be used to determine the relative contribution of stormwater runoff from the parcel.
Revisions | June 29, 2022 Effective | January 1, 2022
154 | Title 21: Sammamish Development Code
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