Environment & Sustainability | Surface Water Management (Title 13)
84. Stormwater Pollution Prevention Manual. The King County Stormwater Pollution Prevention Manual adopted in accordance with Chapter 2.55 SMC, and supporting documentation referenced or incorporated in the manual, describing best management practices and procedures for existing facilities and existing and new activities not covered by the Surface Water Design Manual.
89. Surface Water Design Manual. The manual, and supporting documentation referenced or incorporated in the manual and addendum, describing surface and stormwater design and analysis requirements, procedures and guidance that has been formally adopted by rule under the procedures in Chapter 2.55 SMC. The Surface Water Design Manual is available from the department of public works or its successor agency. 90. Surface water management fee protocols or “SWM fee protocols”. The surface water management fee standards and procedures that have been formally adopted by rule under the procedures specified in Chapter 2.55 SMC. The SWM fee protocols are available from the department of public works or its successor agency. 91. Treatment BMP. A BMP intended to remove contaminants once they are already contained in stormwater. Examples of treatment BMPs include oil/water separators, biofiltration swales and wetponds. 92. Targeted drainage review. An abbreviated evaluation required by SDC 21.03.050D. for certain types of proposed projects that are not subject to full or large project drainage review. Targeted drainage review may be required for some projects in simplified drainage review. 93. Undeveloped parcel. Any parcel of real property which has not been altered from its natural state by the construction, creation or addition of impervious surface.
85. Subbasin. A geographic area that:
1. Drains to a stream or water body named and noted on common maps; and
2. Is contained within the basin of the stream or water body.
86. Surface and stormwater. Water originating from rainfall and other precipitation that is found on ground surfaces and in drainage facilities, rivers, streams, springs, seeps, ponds, lakes, wetlands, as well as shallow groundwater. 87. Surface water utility. The services provided by the surface water management program, including but not limited to basin planning, facilities maintenance, regulation, financial administration, public involvement, drainage investigation and enforcement, aquatic resource restoration, surface and stormwater quality and environmental monitoring, natural surface water drainage system planning, intergovernmental relations and facility design and construction. 88. Surface and stormwater management system. Constructed drainage facilities and any natural surface water drainage features that do any combination of collection, storing, controlling, treating or conveying surface and stormwater.
94. Unit rate. The dollar amount charged per ESU.
95. Water quality facility. A drainage facility designed to mitigate the impacts of increased pollutants in stormwater
Revisions | June 29, 2022 Effective | January 1, 2022
142 | Title 21: Sammamish Development Code
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