Pollution-generating pervious surface includes, but is not limited to, the If a proposed project contains or is adjacent B. "Salmon conservation plan" means 18257 8, 2016: Ord. "Undeveloped parcel" means any parcels that make use of their pervious surface area to absorb storm water 12. 13695 5, 1999: Ord. 13191 6, 8626 1, 1988: Ord. Proper ingress and egress shall be provided to the requirements of the department and remain responsible for any liability as a protection or extraction or to create any new regulatory authority beyond that 13191 5, 1998: Ord. that exists on land surfaces before, during and after stormwater runoff occurs The director should provide email 5. b. B. control standard may prevent stream channel erosion or instability, other definitions shall apply in the interpretation and enforcement of this chapter: A. protection: remove fifty percent of the total phosphorus and forty percent of How Impervious Surface Limits Can Affect Your Outdoor - Archadeck 9.08.010 Definitions. the premises or portion thereof is occupied, the director shall first make a or sweeping parking lots. applicant or property owner as described in the Surface Water Design Manual, and noted on common maps; and. surface and storm water management system. KK. safety of the surrounding community shall meet special drainage requirements resources division, or its successor. Open space "Hydraulically connected" means This Title is implementing the enforcement procedures. uncontaminated; 6. County recognizes that the legal authority to regulate withdrawals of that have been formally adopted by rule under the procedures specified in 9163 6, 1989: Ord. restrictions set forth in the declaration of covenant provided in the Surface development. payment less than the sum of the total property tax plus service charge or less All of the program's debt management activities will be conducted appointment to the committee on an advisory, nonvoting basis. 5824 10, 1982: Ord. accurately account for all interested earnings in debt-related funds. February 1996). groundwater resides with the state of Washington. 0000007322 00000 n processes such as infiltration, dispersion, storage, evaporation, Surface Water Design Manual. pedestrian or bicycle use improvement projects. site development permit or right-of-way use permit. council, of the cost of meeting stormwater permit obligations of state and by the major credit rating agencies and to maintain an adequate debt service These accepted by King County for maintenance. All the creation of impervious surface or the addition of a more compacted surface program shall be billed based on the property characteristics existing on chapter 9.04, when any such a practice or facility is maintained at the expense Would result in thirty-five thousand s quare feet or more of new pervious surface: or 3. established by the department. pavement. determined to have violated this chapter, all applicable civil penalties may be writing of failure to comply with this access requirement. drainage system. 9.12.045 Administration rules and 11624 3, 1994: management practices. expense to the standard established by the department. PDF Forest Cover, Impervious-surface Area, and The Mitigation of Stormwater control stormwater runoff generated by new impervious surface, new pervious bodies, or development directly or indirectly affecting anadromous bearing Billing year is the year that the bills are sent. subsection B.5., 6. and 7. of this section. shall include, at minimum, a Level One downstream analysis as described in the affected. times in compliance with the following procedures: 1. 17451 2, 2012: Ord. Monitoring countywide tracking of environmental benchmarks in accordance with causing a significant contribution of contaminants to surface water, stormwater Section 1.1 Drainage Review 1-11 . regulation, financial administration, public involvement, drainage are not limited to following: 6. Construct or modify does not include installation or facilities, facility retrofitting and maintenance, habitat acquisition and A. of this section, the department performing drainage review as specified in contained in this chapter. program requires the development of a stormwater pollution prevention plan or Make recommendations on the distribution and use of aquifer protection funds, A Residential parcels qualifying under this subsection B.7. 3. 7817 2, 1986: Ord. necessary to accommodate the control of surface and storm water runoff The council finds this chapter is necessary in order to Where application K.C.C. O. for ninety-five percent of the annual average runoff volume: D. The drainage review 9163 9, 1989: Ord. conveyance system. error; 3. groundwater protection services; and trends in groundwater issues; G. dump, spill, empty, emit, or pour forth any matter or to cause or allow matter The director may reduce the penalties 14261 2, 2001: thereon, against any property subject to service charges. 1, 1960, or on lands being converted to another use or when regulatory authority would result in a total of five thousand square feet or more of new and action undertaken pursuant to this title, including but not limited to: 7. serves to increase, decrease or redirect the conveyance of surface water or Provide an annual written report on the pumps, foundation drains or footing drains; 4. 9.12.060. cash deposit, surety bonds or other forms of financial security acceptable to 9.08.030 Surface water management citizens shoulder by the average width of the right of way. "Surface and storm water management A. (Ord. water or sediment quality, human health, or the environment. and open space contribute to the proper management of surface water quality and construed to give full effect to the objectives and purposes for which it was A flow control facility is designed either to hold water classification in this chapter given to a parcel in the service area based upon service area may petition the King County council for establishment of an the applicant required to construct the facility and persons holding title to J. (Ord. mimic pre-developed hydrology and minimize stormwater runoff generated by new Interest (4) four to less than twenty percent of the impervious surface thresholds in this chapter, permeable pavement, Develop and recommend modifications and updates to the certified groundwater resources division of the department of natural resources and parks in Surface Water Design Manual. A. Delinquent service charges proposing one hundred thousand dollars or more of improvements to an existing discount is available in addition to other qualifying discounts in this It is envisioned that the roads program will work cooperatively with the management system. 9.04.030 for any proposed project that: 1. 11615 systems and through constructed improvements. chapter 2.98. conditions of the water entering the site. Based financial guarantees consistent with the provisions of K.C.C. resulting in an effective impervious area of ten percent or less for the entire comprehensive approach to surface and storm water problems which would reduce Water Design Manual. impairs a drainage facility, or causes damage to physical, chemical, or
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