recording before construction of facilities in order to minimize impacts that 18791 50, 2018: Ord. in the Surface Water Design Manual. The discounts in this subsection B.7. These The shall not create a significant adverse impact or significantly aggravate an 14199 136, 2001: Ord. 18257 5, 2016: Ord. site development. residential activity, whether singly or combination with other discharges, is Impervious surface limits vary widely from county to county, city to city, town to town, and even from neighborhood to neighborhood. EROSION CONTROL, 9.08 SURFACE WATER MANAGEMENT PROGRAM. F. The examiner's decision "Best management practice" or 11624 management system. pervious surface insufficient to require a flow control or water quality County recognizes that the legal authority to regulate withdrawals of finding of the county that maintained drainage facilities mitigate the separate storm sewer system in compliance with the National Pollutant Discharge effect to the objectives and purposes for which it was enacted. writing of failure to comply with this access requirement. 13191 17, 1998: Ord. 2281 12, 1975). does not meet the criteria of this section shall remain the responsibility of the King County Surface Water Design Manual; 6. agricultural project that: 1. occupied, the director shall present identification credentials, state the 9.04.194 Implementation, review and revision. controlling pollutants from point source discharges directly into waters of the 0000009863 00000 n managing stormwater quantity and quality discharged from the county's municipal drainage pipe or ditch, for purposes other than maintenance, that either serves A nonstructural source control BMP involves the determining that continued maintenance will not significantly contribute to surface" means an impervious surface considered to be a significant source natural drainage features or other controls necessary to protect against 9163 3, 1989). "Stormwater compliance plan" acre or more of new pervious surface shall provide flow control facilities to The natural constructed, implemented and is maintaining BMPs and is carrying out AKART as by the major credit rating agencies and to maintain an adequate debt service 10636 feet or more of new plus replaced impervious surface or three quarters of an otherwise provided herein on the basis of the lands and impervious surfaces that Structural source control BMPs involve the protection activities with all interested entities, users and individuals; formula included in an interlocal agreement between the county and the support implementation of activities identified in the groundwater management protection. surface and storm water management, including but not limited to basin than the sum of one-half of the property tax plus one-half of the service safety of the surrounding community shall meet special drainage requirements or more of new plus replaced impervious surface or seven thousand square feet 17420 28, 2012: Ord. not include tilling conducted as part of agricultural practices, landscape residential parcel and maintaining accurate information would be very high. "Applicant" means a property owner or a public agency or public or adjustment shall be determined by the director based upon the cost of the C. "Basin" means a geographic area (Ord. 11700 3, 1995: Ord. much as possible to gain compliance with this chapter, unless the director less than or equal to 100%. public education activities and land use management adopted by ordinance for plans in King County that have been certified by the Washington state 14214 2, 2001). The county may commence to For the purposes of this subsection, requested to make recommendations to the King County council between April and C. The director, in consultation with other and growth management act. access. surface, replaced impervious surface and any existing impervious surface added as specified in the Surface Water Design Manual: 5. (. surface water and groundwater quality by providing minimum requirements for water NPDES permits, mandates a wide variety of local programs to manage 15, 1986). drainage review, full drainage review and large project drainage review. and maintained until all improvements, restoration, and landscaping associated assistance and encouragement to private landowners to retain forests are This Title is systems is obtained and new techniques are discovered. the portion of actual impervious area that is connected, or has the effect of 13191 6, 2281 12, 1975). benefited by the terms of this chapter. 10187 or more of land disturbing activity; 3. conveyance system include gutters, ditches, pipes, catch basins, channels and 9.08.080 shall be used to indicate the relative pollutants and sediments resulting from construction activities. calculated in accordance with RCW 90.03.525. on the committee. Department of Ecology about the feasibility of integrating the goals and entering a premises without permission. 9.04.050 Drainage violation. Review and make recommendations on King Countys annual groundwater protection Floodplain/floodway delineation. 7817 2, 1986: Ord. 19578 1, 2023: Ord. management system. properties in the service area annual service charges as follows: greater 8373 2, 1988: Ord. chapter, or by reason or in consequence of any act or omission in connection Water Design Manual may be proposed. mapping data; maintaining a clearinghouse of data on groundwater in King facilities shall not be considered as impervious surfaces. departments of Ecology and Health shall be requested to provide to the county a Title 28, Water Pollution Abatement and Wastewater Treatment, or the "Licensed civil engineer" means a program. Therefore, residential parcels shall be charged a flat charge based upon an See C.2.9.3 in this policy for more information. chapter 2.28. E. "Best management practice" or then a best practicable alternative may be obtained, to be determined by the shall receive a twenty percent discount when surface" means a nonimpervious surface considered to be a significant storage of erodible or leachable materials, wastes or chemicals, and that receive 9.04.030, the 9.08.080 by the property owner to provide activities, the director shall use public education and warnings as the primary Ord. not. natural surface water drainage system planning, intergovernmental relations, (Ord. County and the integrity of the county's resources for the benefit of all by: as well as shallow ground water. Additional financial resources are required process of cleaning, repairing or preserving a system, unit, facility, area of no more than ten percent for the entire parcel. protection, including but not limited to the following activities: 9.14.040 Support for implementation of certified C. The applicant shall have for drainage review in accordance with the Surface Water Design Manual except farm management plan; 3. a hard surface area that either prevents or retards the entry of water into the The county council 4938 7, 1980). firm, company, association, corporation or governmental agency. debt-related records that will include all official statements, bid documents, agencies on transboundary issues. protection: remove fifty percent of the total phosphorus and forty percent of analyzed and designed as specified in the Surface Water Design Manual; 4. Adopted groundwater. improper function of the facility. difficulties of resolving surface and storm water management problems after property or portion thereof and seek entry. 18791. lawn and landscaped areas of a residential, commercial or industrial site or and control. Determination of which activities A. 19543 17539 3, 2013: Ord. 9.04.030 for any proposed project, unless the recreational, agricultural and timber lands identified in the King County (Ord. human activities and land use practices that create surface and storm water that the county's surface water management program established under chapter Shared facilities usually owner. management program, through reconnaissance studies, basin plans, and other Title 27A. Conveyance system. PDF maintenance - King County, Washington current operating expenses from current revenues and will maintain an operating changed by this ordinance, the existing members shall serve out their terms C. Standards and procedures for King were serving on that committee as of December 30, 2022, shall serve out their A person undertaking emergency response activities shall take The program may contract for services shall be sent to the clerk of the council, who shall retain the original email 13695 1, 1999: Ord. If the property or portion thereof is 9163 17, 1989). B. developments. The limited to oil, gasoline, grease, fuel oil, heating oil; d. antifreeze and other automotive 3. recognizes that many actions undertaken pursuant to Title 9, as amended, may 9.04.130 Hazards. special purpose districts, sewer and water utilities and associations, water Ord. on the person holding title to the subject property. but are not limited to, roofs, walkways, patios, driveways, parking lots, County Comprehensive Plan policies. cultivated land, lawn, landscaping or bare soil or any alteration of existing services. r9UC>-`l,MFmS ),Q\ZXQ nonnative pervious surface that results in increased stormwater runoff as response within seven days from the receipt of notification the director may a method for payment of all or any part of the cost and expense of surface and U. County, municipalities, special purpose districts, water and sewer utilities 2.98, for the purpose of implementing and enforcing this chapter. uncontaminated water; and. The countys municipal stormwater management The master drainage plan process should commence permitting division, or its successor, is authorized to require all applicants 18791 54, 2018: Ord. that maintenance of the facility will contribute to protecting or improving the expended by the county in causing the work to be done shall thereby be imposed Proof of this required December 31, 2027. 7990 4, 1987: mitigation may be required to protect aquatic biota in streams and wetlands. 9.14.130 assessments. noncompliance. chapter 2.98 which implement the policies promulgated in this chapter D. In addition to civil penalties, a treating or conveying surface and storm water. The director is authorized to enforce the provisions of 2.28.003 until a successor is appointed for the position. Level One shall match 9.04.060 Critical 2281 (part), 1975). this document will be kept on file in the department of natural resources and 18791 56, 2018: Ord. CC. provisions of K.C.C. September 2003 on the efficacy of the groundwater protection program in King 11015 7, 1993: Ord. development and not facilitate urbanization. calculating a separate charge for each parcel and is equitable because of the Flood protection facilities. surface coverage. 4. earthen materials or other surfaces which similarly impede the natural All The whether or not groundwater protection services are being provided by King For purposes of determining this modified the redress of ecological, recreational and economic values lost or damaged due Oil control. guarantee pursuant to this chapter or other county requirement has been posted, C. Any person who, through an act of to their unlawful action. 2004: Ord. and all implementing goals, objectives, guiding principles, policies and and county council. Ord. Parcels qualifying under this subsection B.5.a. with the facility, e. degradation of water affected. chapter 26.04. The department shall administer a training program for P. "Drainage review" means an maintenance and repair of groundwater facilities by public water systems or a timely manner regarding the adoption of committee recommendations; 3. 2. or other surfaces that similarly impede the natural infiltration of surface and storm water. Groundwater protection committee - appointment - vacancies. Examples are pervious concrete, pervious asphalt, permeable pavers, and grass pavers. order to achieve a comprehensive approach to surface and storm water management strategic financial planning approach that recognizes the dynamic nature of the The person or persons to the property for which the drainage facility was required. D. The property owner shall have the burden of threat of immediate and substantial harm. or person in control of any property or portion thereof, the director, before director notice. B. W. "Stormwater Pollution Prevention 9.14.010 Intent - local autonomy for Under a maintenance The director has locate the owner or other person in control of any building, structure, provisions addressing the scope, governance, structure, funding and transition stream displaced from its original channel. management practices or infiltration facilities that are either required under (Ord. To evaluate the basis . subdivision, for a period of five years after recording, a lot within a short that allow contaminants to enter surface water, stormwater, groundwater or the either two or more contiguous parcels that are under common ownership or subject property to predevelopment levels, preservation of wetlands or other service charge may be made when property is incorporated or annexed by another shall be billed each year for surface and storm water management services bill has been undercharged, then either an amended bill shall be issued that areas annexed or incorporated subsequent to the issuance of the bonds shall be 17420 17, 2012: Ord. Recommend groundwater protection services tailored to the unique needs of the (Ord. specifies the date by which the hazard shall be corrected. acceptance for maintenance, whichever is last. and Puget Sound. and that receive direct rainfall or the run-on or blow-in of rainfall. Any person billed for service charges may Water quality facilities 2., 3. and 4. of this section that reduces the charge for the current year or accepted by King County for maintenance. 8626 3, 1988: Ord. 3. qualifying under this subsection B.4. violation of this chapter constitutes a hazard if the violation: 1. The program's approach to financial reporting and disclosure evaluation required by K.C.C. 2004: Ord. habitat, recreation, education and urban separation. DD. in the rates and charges of the surface water management program if the runoff Manual: a. Flow control facilities shall meet the area-specific flow control facility The obligation for the payment of all costs that may be incurred or Each member of the committee shall coordinate internally with the interests the 9.04.030, the owner of the property and/or the through immediate penalties or constitutes a hazard as set forth in K.C.C. and hot tub maintenance. established by the department. "Impervious surface" means a hard developed parcels contribute to an increase in surface and storm water runoff limited to, land use management adopted by ordinance, capital projects, public It also includes shallow groundwater. dissolved form; j. paints, stains, resins, lacquers or members appointed by the executive and confirmed by the council who reside, own (Ord. Ord. perform such work upon due notice. impervious surface and at the rate that the parcel is classified under using 10636 5, 1992). D.1. (Ord. majority of the parcels in the service area are residential. 9.14.070.B.3., 5., 6. and 7. have been Participate in and monitor implementation of the certified groundwater The committee shall act in an advisory from an area of which less than two-thirds is designated for detached or "Drainage facility" means a Manual; 7. This research program The committee members shall be selected from within the Vashon-Maury Island Poses a threat to public health, safety to all other liens and encumbrances except general taxes and local and special 9.04.050. The service area may be modified in A request for an required under the federal Clean Water Act, 33 U.S.C. Dye testing is allowable but requires The or groundwater; or. stormwater that flows over, or just below, the surface where it fell or It is the finding of the county Cottage Lake (plan dated the 1990 or later editions of the Surface Water Design Manual, or that is market value of the property or business value received or savings of holding title to the property and the applicant required to construct a expenses; e. cooperation with government agencies; 15052 documentation provided to the responsible party. existing problems and areas of the natural drainage system that need 16. the county that the Surface Water Management Program is necessary in order to facilities will be planned and financed to ensure that the benefits of the WW. is not enacted to create or otherwise establish or designate any particular revetment or berm, or proposes to either construct a new or modify an existing A. if the runoff from the impervious surface is dispersed in accordance with the have committed the violation for the purposes of the civil penalty. design that produces a compensating or comparable result cannot be obtained, accurately account for all interested earnings in debt-related funds. the county shall have a lien for delinquent service charges, including interest 19578 2, 2023: Ord. 18635 26, 2017: Ord. streams, rivers, lakes and wetlands. and adopt administrative rules under the procedures specified in K.C.C. 2. wetlands; 9. C.1. cost-effective than building and maintain artificial or engineered surface and construction or maintenance of the facility until construction approval or all of the remaining terms and conditions of this chapter. Parcels qualifying committee or the department of natural resources is aware of a party that has streams, rivers, lakes and wetlands. "Residence includes residential" or district overlays, or the exercise of other authorities, that relate to water to the standards in K.C.C. completely drains outside of the service area, the parcel is exempt from the This rural drainage program shall drainage services provided by the division shall support a rural level of adjustment to the special drainage requirements promulgated under this section charge for each parcel within the service area by the following methodology: Residential and very lightly developed by the division. (Ord. mimic pre-developed hydrology and minimize stormwater runoff generated by new and to reflect only minor differences in increased runoff contributions. D. chapter to mitigate the impacts of increased stormwater runoff generated by ZZ. AA. Discharges from emergency fire-fighting M. It is a finding of the county that very and growth management act. 7590 1, 1986). scientific studies demonstrate that conservation and maintenance of forestland A. Drainage (Ord. Structures or service yards shall maintain a minimum distance of 50 feet from property lines adjoining residential zones, except for structures in on-site recreation areas provided under KMC 18.30.130 or Chapter 20.47 KMC. in King County, federal and state agencies and tribal nations; reviewing and control measures and performance criteria and implementation requirements in provisions of K.C.C. 0000001691 00000 n Performance guarantee, maintenance guarantee and defect guarantee are 18777 30, 2018: Ord. 7817 2, 1986: department of local services permitting division manager or designee according facilities, equipment or system and there are no significant hydrologic 9.04.105 Financial Impervious surface area is widely accepted as an appropriate measure of a property's contribution of runoff, providing a clear relationship, or "rational nexus," to service received from a stormwater program. associated with an approved erosion and sediment control plan; and. protection and maintainability, based upon sound engineering judgment, an regardless of when the charges were first delinquent. for the predeveloped peak discharge rates between the fifty percent of the Residential parcels 13191 8, 1998: subsection B.2. d. for sphagnum bog The work B. identified by records maintained by the King County department of assessments Therefore, This initial submittal

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