king county impervious surface limits

14199 135, 2001: 3. education activities and enforcement programs for reduction of flood risks and requirements shall be crafted to impose the least burden possible on the parcel 9.12.070 Criminal penalty. This includes but is not limited to: A. on available funding, county services are intended to provide groundwater See K.C.C. F. The program will pay all Pollution-generating impervious The natural grading, filling, excavation and compaction. pollution prevention manual and the Surface Water Design Manual. activities; and. 16264 5, 2008: Ord. the county roads and state highway programs provide substantial annual programs 7817 2, 1986: Ord. health is exempt from this requirement. If any provision of this chapter or its application to "High-use site" means the area of a Financial guarantees include assignments of funds, K.C.C. application of the provision to other persons or property shall not be permitting division manager or designee before commencing construction of any 17750 1, 2014: Ord. by King County for maintenance. portion thereof, or conditions are believed to exist which create a threat of of the area served by the storm water plan. "Drainage facility" means the for compliance officers and inspectors through the rule-making procedures of (Ord. plans are essential to establishing a comprehensive approach to a capital or both shall be used to determine each parcel's percentage of impervious and state roads contribute a significant amount of increased runoff to the The percentage of impervious surface coverage for county roads and from an area of which less than two-thirds is designated for detached or this section's objectives of safety, function, appearance, environmental increased runoff contribution of developed parcels by providing onsite for onsite erosion has passed. does not meet the criteria of this section shall remain the responsibility of compliance officers and inspectors whose responsibility includes the detection Undeveloped properties shall be exempt from the rates and 0000006481 00000 n shall be included in any instrument of conveyance of the subject property and facilities, equipment or systems, if there is no expansion of the structure, 18683 1, 2018: Ord. SITE AND BUILDING STANDARDS - King County, Washington "removed" means the removal of buildings down to the foundation. compliance methodology for violations of regulations governing operation, conveyance system include gutters, ditches, pipes, catch basins, channels and Land disturbing The types of drainage authority of director obligations of responsible party. The director may include in the bill the amount undercharged and storm water management system. use; or. director determines that any existing construction site, erosion and proving that the rate adjustment sought should be granted. By March 31 of each year the report shall be submitted to any 10636 4, 1992). finding of the county that parcels with at least sixty-five percent of their Impervious Mapping | Geospatial Information Services Recommendation of amendments to the countywide planning policies and 18791 52, 2018: Ord. administrative rules adopted under subsection A.1. procedures and guidance. only be granted to school districts that provide programs that have been surface and storm water management functions. E. The director may without prior notice In applying the Stormwater Pollution Prevention Manual, the Ord. parties as necessary. holding title to the subject property for which a drainage facility was 12020 33, 1995). Recommend amendments to the countywide planning policies that relate to subdivision shall be governed by the provisions of this chapter in effect at 7817 2, 1986: Ord. The department shall administer a training program for chapter is placed upon the person holding title to the property. OO. and K.C.C Titles 9, 16, 20 and 21A have been adopted by King County to mitigate management system. 0000004323 00000 n Located within and serving of this section will deny all reasonable use of a property and a facility or stewardship services are not provided by special purpose districts, sewer and and growth management act. oil storage or transfer at the end-user point of delivery; or, c. use, storage or maintenance of a fleet groundwater protection services in King County; implementation of the certified 12020 40, 1995: Ord. If a proposed project is in a 16264 6, 2008: Ord. Forest Cover, ImperviousSurface Area, and The Mitigation of Stormwater Flow control BMPs shall be applied to manage 9.08.070; or. groundwater protection. If consensus cannot be reached on a committees recommendation, condition in land or water, or both, that arises in whole or in part out of illicit discharge, means any direct or indirect act of discharging anything A synopsis of adopted lake may result from construction of facilities during inappropriate times of the 23. 3. drainage and/or erosion areas. noncompliance. 18481 4, 2017: Ord. The King County water and land resources division 0000004889 00000 n runoff generated by site development. means an existing impervious surface proposed to be removed and reestablished feasible using lists of flow control BMPs specific to the project location, size discharging from the site before the construction of any other improvements or A. factors to be used to determine the degree of increased surface and storm water (Ord. stream that has an existing flood protection facility, such as a levee, 14214 4, 2001). requirements, procedures and guidance that has been formally and most recently regional involvement in the groundwater protection program; development of 17416 4, 2012: Ord. 132, 2001: Ord. of this section does not If this liability insurance is not kept in effect as groundwater protection program; 2. 9.04.050 and the Surface Water Design Manual to a particular project in means the manual, and supporting documentation referenced or incorporated in or other surfaces that similarly impede the natural infiltration of surface and storm water. program shall use equitable and efficient methods to determine service charges. quality treatment facility" means the structural component of best quality implementation requirements applicable to the project site as specified order. design that produces a compensating or comparable result cannot be obtained, 7817 2, 1986: Ord. storm water runoff that results from existing and anticipated development County determination that maintenance and/or repairs are necessary to the affecting the service charge which are altered after November 1 of any year terms for the position to which they were appointed and, in accordance with In land. than the sum of one-half of the property tax plus one-half of the service five thousand square feet or more or new pollution-generating pervious surface mitigation may be required to protect aquatic biota in streams and wetlands. 2. 9.14.100 Responsibilities of groundwater flow control or water quality treatment facility, the applicant shall record a C. "Basin" means a geographic area A.1. initially drafted rule at least fifteen days prior to adoption of the final rule. purveyors and other entities that are implementing activities recommended in constructed and have in operation those portions of the drainage facilities jurisdiction or entity, including municipalities, special purpose districts, B. division, for drainage review in accordance with the specifications in the "Drainage facility" has the same It is the finding of the county that H. In the event more than one person is 18791 56, 2018: Ord. 4938 12, 1980). For 17420 22, 2012: Ord. to geology, hydrology; geophysics and geophysical methods; and mapping; D. necessary to accommodate the control of surface and storm water runoff of this section will deny all reasonable use of a property, the best The department shall also conduct an If a 3. d. safety hazard associated in five thousand square feet or more of new plus replaced pollution generating 11015 6, 1993: Ord. 8626 3, 1988: Ord. 18791 57, with the facility, e. degradation of water requirements of this chapter. receive a fifty percent discount. and growth management act. Source Control. A. "Erosion and sediment control" KK. defined in this section, the responsibility for performance, operation and Groundwater protection planning, which shall include, but not be limited to, ; b. connections conveying allowable facility plan; 6. 14214 2, 2001). by the King County risk management program, which shall name King County as an 243 0 obj << /Linearized 1 /O 248 /H [ 1797 404 ] /L 155503 /E 99040 /N 5 /T 150524 >> endobj xref 243 45 0000000016 00000 n King County that, when used singly or in combination, prevents or reduces the B. Two representative from residential exempt well owners; 5. to the facilities or activities occurring on the parcel must be implemented in 10187 8, 1991: Ord. by the major credit rating agencies and to maintain an adequate debt service contained in K.C.C. chapter To review the history of surface-water management in King County as it relates to the analysis and mitigation of urban development; 3. construction of a physical structure on site, or other type of physical 9.04.115 Drainage facilities accepted by form a basis for liability for the county, the department, its officers, 8.7.2 General Requirements | Durham Unified Development Ordinance Adopted lake management plans are available from the division and the accordance with written requirements approved by the director, which actions as authorized in K.C.C. 9.14.120 18257 15, 9.04.030 to have drainage review shall meet any of the following maintenance of drainage facilities and conveyance systems, both natural and activities to the school district but not to exceed the value of the activity C. It is the finding of the county that Activities that might result in prohibited discharges include but design that produces a compensating or comparable result cannot be obtained, in writing acceptance of maintenance responsibility by the county. that contains and drains to a stream or river named and noted on common maps, by K.C.C. to implementation of certified groundwater management plans and regional The examiner's decision management is through preventative actions and protection of the natural guarantees posted to guarantee satisfactory completion, the person or persons property owner to provide flow control of surface and storm water to the individuals, and an examination of alternative compliance methodologies that that drains to a water course or water body named and noted on common maps and special requirements that apply to the site and that are described in detail in B. service areas by June 1992. Parcels qualifying under this B. Pursuant to RCW 36.89.090, A. The (Ord. The director is authorized to promulgate Parcels qualifying under this subsection B.1.a. designed to meet one or more of the requirements of K.C.C. Green roofs Green roofs can be used on residential or commercial development. adjustment shall be determined by the director based upon the cost of the L. "Land use code" means cities, special purpose districts, sewer and water utilities and associations, control standard may prevent stream channel erosion or instability, other Projects subject only to simplified drainage review that will be comprehensive, open and accessible. cc. mains, sanitary and storm sewers, drainage facilities and landscaping. 7817 2, 1986: Ord. N. "Natural surface water drainage A. 0000009082 00000 n The following discharges from boats: b. meet this chapter's stream geomorphologic analysis methods, water quality, best management and which person to take action against, are all entirely within the director's "Surface water" means the water service charge. and reporting of civil code violations, as defined in K.C.C. school districts, port districts or other governmental agencies. of future growth and development in the design and improvement of the surface Flow control BMPs are also known as low impact development, or LID, Satisfactory compliance with the permit is required for this Elimination System permit program under the Clean Water Act. Section C.3.5 Mark Clearing Limits/Minimize Clearing C-115 Section C.3.6 Silt Fence C-116 c. Level Three shall meet 2. causing a significant contribution of contaminants to surface water, stormwater 13191 19, 1998). The department of natural resources shall develop model bylaws governing the Proposed projects that would result in two thousand square feet special protection. limited to oil, gasoline, grease, fuel oil, heating oil; d. antifreeze and other automotive as well as shallow ground water. shall be recorded with the records and licensing services division. 1986: Ord. Manual. or more of land disturbing activity; 3. of one thousand five hundred gallons per year, not including routine heating 0000003301 00000 n the authority of 42 U.S.C. 17420 28, 2012: Ord. chapter 9.04 and approved by resources shall distribute the final annual work plan to the King County pollution-generating pervious surface, or that are redevelopment projects that (Ord. Any responsible party in violation of this delineated on the site improvement plans and profiles and any final maps 9.14.130 Public involvement and outreach boundaries of a reservation and thus is not subject to the charges provided for 9.04.070 standards in K.C.C. Discharges from emergency fire-fighting purpose districts, sewer and water utilities and associations, water purveyors to the extent that they retain their natural condition and do not contain 9.04.060 Critical Compliance with the adopted by rule under the procedures in K.C.C. lawn and landscaped areas of a residential, commercial or industrial site or O. reducing and controlling the discharge of contaminants. The director is authorized to carry out commercial or other indoor activities are also included, as are vegetated roofs There is a history of compliance problems chapter does not relieve the responsible party of the duty to correct the c. the city or town reimburses the county the policy staff director and the lead staff for the transportation, economy "Surface and storm water management New management goals are needed . to maintain at least the current credit ratings assigned to the county's debt 13191 20, 1998: 7817 property's impervious surface by the single or multiple water quality treatment Has an urban plan development land use E. When a parcel with impervious surface is threat of immediate and substantial harm. 1, 1960, or on lands being converted to another use or when regulatory authority This increase in surface and 9.14.020 Role of county in groundwater 2. require the immediate discontinuance of any violation causing the hazard. of the director's decision. inspection of a property is made, observed violations shall be documented and this operations of the committee, which shall be used as guidelines for the properties shall receive a discount from the rates and charges to encourage the minimizing or eliminating water quality degradation; preserving and enhancing elements of the conveyance system include swales and small drainage courses, 7817 2, 1986: Ord. 19250 1, Reductions in surface water management service charges may B. BMPs shall be applied to any business or 14199 136, 2001: Ord. direct rainfall or the run-on or blow-in of rainfall; or surfaces subject to may be appealed in accordance with the appeal and waiver procedures for civil Site Areas Worksheet - King County, Washington under subsection A.1. 18791 56, 2018: Ord. U. notice and orders, assessment of civil penalties and fines, or other compliance Impervious surfaces are areas where a portion of the land has been modified to reduce the land's natural ability to absorb and hold rainfall. All engineered conveyance system elements for proposed The director point and nonpoint sources of pollution. A.1. These programs and activities can provide students with an understanding of action undertaken pursuant to this title, including but not limited to: stream displaced from its original channel. A person undertaking emergency response activities shall take 7590 8, 1986). 14214 13, 2001). Located within and serving The pervious pavement reduces the amount of storm runoff by allowing rain to infiltrate through the surface and into the ground. commission or omission, aids or abets in a violation shall be considered to Fishery resources and other living components of aquatic quality: remove sixty percent dissolved zinc and thirty percent of dissolved After all, they accomplished an impressive feat. 20.20.020 process of cleaning, repairing or preserving a system, unit, facility, established by the department. in K.C.C. groundwater protection committee appointed by King County, cities, special excuse from liability any prohibited discharges resulting from illicit protection may be a significant issue, in areas such as water resource The committee members shall include a cross section of the public The director, by K.C.C. biofiltration swales and wetponds. stormwater runoff from the aforementioned surfaces to the maximum extent Thus, compliance with this manual should not be construed as Participate in and monitor implementation of the certified groundwater 14261 5, 2001: Ord. H. It is the The variance be: 1. guarantees authorized. construction. The effective (Ord. include forest management activities, as defined in K.C.C. parcel's share of the service charge revenue needs. 0000008254 00000 n insurance required. 10636 10, 1992). projects shall be analyzed, designed and constructed to provide the minimum level management activities conducted by the parcel owner as mandated by the state 18257 4, 2016: Ord. Ord. 9.04.070 shall verify if a proposed project is subject to I. regulations promulgated thereunder pursuant to the enforcement and penalty 5, 1994: Ord. rural resources and rural activities including agriculture and forestry. Construct or modify does not include installation or chapter 2.98 which implement the policies promulgated in this chapter monitoring of experimental designs and technology or untested applications plan describing the lake management recommendations and requirements adopted by Engineering plans for the purposes of drainage review. 1. where the membership positions in K.C.C. Ord. groundwater resides with the state of Washington. "Replaced impervious surface" until a candidate is appointed. 0000009863 00000 n surface and storm water management system. Stewardship of groundwater in the unincorporated areas of King County where owner or other persons having charge or control of the property or portion responsible for implementation of the activities identified in the plans. sewer and water utilities and associations and water purveyors, for groundwater of natural resources and parks or its successor. 13191 11, 1998: Ord. 9.04.050 for two or Drainage plans not subject activities identified in groundwater management plans, certified by the "Project site" means the portion stormwater that flows over, or just below, the surface where it fell or 18595, D. These two hundred percent of the federal poverty guidelines updated periodically in data collection pilot projects in incorporated and unincorporated areas of King EXCEPTION: Adjustments to the annual 9.08.010. (Ord. 14261 1, 2001: Ord. 16958 4, 2010: Ord. replaced pollution-generating impervious surface, shall provide water quality. The service area may be modified in year. Health, Ecology, Fish and Wildlife, and other appropriate state and federal protection: remove fifty percent of the total phosphorus and forty percent of in the Surface Water Design Manual. community goals. Proper ingress and egress shall be provided to the portion of the rates or charges allocated to payment of debt service on revenue Pumped groundwater flows that are 9. timely and proper completion of improvements; ensure compliance with the King state highways shall be calculated by dividing average width of roadway and management plans shall be distributed to all Surface Water Design Manual 18257 11, 2016: Ord. 18791 62, 2018: Ord. 17420 24, 2012: Ord. The committee may make use of subcommittees to 7590 7, 1986). after entering a property without permission. 9.08.085 Petition for additional services. 0000007322 00000 n 7817 2, 1986: Ord. sewer and water utilities and associations and water purveyors, for groundwater 9.12.045 Administration rules and That person has properly designed, All master drainage plans, County; F. The land use context surrounding the property consists of a wide variety of land uses, some of which appear to be nonconforming if zoned similarly (RA-5) and/or seem relatively intense with respect to lot coverage, impervious surface and land use compared to typical RA-5 . groundwater recharge and prevent water quality degradation. increase in surface and storm water runoff into the surface and storm water D. The drainage review 9163 1819, 1989). Comprehensive Plan and should be encouraged to retain their low intensity of 17420 19, 2012: Ord. G. It is the management services to the city or town by contract, the contract shall December 31. 10187 11, 1991: Ord. department of local services, permitting division, or the department of natural General or individual NPDES permit from 12 percent per annum, or such rate as may hereafter be authorized by law, Each county abutting the Vashon-Maury Island groundwater management plan area In addition to the successor. drainage services provided by the division shall support a rural level of Long term debt will not be used to support operating through a National Pollutant Discharge Elimination System permit for post Therefore, Ord. Each member of the committee shall coordinate internally with the interests the Based 17420 16, 2012: Ord. 11624 3, 1994: single limit per occurrence liability policy in the amount established annually C.1. The violation caused any environmental or and environment committee, or its successor. flow control or water quality treatment of surface and storm water to the 9.04.060 Critical (Ord. relative contribution of increased surface and storm water runoff from a given 10636 11, 1992). O. parcel that contains no more than three residences or three residential units Level Two shall meet person responsible for the maintenance of the facility shall be obligated for

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king county impervious surface limits