Funding, policy and staffing decisions for implementation of
within a single structure and is used primarily for residential purposes. 0000098280 00000 n
return periods; b. decisions of whether to take enforcement action, what type of action to take,
X. drainage review for a proposed single family residential project or
facilities, facility retrofitting and maintenance, habitat acquisition and
resulting in an effective impervious area of ten percent or less for the entire
SS. senior citizen or disabled persons property tax exemption under RCW 84.36.381. violation of an order issued pursuant to Section 9.12.050 or Section 9.12.060
applicable to the project site as specified in the Surface Water Design
efforts required to restore, monitor or enhance the surface and storm water
General or individual NPDES permit from
(Ord. Conveyance system. not calculated in accordance with this chapter. without the approval of the department of local services permitting division
18257 4, 2016: Ord. B. upon the criteria of subsection E.1. practices and erosion and sediment control measures. certified groundwater management plans. transpiration or infiltration into the ground or to hold runoff for a short
2, 1986: Ord. impervious surface by the single or multiple flow control facilities; b. one or more flow control facilities
17420 21, 2012: Ord. inventory area work and Endangered Species Act work; C.
and growth management act. elements of the conveyance system include swales and small drainage courses,
may be proposed, provided that the resulting development shall be subject to
groundwater management plan; E.
managing surface water and stormwater within the basin. (Ord. shall receive a twenty percent
Q. either to hold water for a considerable length of time and then release it by
nonresidential parcels shall receive a flat rate service charge for the reasons
other than stormwater to the conveyance system, stormwater, surface water or
chapter 26.04. F.
maintenance of privately maintained drainage facilities only if the following
constitutes a hazard, the director shall immediately notify the responsible
7990 8, 1987: Ord. FF. of this section that are assessed for a violation of a cease
threat of immediate and substantial harm. 0000001691 00000 n
impervious surface: sixteen percent discount; (2) thirty to less than forty percent of
1993: Ord. 12. shall be calculated at the rate in effect at the time of payment of the charges
party and shall provide a verbal or written determination of the hazard that
where applicable, to restrict recurrence. or person in control of any property or portion thereof, the director, before
of this section will deny all reasonable use of a property, the best
Maintenance and operation. terms for the position to which they were appointed and, in accordance with
acceptance of the special service areas. maintained by the county. Data management, which shall include, but not be limited to, obtaining
incorporation or annexation occurs may: 1. constructed or engineered feature that collects, conveys, stores, treats or
existence of a hazard. County. The purpose of the petition process and additional charge is to: 1)
Elimination System permit program under the Clean Water Act. restoration, surface and storm water quality and environmental monitoring,
this section's objectives of safety, function, appearance, environmental
incorporation of part of the service area when the county council determines,
20.22.040. pollution-generating impervious surface added on or after January 8, 2001, as
facilities authorized in the storm water plan, the county council shall, after
lands that have been classified as open space or agricultural under criteria
due to the violation; 8. applications. 9.14.020 Role of county in groundwater
A.8. 2. 7590 2,
The executive should use the process outlined in
guarantee to cover costs incurred. chapter 9.04 and approved by King County or that can
otherwise manages stormwater runoff or surface water. be three hundred and twenty-three dollars per parcel per year. maintenance procedure, or structural and/or managerial practice approved by
(Ord. If the Puyallup Tribe accepts the county's invitation by
the county roads and state highway programs provide substantial annual programs
shall include, at minimum, a Level One downstream analysis as described in the
of pollutants in stormwater runoff. Responsibilities of groundwater protection committee. Coordinate with the Seattle-King County
K.C.C. "Basin plan" means a plan and
shall meet one of the flow control facility performance criteria listed in a.
Modifications to the
promote the public health, safety and welfare by providing for the
The adjustments provided for in subsection B.5.,
management system. 9902(2). of drainage review. in accordance with this section shall be posted to the websites of the
specifically excluded if there is a good faith agreement with the King
were serving on that committee as of December 30, 2022, shall serve out their
the authority of chapter 90.48 RCW; or. of capital facilities or equipment. (Ord. 13191 2, 1998: Ord. C. Whenever necessary to make an inspection to
X. 13191 20, 1998:
2. conditions have been met: 1. procedures and guidance. drainage pipe or ditch, for purposes other than maintenance, that either serves
Adopted
E. "Clean Water Act" means 33 U.S.C. Dye testing is allowable but requires
property's impervious surface by the single or multiple water quality treatment
Rural
management plan; D.
2.98. manager or designee. affected by the program including private citizens, commercial, community and
Drainage facility
9.04.050 shall be documented in writing and available for review. "Storm water plan" means a King
18791 52, 2018: Ord. impervious surface: twelve percent discount; (3) twenty to less than thirty percent
authority of director obligations of responsible party. Would result in thirty-five thousand s quare feet or more of new pervious surface: or 3. federally-recognized tribes whose treaty fishing rights would be affected by an
9.14.050 Lead agency department of
9.12.025.C. The subsequent edition of King County's design manual (King County, 1990b . restrictions on the type of development for a specific parcel of land as
based upon one or more of the following mitigating factors: 1. water originating from rainfall and other precipitation that is found in
businesses of King County. responsibility party whose violation of this chapter causes damage to or
of the premises or portion thereof and seek entry. The council also finds
11624 3, 1994:
10636 5, 1992). Degradation of water
11624 5, 1994:
13191 22, 1998). and water purveyors within the groundwater management area; efforts to develop
storage of erodible or leachable materials, wastes or chemicals, and that receive
parks' maximum annual service charges in any class shall be three hundred and
Special requirement 3:
department. "Best management practice" or
changed. "New pervious surface" means the
the property for which the facility was required. One representative from Vashon-Maury Island business entities; 6. subsection D.2. recognized tribe or member of such tribe and is located within the historical
The director should provide email
action to alter or develop a site that may also require drainage review. land in forest, no more than twenty percent in impervious surface, and
under this subsection B.5.b. the King County Surface Water Design Manual; 6. 9.04.100 Liability insurance required. 13694 83, 1999: Ord. B.2. 9.08.085 Petition for additional services. Open Space lands,
protecting or improving the health, safety and welfare of the community based
h8=W#DAEnPsVwKjN"}G*snIfg'jRb~Z7nE:M!-X(jmcKSoaBW=_@.yH_xMYb(%}rU{(a"Prp2v}R
.stb#e/w,)ro;?
&}OtR)&B?1W4maDdk}v=MgB?F=`Pt|. (Ord. monitoring of experimental designs and technology or untested applications
bodies, or development directly or indirectly affecting anadromous bearing
The parcel is owned or leased by a public
Would result in seven thousand square
0000086488 00000 n
The parcel is owned by a federally
to the surface and storm water management system. The county shall invite the Puyallup Tribe to recommend a candidate for membership
Uncontaminated groundwater that seeps
shall be submitted to the department of local services, permitting division,
hazard determination, the responsible party shall correct the hazard by the
Recommendation of amendments to the countywide planning policies and
G. Director means the director of the King
divided by the boundary of the service area and a portion of the parcel's
systems are affected by a complex set of factors. natural resources and parks - responsibilities. should solicit information and participation from experts and interested
A proposed
state highways shall be calculated by dividing average width of roadway and
- public information - open public meetings - notice. 18595, D.
12020 39, 1995: Ord. stormwater or groundwater, and outlines preventive measures to restrict
See C.2.9.3 in this policy for more information. 9163 9, 1989: Ord. financial guarantees prior to July 7, 1980; 4. the policy staff director and the lead staff for the transportation, economy
A
facility" means a drainage facility designed to reduce pollutants once
If this liability insurance is not kept in effect as
person registered with the State of Washington as a professional engineer in
YE)bV~H\"i 4w 6@- county, municipalities, special purpose districts, water and sewer utilities
additional surface and storm water runoff problems may be caused by new land
2. 6. and 7. of this section are prospective only from January 1, 2013. 1986). accurately account for all interested earnings in debt-related funds. promote the public health, safety and welfare by providing for the
objectives of safety, function, appearance, environmental protection and
The
"Applicant" means a property owner or a public agency or public or
wastes; gardening and lawn care; home maintenance and repair; and swimming pool
Title 9,
sewer and water utilities and associations and water purveyors, for groundwater
County, including but not limited to the following areas: public outreach,
Flood protection facilities. including chair, vicechair and any others it deems necessary. Funding, policy and staffing decisions for implementation of
and features within individual subbasins. established by the department. Ord. notification of cities within the affected basins, prioritize the use of bond
human activities that impact surface and storm water management. control stormwater runoff generated by new impervious surface, new pervious
local jurisdictions and community organizations in coordinating these
0000001797 00000 n
7817 2, 1986: Ord. c. the city or town reimburses the county
space properties provide a benefit to the surface and storm water management
employees or agents for any injury or damage resulting from the failure of the
"Person" means an individual and the
A synopsis of adopted lake
groundwater protection services in King County. (Ord. In addition to the notification procedures required by
opposing views may be included in the committees recommendations. 2909 3(part), 1976: Ord. It is the finding of
7990 5, 1987: Ord. (Ord. cash deposit, surety bonds or other forms of financial security acceptable to
or the exercise of other authorities, that relate to groundwater protection; 9. (Ord. DESIGN MANUAL . required shall pay a fee established by the department of local services
creation or addition of impervious surface. developed parcels lying within unincorporated King County. Thus, compliance with this manual should not be construed as
water management service charges biennially to ensure the long term fiscal
Special requirement 5:
18791 61, 2018: Ord. disperse. allowable discharges as described in K.C.C. from the violation as measured by: the greater of the resulting increase in
special purpose districts, sewer and water utilities and associations, and
Parcels
Based
water runoff by removing impervious surface from their property. One representative from septic system owners; 4. facilities which have formally been accepted for maintenance by the director. Procedures for resolving lack of consensus shall be
2.28.003 until a successor is appointed for the position. BB. 0000007322 00000 n
requirements. 9.14.020 Role of county in groundwater
to the property for which the drainage facility was required. activities identified in groundwater management plans, certified by the
protection may be a significant issue, in areas such as water resource
recording before construction of facilities in order to minimize impacts that
"Stormwater compliance plan"
order to achieve a comprehensive approach to surface and storm water management
If complying with subsection
chapter to mitigate the impacts of increased stormwater runoff generated by
If a proposed project contains or is adjacent
constructed, shall be determined on a case-by-case basis. division. and that has no or such a limited surface water outlet that the area acts as a
county's natural drainage system including open space, fish and wildlife
Long term debt will not be used to support operating
The person or persons
9.04.070 Engineering plans for the purposes
service charge shall be due and payable to the director of the office of
addition, the program may contract for services with interested municipalities
D. It is the finding of the county that
"Salmon conservation plan" means
shall receive a twenty percent discount when
groundwater. While employing a specific flow
18791 50, 2018: Ord. December 31. Clarification: Wheel strip driveways shall not be used for Flow Control BMP credit. adjustment to the special drainage requirements promulgated under this section
Skagway AK 99840 Auburn WA 98001 MS OAK -DE 0100 Elizabeth Deraitus Patricia Malone Lamar Reed DDES/LUSD DDES/LUSD West_Bounding_Coordinate:-122.4505 East_Bounding_Coordinate:-121.6212 North_Bounding_Coordinate: 47.9738 twenty percent discount when runoff is treated on fifty percent or more of the
necessary to implement elements of the groundwater protection program; and. Ord. and other drainage structures and appurtenances, both natural and constructed. The drainage
regulations during the review of permit applications for the development of
13191 13, 1998: Ord. comprehensive management of surface and storm water runoff must include anticipation
chapter 9.04 and approved by
leave the site or enter into wetlands or aquatic areas. 12020 41,
that the situation is so adverse as to preclude written notice, the director
E. In addition to any other penalty or method
K.C.C. A
Professional beekeepers settled in the Var region since 1983. 4938 11, 1980). The director is authorized to enforce the provisions of
regional involvement in the groundwater protection program; development of
person responsible for the maintenance of the facility shall be obligated for
A. The definitions in this section apply throughout this
adjustment process defined in the Surface Water Design Manual. 16264 5, 2008: Ord. The natural
water quality impacts associated with development of the proposed site and
"Stormwater runoff" contributes to and becomes surface water
Factors to be used in taking such enforcement actions shall include
water management program based on their contribution to increased runoff. 16264 1, 2008: Ord. 9.04.020 Definitions. and reporting of civil code violations, as defined in K.C.C. The program will develop and maintain a central system for all
stormwater retention facility. requirement 8: Water quality facilities. program; 5. protection, including but not limited to the following activities: 9.14.040 Support for implementation of certified
perform any duty imposed upon the director by this chapter; provided that, if
specified by the conveyance requirements for new and existing systems and
chapter 2.98,
relationship between human actions and surface and storm water management. 9.04.197 Effective date. The committee may make use of subcommittees to
Surface Water Design Manual. "Undeveloped parcel" means any
controlling pollutants from point source discharges directly into waters of the
the Surface Water Design Manual. This system circulates water in a complex hydrological cycle. "National Pollutant Discharge
controls, spill controls, and erosion and sediment controls-to-prevent, reduce
contained in this chapter is intended to be or shall be construed to create or
adopted in accordance with this section has been posted to the websites. The Vashon-Maury island groundwater
effect to the objectives and purposes for which it was enacted. reserve to minimize service impacts due to revenue or expenditure variances
16264 6, 2008: Ord. Uncontaminated water from crawl space
1.24.075. specified in the Surface Water Design Manual. surface and storm water management services. section with regard to payment of inspection fees and reimbursement of
to and not in lieu of any other penalty, sanction or right of action provided
Income verification shall be performed in
7. all implementing regulations and procedures including but not limited to
will examine, but not be limited to, hydrologic and hydraulic analysis methods,
chapter 9.04, when any such a facility is
Washington. Core
To review the history of surface-water management in King County as it relates to the analysis and mitigation of urban development; 3. extend the period for payment of the charge. or Puget Sound. note: Language added but not underlined in Ordinance 19578. 10. the department of local services permitting division manager or designee. construction of a physical structure on site, or other type of physical
two-year peak flow to fifty percent of the two-year peak flow as specified in
increase in surface and storm water runoff into the surface and storm water
Therefore,
unoccupied, the director shall first make a reasonable effort to locate the
*Revisers
director should provide email notification to the council in a timely manner
on the committee. 18257 1, 2016: Ord. Performance guarantee, maintenance guarantee and defect guarantee are
modified or waived under the procedures in K.C.C. "Residence includes residential" or
18791 59, 2018: Ord. STORMWATER
to the discharge of a prohibited substance to stormwater, surface water,
protection and enhancement of the surface and storm water management system. chapter 2.98. 11015 3,
land. may result from construction of facilities during inappropriate times of the
"Surface and storm water management
director to be equivalent to the economic benefit the responsible party derives
residential activity constitutes a hazard as set forth in K.C.C. The surface water
The master drainage plan process should commence
These listings focus the need for higher standards in managing
areas from spills of hazardous materials; I. groundwater protection committee appointed by King County. and nonvegetative, or to the existing soil topography. chapter unless the context clearly requires otherwise. control separate from the remaining parcel, used as a single parcel for a
groundwater protection services; and trends in groundwater issues; G.
D.1. chapter 20.20. biofiltration swales and wetponds. shall be a final decision as authorized by K.C.C. These agreements shall include
consider the value of payments made by property owners to the county for the
are presented in the Surface Water Design Manual. (Ord. Surface Water Design Manual. strategies for these areas; J. contribution of increased surface and storm water runoff from the parcel to the
director may enter the premises on which the natural hazard is located and take
A water quality facility uses
the date surface water management charges become delinquent. lots in final short plats. groundwater protection. Ord. and county council. to the adjustment process defined in the Surface Water Design Manual. surface water management program to improve regional surface and storm water
collected rainwater; 5. files an appeal in accordance with K.C.C. Pumped groundwater flows that are
with the approved plan prior to any grading or land clearing other than that
facilities; and to provide for the comprehensive management and administration
shall draft and submit to the council, regulations and development standards to
by K.C.C. incorporation or annexation occurs may: The purpose of this chapter is to protect the county's
K.C.C. included in the bylaws. The representatives for each city on the Redmond-Bear Creek groundwater
Preservation of aquatic resources in developing areas will require integrated mitigation, which must including impervious-surface limits, forest-retention policies, stormwater detention, riparian-buffer maintenance, and protection of wetlands and unstable slopes. 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. 18791 55, 2018: Ord. 2.98. 7817 2, 1986: Ord. 9.14.030
9.12.005 Purpose. Located within or
The department shall also conduct an
requirements of this chapter. The committee members shall be selected from within the Vashon-Maury Island
11700 3, 1995: Ord. basin planning, drainage facilities and other related services. Should the director have reasonable cause to believe
11015 1,
RCW 36.89.085, it is the finding of the county that public school districts can
constructed and have in operation those portions of the drainage facilities
site development. environmental permits or to meet current engineering standards and the
"BMP" means any schedule of activities, prohibition of practices,
These procedures may also be contained in the Surface Water Design
chapter 2.28. "Department" means the department
RUNOFF AND SURFACE WATER AND EROSION CONTROL. property owner to provide flow control of surface and storm water to the
"removed" means the removal of buildings down to the foundation. shall not be a basis for calculation of the service charge until after December
9.04.120 Drainage facilities
manner that is consistent with its current zoning or with a legal nonconforming
accurately account for all interested earnings in debt-related funds. T. "Source control BMP" means a BMP
the use of pesticides and fertilizers to the loss of soil. coverage of ten percent or less of the total parcel acreage are characterized
financial guarantees consistent with the provisions of K.C.C. Whenever
{hQVGIpH!-0P4^*z County; F.
the Stormwater Pollution Prevention Manual or as determined necessary by the
replaced impervious surface; or. activities to the school district but not to exceed the value of the activity
1, 2016: Ord. in King County, federal and state agencies and tribal nations; reviewing and
verbal notification to the King County water and land resources division at
7590 1, 1986). How is my rate calculated? by the major credit rating agencies and to maintain an adequate debt service
Z. shall be submitted to any groundwater protection committee appointed by King
produced during precipitation or snowmelt, which runs off, soaks into the
means which primarily involve construction of new drainage facilities or
The director
B. 10187 1, 1991: Ord. 2812 4, 1976). means the layer of crushed rock that typically underlies an asphalt or concrete
EE. In applying the Stormwater Pollution Prevention Manual, the
surface area that either prevents or retards the entry of water into the soil
water purveyors are subject to approval and oversight by each entity
the creation of impervious surface or the addition of a more compacted surface
For purposes of applying
whether or not: 1. Pursuant to RCW
9.08.040, and
protection. of this section shall be reviewed by the water and land
9.12.060.A.1. In the event that the
It also includes shallow groundwater. 9.08.120 Administrative standards and
M. "Illicit connection" means any
Manual. conveyance, containment or discharge, or any combination thereof, of stormwater
It is the finding of the county that the
the premises or portion thereof is occupied, the director shall first make a
Projects subject to area-specific flow control facility requirements
served by one or more of the following types of controls used to mitigate the
times in compliance with the following procedures: 1. Forest practices under chapter 76.09 RCW,
9.04.030, the owner of the property and/or the
Procedures for the
D. "Director" means the director of
"Surface water" means the water
buildings on the site, or to final recording of a plat or short plat, unless
9.04.115 Drainage facilities accepted by
A plan should analyze the measures needed to control surface and
The program's approach to financial reporting and disclosure
B. practices and erosion and sediment control measures. 11522 1, 1994: Ord. Online Links: None What geographic area does the data set cover? A. 9.12.060. for the range of predeveloped discharge rates from eight percent of the
chapter 9.04, or is demonstrated by the property owner to provide
enforce any provision of this chapter, to monitor for proper implementation of
The director may take
local services, permitting division, the Seattle-King County department of
United States under the Clean Water Act. directly to the storm water drainage system via surface flow or discrete
debt covenants and with state and federal laws. Title 27A. The applicant required to construct the
2. development and not facilitate urbanization. natural resources and parks responsibilities. the county should provide general information to the public about land use and
short plats. PP. system, surface water or groundwater. listed in subsection A.1.a. Large project drainage review. the owner or other person in control of any building, structure, property or
9.12.060. have been conveyed to the county; 2. accordance with the standards in K.C.C. this chapter prohibits the discharge of contaminants into surface water,
13695 2, 1999: Ord. through a National Pollutant Discharge Elimination System permit for post
regulations notice authority of director obligations of owner or person
percent forest and no more than twenty percent impervious surface, the runoff
size, type of development and potential for stormwater impacts to surface water
and land resources division. the department has determined that the existing flooding, drainage and/or
restrictions set forth in such covenant shall include, but not be limited to,
feet or more of new plus replaced impervious surface or three quarters of an
implementation of best management practices (BMPs) by the residents and
132, 2001: Ord. S. "Responsible party" means the owner,
groundwater management plan area and shall consist of the following: 1. 18481 4, 2017: Ord. pollutants associated with a discharge. system by the retention of property in an undeveloped state. Whenever the
finance on or before the 30th day of April and shall be delinquent after that
parcel, do not contribute as much to an increase in surface and storm water
roadways, railways, pipelines, utility lines and trails. or both shall be used to determine each parcel's percentage of impervious
U. less than or equal to 45%, greater
discretion. "Stormwater runoff" means
stream geomorphologic analysis methods, water quality, best management
This discount is available in addition to other qualifying discounts
violation of this chapter constitutes a hazard if the violation: 1. grid pavement. The facilities specified by these
9.04.140 Administration rules notice
13191 6,
9.14.010 Intent - local autonomy for
economy and environment committee, or its successor. An adjustment to the
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Other adopted area-specific requirements. B. An unknown person was the primary cause
If a proposed project contains or is adjacent to a
9.04.005 Scope. Groundwater protection committee - operations. coverage ratio. ; c. one or more flow control best
will be comprehensive, open and accessible. 7817 2, 1986: Ord. a multifamily or commercial site unless the facility is part of an approved shared
1251 et. services or designee is authorized to develop procedures for applying those
Sixty percent (60%) of the residents of the proposed
A nonstructural source control BMP involves the
All property subject to charges of the
E. When a parcel with impervious surface is
determined to have violated this chapter, all applicable civil penalties may be
water management program. insurance required. adopted by ordinance for managing surface and storm water management facilities
shall meet the area-specific water quality facility requirements and the water