applications. Title 23. 18257 14, 2016: Ord. the King County Surface Water Design Manual; 6. (. Section C.2.9 Reduced Impervious Surface Credit C-98 . 7817 2, 1986: Ord. department of local services, permitting division, and the department of
King County that, when used singly or in combination, prevents or reduces the
residential activity, whether singly or combination with other discharges, is
shall draft and submit to the council, regulations and development standards to
"New impervious surface" means
of the permits and/or approvals for the project or the release of financial
For the purposes of this subsection,
protecting or improving the health, safety and welfare of the community based
Located within or
guarantees authorized. associated with an approved erosion and sediment control plan; and. for ninety-five percent of the annual average runoff volume: a. for basic water quality:
General or individual NPDES permit from
18836 1, 2018: Ord. . intended to prevent contaminants from entering surface water, stormwater or
protection: remove fifty percent of the total phosphorus; and. 14199 136, 2001: Ord. April 24, 2016 . order to achieve a comprehensive approach to surface and storm water management
The definitions
impervious surface, new pollution-generating pervious surface and any existing
and includes, but is not limited to, the water found on ground surfaces and in
acceptance of the special service areas. In instances
flexibility. area contained on the parcel. 2.28.003 until a successor is appointed for the position. K. "Forest practices" means any
9.08.120 Administrative standards and
(Ord. (Ord. J. groundwater protection services provided by King County. guarantees posted to guarantee satisfactory completion, the person or persons
10187 8, 1991: Ord. 7817 2, 1986:
J. 9.04.194 Implementation, review and
14199 129, 2001: Ord. director may enter the premises at all reasonable times to inspect the same or
9.14.050 Lead agency department of
9.04.180 Enforcement. 17420 22, 2012: Ord. 16264 5, 2008: Ord. inspection of a property is made, observed violations shall be documented and this
Stormwater that runs off or soaks into
two-year peak flow to fifty percent of the two-year peak flow as specified in
In consultation with the department of
The
intended to remove contaminants once they are already introduced into
division. chapter 20.36 and chapter 84.34 RCW. cities, special purpose districts, sewer and water utilities and associations,
"Master drainage plan" means a
Ord. 11015 7, 1993: Ord. 9.04.050 Drainage
Q. system" means such landscape features as rivers, streams, lakes and
(Ord. areas from spills of hazardous materials; I. A. to all other liens and encumbrances except general taxes and local and special
from which is dispersed through the forested area to the standards in the
management activities conducted by the parcel owner as mandated by the state
requirements shall be crafted to impose the least burden possible on the parcel
Developed parcels shall be subject to the rates and charges of the surface
That person has properly designed,
The council finds this chapter is necessary in order to
18791 61, 2018: Ord. B. 14261 2, 2001:
resulting in an effective impervious area of ten percent or less for the entire
rates and charges of the program. The acreage of the parcel charged is in
parcel owner has not otherwise specified, the director of the office of finance
maintenance of drainage facilities and conveyance systems, both natural and
error; 3. storm water runoff generated by site development in accordance with the
specified in K.C.C. Located within and serving
If the Puyallup Tribe accepts the county's invitation by
Special requirement 1:
This reserve will be calculated based on the
erodible or leachable materials leaving the site. 9.12.005 Purpose. commercial site development permit, then water quality source controls shall be
One representative from septic system owners; 4. 16724 1, 2009: Ord. 0000002201 00000 n
install a new drainage pipe or ditch or make improvements to an existing
Provide advice on state groundwater regulation. of this section if: a. The committee and department of natural resources shall identify
natural drainage features or other controls necessary to protect against
persons required to comply with this chapter. 18257 9,
associated with domestic residential uses or that do not ordinarily occur on a
Ord. preservation of wetlands and stream corridors to occur, alleviate erosion and
C. The regional water quality committee is
requirement 8: Water quality facilities. qualify for the surface water management service charge reduction shall be made
18257 12, 2016: Ord. 7817 2, 1986: Ord. 17451 4,
Environmental and permitting concerns need to be addressed as land development progresses. (Ord. D. A drainage facility which
9.14.120
files an appeal in accordance with K.C.C. facilities, equipment or systems, if there is no expansion of the structure,
"Maintenance" includes the repair or replacement of
The
11700 3, 1995: Ord. and Puget Sound. 12101 1, 1996: Ord. systems and through constructed improvements. existing impervious surface added on or after January 8, 2001, as specified in
One representative from a local nonprofit organization. AA. added to the next year's bill. 9.04.070 Engineering plans for the purposes
buildings on the site, or to final recording of a plat or short plat, unless
the plan. Title 23 and other enforcement provisions adopted by rule
protection committee appointed by King County shall meet at least three times a
DESIGN MANUAL. Make recommendations on the distribution and use of aquifer protection funds,
other relief to enforce this chapter. Chemicals, Title 12, Water, Title R12, Water and Title 13, On-site Sewage, or
The procedures shall indicate how the county will
18791 55, 2018: Ord. The director has declared
groundwater or the conveyance system, or to any combination thereof. B. This research program
enacted. "Lake management plan" means the plan, and supporting documents as appropriate,
The
Requests for adjustments
continually being upgraded to increase both conveyance capacity and control. require review and concurrence with that division. conveyance, containment or discharge, or any combination thereof, of stormwater
Core requirement 9: Flow
storm water plan may be modified and facilities authorized in the storm water
Under a maintenance
quarter of the billing year during which the property was in unincorporated
C.
F. Enforcement actions taken under this
market value of the property or business value received or savings of
as specified in the Surface Water Design Manual: 5. 9.04.115 Drainage facilities
0000012257 00000 n
and state roads contribute a significant amount of increased runoff to the
If any provision of this chapter or its application to
Flow control BMPs shall be applied to manage
produced during precipitation or snowmelt, which runs off, soaks into the
9.08.070; 2. 14199 135, 2001:
actual impervious surface coverage of the parcel charged places it in a
shall receive a fifty percent discount; 7. Manual; 7. County. 17420 25, 2012: Ord. 15971
"Site" means a single parcel, or
agencies on transboundary issues. 19578 1, 2023: Ord. county, municipalities, special purpose districts, water and sewer utilities
with the King Conservation District taking into consideration the land owners
Proposed projects that would result in five thousand square
7. are not limited to following: 6. replaced pollution-generating impervious surface, shall provide water quality facilities
surface by the qualifying single or multiple flow control facilities. from entering surface water, storm water, or ground water. 9.14.050 Lead agency department of
It also includes shallow groundwater. use permit, special use permit, zoning variance or reclassification,
11615 1 (part), 1994). The director may observe the
Title
The natural
12001
13191 20, 1998:
M. "Maintenance" means the act or
drainage requirements in this chapter. A. 7817 2, 1986: Ord. The debt service portion
dispersed runoff from the impervious surface through the forested land
chapter
17539 1, 2013: Ord. 1998: Ord. erodible or leachable materials leaving the site. promote public health, safety and welfare by establishing and operating a
chapter
department-approved variation in the application of the requirements of K.C.C. Would involve seven thousand square feet
accomplish some tasks. 11615 4, 1994: Ord. Its provision shall be exempted from
groundwater protection; I. Constructed in accordance
0000002625 00000 n
Has a project site of fifty acres or more
Therefore,
A nonstructural source control BMP involves the
sewer and water utilities and associations and water purveyors, for groundwater
9.08.070. approval. protection. assisting with updating groundwater management plans; coordinating groundwater
10570 1, 1992: Ord. Level One criteria and also match the predeveloped site's discharge durations
this chapter prohibits the discharge of contaminants into surface water,
habitat restoration or bank stabilization project; 7. such as the paving of existing dirt or gravel. necessary to protect the health, safety and welfare of the residents of King
O. 2281 12, 1975). less than or equal to 65%, greater
(Ord. vegetated roofs and underdrained pervious surfaces are considered impervious
chapter 9.04, or that is demonstrated
as described in K.C.C. type. disperse. thereon, against any property subject to service charges. documented legal control or a portion of single parcel under documented legal
The committee shall act in an advisory
include forest management activities, as defined in K.C.C. 15052 3, 2004: Ord. 2018: Ord. manner that is consistent with its current zoning or with a legal nonconforming
growing, harvesting, or processing timber, as defined in chapter 222-16 WAC. (Ord. II. 9, 1991: Ord. Procedures for resolving lack of consensus shall be
(Ord. the predeveloped site's peak discharge rates for the two-year and ten-year
project required to have drainage review by K.C.C. Failing to obtain a
Conveyance system. drainage facilities, rivers, streams, springs, seeps, ponds, lakes, wetlands
identifies long-term needs for groundwater protection, in consultation with any
pervious surface insufficient to require a flow control or water quality
It is the finding of the county
work plan and the three-year work plan that identifies long-term needs for
M. It is a finding of the county that very
The program created in this section shall
If consensus cannot be reached on a committees recommendation,
services. drainage facility designed in accordance with the drainage requirements in this
discharge or through the collective impact of many small discharges. of surface and storm water. Comprehensive Plan and should be encouraged to retain their low intensity of
all implementing regulations and procedures including but not limited to
similarities in impervious surface coverage between residential parcels. 11624 5, 1994: Ord. {hQVGIpH!-0P4^*z not include tilling conducted as part of agricultural practices, landscape
This rural drainage program shall
It is not intended by this
17420 22, 2012: Ord. areas annexed or incorporated subsequent to the issuance of the bonds shall be
Protection Agency; 2. shall
facilities that are geographically located within the area that is annexed or
available data from other local jurisdictions
Degradation of water
surface results in significantly less impact to the surface and storm water
At least four
of this section. parcels that make use of their pervious surface area to absorb storm water
Pumped groundwater flows that are
enforcement procedures. adjacent drainage facilities, adjacent properties and surface water or
chapter unless the context clearly requires otherwise. These
from entering surface water, storm water or ground water: a. one or more flow control facilities
(Ord. means the evaluation required by K.C.C. E. The director may without prior notice
That person can demonstrate that no
shall be a final decision as authorized by K.C.C. "Person" means an individual and the
(Ord. 19250 1,
imperatives have included the design, permitting and construction of
0000055945 00000 n
adjustment to the special drainage requirements promulgated under this section
All engineered conveyance system elements for proposed
of this section will deny all reasonable use of a property and a facility or
civil penalties, liability, Statutory provisions for water pollution control - See
impervious surfaces on the parcel, the total parcel acreage and any mitigating
protection and enhancement of the surface and storm water management system. grading, filling, excavation and compaction. February 1996). 6, 1987: Ord. X. addition, the program may contract for services with interested municipalities
Whenever an
C. Prior to the issuance of any
structural source controls shall be identified on the site improvement plans
revetment or berm, or proposes to either construct a new or modify an existing
uncontaminated; 11. 10636 10, 1992). Ord. Water Management Program shall give priority to methods which provide
1, 2004: Ord. Review and make recommendations on King Countys annual groundwater protection
19578 2, 2023: Ord. A synopsis of adopted lake
17420 23, 2012: Ord. stormwater that flows over, or just below, the surface where it fell or
surface and storm water management, including but not limited to basin
management system. provide additional services to residents within the existing service area; 2)
This Title is
whenever possible. 9163 1819, 1989). process of cleaning, repairing or preserving a system, unit, facility,
While employing a specific flow
or comparable result in the public interest; and. Ord. shall receive a discount as provided in the rates and charges of the surface
water management program. whether or not: 1. resources and parks, water and land resources division, or their successors. or Puget Sound. surface water. "Water
County and the integrity of the county's resources for the benefit of all by:
The committee may make use of subcommittees to
candidate for appointment to the committee on an advisory, nonvoting basis. covered parking area would be included if runoff from uphill could regularly run
services. 6.5 and an alkalinity of less than ten milligrams per liter. low-income discount based on a verified household income equal to or less than
9.04.110; or. Parcels qualifying
County, including but not limited to the following areas: public outreach,
Groundwater protection program. A. activity includes, but is not limited to, demolition, construction, clearing,
erosion conditions present an imminent likelihood of harm to the welfare and
B.2. management practices. program, including but not limited to basin planning, facilities maintenance,
proposed by the applicant in order to determine compliance with subsection C.1. of this section that are assessed for a violation of a cease
the Federal Register by the U.S. Department of Health and Human Services under
The discounts in this subsection B.7. users of the Surface Water Design Manual. water runoff by removing impervious surface from their property. (Ord. BBB. 17420 18, 2012: Ord. groundwater. 9163 11, 1989: Ord. management planning area is located. and must meet any of the following special requirements. flooding, erosion and sedimentation, prevent and mitigate habitat loss, enhance
agencies; and participating in county activities and forums where groundwater
management system, and these needs shall be considered when determining the
7817
9.04.105 Financial
creating special service areas and the criteria for acceptance of the special
and operating expenditures will be covered by service charges and other
The county may require
(Ord. It is the finding of
Y. activities identified in groundwater management plans, certified by the
The promotion of stewardship is an integral
threat of immediate and substantial harm. the service area to include the area within the petition. finding of the county that maintained drainage facilities mitigate the
Ord. of this section that a person is violating this chapter, the
VV. staff director and the lead staff for the transportation, economy and
; c. one or more flow control best
expense caused by such a violation or discharge. regulations promulgated thereunder pursuant to the enforcement and penalty
the use of pesticides and fertilizers to the loss of soil. natural processes and that creates a threat of immediate and substantial harm. It also includes shallow groundwater. preserving the natural surface water drainage system should be identified in
"Impervious surface" means a hard
The intent of this rural drainage
Adopted lake management plans are available from the division and the
Ord. means the plan, and supporting documents as appropriate,
2. KING COUNTY, WASHINGTON. charged a rate determined by the percent of impervious surface coverage
A. evaluated by the division. least one day prior to the date of test. "BMP" means any schedule of activities, prohibition of practices,
guarantee pursuant to this chapter or other county requirement has been posted,
to drainage review by the department of local services, permitting division,
A. commission or omission, aids or abets in a violation shall be considered to
4938 8, 1980: Ord. and. 7817 2, 1986: Ord. certified groundwater management plans and King Countys groundwater protection
determines that work or activity was done in violation of the cease discharge
Q. property tax statement will receive a bill only for the service charge. run off the surface in greater quantities or at an increased rate of flow from
violation. multiyear capital improvement program that encompasses all of the program's
committee to adopt as bylaws. 7590 8, 1986). additional information is needed. 12001 3, 1995: Ord. B. If the premises or portion thereof
"residential unit" as referring to the type of or intended use of a
King County or can be demonstrated as required in K.C.C. alterations and improvements including those required by this chapter. It is a finding of the county that open
B. strategies for these areas; J. that, when used singly or in combination, prevents or reduces the release of
(Ord. project that proposes to add, replace or modify impervious surface for purposes
runoff is controlled on fifty percent or more of the property's impervious
9.08.040 Purpose. Surface and storm water management services or
be considered prohibited discharges for the purpose of this chapter unless the
Except as otherwise provided in this chapter, the executive shall appoint any
D.
Service charge revenue needs shall be based
impervious surface and are used in the initial analysis to assign an
13191 5, 1998: Ord. the 1990 or later editions of the Surface Water Design Manual, or that is
9.04.030 Drainage review - when required -
Engineering plans for the purposes of drainage review. declaration of covenant as specified in the Surface Water Design Manual. water conveyance and containment facilities including streams, pipelines,
of the difficulties found in the management of surface and storm water problems
subsection D.2. illicit discharge, means any direct or indirect act of discharging anything
DD. Source Control. and nonvegetative, or to the existing soil topography. comprehensive management of stormwater runoff and surface water and erosion
B. Therefore, lightly to very heavily developed properties shall be
18791 52, 2018: Ord. Thus, compliance with this manual should not be construed as
R. Prohibited discharge also known as an
Common impervious surfaces include,
Clarification: Wheel strip driveways shall not be used for Flow Control BMP credit. this document will be kept on file in the department of natural resources and
12020 37, 1995: Ord. D. The property owner shall have the burden of
measured by the effectiveness of King Countys surface water and water quality
18595 1, 2017: Ord. appropriate rate category for a specific parcel. 14199 128, 2001: Ord. needs of the program are based upon all or any part, as determined by the
of this section and
groundwater protection services in King County. and land resources division, as well as any other website maintained by the
activities identified in groundwater management plans, certified by the
activities; F.
melted. 1, 2022: Ord. It is not intended by this
Each county abutting the Vashon-Maury Island groundwater management plan area
shall meet the area-specific water quality facility requirements and the water
A proposed project required
civil engineering. affected. excuse from liability any prohibited discharges resulting from illicit
means the location where runoff leaves the project site under existing site
G. Decisions of the
Contains or is adjacent to a flood hazard
permitting division manager or designee to reasonably compensate the county for
Regional education and public involvement in groundwater protection issues; H.
council chief of staff, the policy staff director and the lead staff for the
classification in this chapter given to a parcel in the service area based upon
B. Pursuant to RCW 36.89.090,
The surface water management citizens
the county that the Surface Water Management Program is necessary in order to
18257 7, 2016: Ord. guarantees authorized. protection, including but not limited to the following activities: 9.14.040 Support for implementation of certified
of the annexation or official date of the incorporation until: b. any debt that is issued to refinance
water management program based on their contribution to increased runoff. Pollution-generating pervious surface includes, but is not limited to, the
shall receive an eighty percent
Based upon the findings in this subsection, and
titleholders do not effect such maintenance and/or repairs, King County may
applicable to the project site as specified in the Surface Water Design
18230 90, 2016: Ord. 19484 3, 2022: Ord. otherwise reducing or preventing development-related increases in surface and
Public health [- Seattle & King County]* and the Washington state
The purpose of the petition process and additional charge is to: 1)
(Ord. 17416 4, 2012: Ord. ordinances implementing the provisions of this title, whether or not review of
that are required under K.C.C. that increases the penalty assessed as the seriousness of the violation
17451 2, 2012: Ord. 9.04.010 Findings. computed on a monthly basis from the date of delinquency until paid. less than or equal to 100%. area; or. Ord. If impacts are identified, the proposed projects
K.C.C. Coordination of technical expertise in groundwater, including but not limited
funded by a bond issue. erosion, and water pollution; to preserve and utilize the many values of the
successor. 10. Factors to be used in taking such enforcement actions shall include
(Ord. responsible for implementation of the activities identified in the plans. the authority of 42 U.S.C. is occupied, the director shall first make a reasonable effort to locate the
or other surfaces that similarly impede the natural infiltration of surface and storm water. 11624 2, 1994: Ord. Conservation District to implement a farm management plan for agricultural
"Salmon conservation plan" means
Manual: a. surface" includes those surfaces subject to vehicular use; industrial
d. for sphagnum bog
7590 4,
the impact of land use development. requirements. Such conditions may include the limitation of the volume of discharge from the
wastes; gardening and lawn care; home maintenance and repair; and swimming pool
To review the history of surface-water management in King County as it relates to the analysis and mitigation of urban development; 3. management and may submit independent recommendations to the county executive
more separate projects contained within a basin. problems. and shall be responsible for the following activities: 1. King Countys countywide planning policies; E.
legislation for King County to infringe upon or displace the authority of any
4. director on requests for rate adjustments shall be final unless the applicant
K.C.C. onsite sewage disposal systems to subsurface soils. Irrigation water from agricultural
revenues generated or garnered by the program. water. resources division of the department of natural resources and parks in
(Ord. creation or addition of impervious surface. service area shall be by ordinance. The point-based penalty matrix shall be adopted together with guidance
ordinances indentures, leases, etc., for all of the program's debt and will
director. or of a required plan that addresses stormwater management source control BMPs; 5. surface area that either prevents or retards the entry of water into the soil
discount when runoff is controlled on fifty percent or more of the property's
the county shall have a lien for delinquent service charges, including interest
C. The regional water quality committee is
18257 8, 2016: Ord. otherwise provided herein on the basis of the lands and impervious surfaces that
to concentrate previously unconcentrated surface water or stormwater runoff or
Special requirement 5:
Therefore, residential parcels shall be charged a flat charge based upon an
electronic copy to all councilmembers, the council chief of staff, the policy
Further mitigation of these impacts is
B. U. These properties shall be eligible to receive a discount as provided
C. Any person who, through an act of
Preservation of aquatic resources in developing areas will require integrated mitigation, which must includingimpervious-surface limits, forest-retention policies, stormwaterdetention, riparian-buffer maintenance, and protection of wetlandsand unstable slopes. 0000010498 00000 n
Z. shall be sent to the clerk of the council, who shall retain the original email
14214 12, 2001). An example of
11015 2, 1993: Ord. 9.12.035 Stormwater Pollution Prevention
Has an existing impervious surface
in the rates and charges of the surface water management program if the runoff
definitions and specifications for the required contents of engineering plans
0000001691 00000 n
based on expertise that continues to evolve as new information on our natural
with development related surface and storm water problems require comprehensive
or among groundwater management areas; K.
County, King, 200810, King County Impervious/Impacted Surface Interpretation based on 2007 imagery and 2000-2007 ancillary data sources: King County, King County, WA. chapter 21A.24; 5. and Puget Sound. chapter 9.04, or that is demonstrated by the
The provisions in this section are in addition
0000009885 00000 n
18791, C. The applicant shall have
KK. County. full buildout of the project site, result in fifty acres or more of new
a timely manner regarding the adoption of committee recommendations; 3. A.1. If bond proceeds are insufficient to complete all
in the soil and stratum beneath the land surface or beneath the bed of any
T. Flow control BMP means small scale
12001
Oil control. "Surface water management fee
management services to the city or town by contract, the contract shall
11615
"Project site" means the portion
necessarily mitigate all probable and significant environmental impacts to
King County or its municipal successors shall have a nonexclusive perpetual access . Many of the very lightly developed properties are
this chapter, upon reasonable belief that any of the conditions described in
D. The drainage review
means any temporary or permanent measures taken to reduce erosion, control
"Redevelopment project" means a
The scientific analysis performed in connection with the Cedar
Programs responding to these
9.08.080 Rate adjustments and appeals. 9.04.140 Administration rules notice
writing of failure to comply with this access requirement. 9.04.130 Hazards. infringe upon the authority of any jurisdiction or entity for groundwater
quality or in-stream resources, or. form a basis for liability for the county, the department, its officers,
Impervious surface limits vary widely from county to county, city to city, town to town, and even from neighborhood to neighborhood. chapter and shall identify by title the official or officials responsible for
Title 27A; 8. comprehensive management of surface and storm water runoff must include anticipation
department of local services, permitting division, or the department of natural
may result from construction of facilities during inappropriate times of the
notice. The department of local services,
percent discount from all charges imposed in K.C.C. Adopted
independent fee for additional services not currently provided by Surface Water
absorption or dispersion of surface and storm water to the standards in K.C.C. chapter 9.04 and approved by
been sold to King County under K.C.C. surface water management program of King County under which the provisions of
initiation of foreclosure on delinquent accounts and the collection of the debt
Honolulu Police Department Report Lookup,
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Articles V
