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In addition to those definitions set forth in Chapter 246-272A WAC, the following words and phrases as used in this chapter shall, unless the context clearly indicates otherwise, be defined as follows:

(1) “Aggrieved person” means any person whose interests are, or will likely be, specifically and perceptibly harmed by a requirement, determination, or decision of the Health Officer, or designee of the Health Officer, and where a decision in favor of said person would substantially eliminate the harm caused, or likely to be caused, by the requirement, determination, order or decision.

(2) “Approved homeowner inspection” means an OSS evaluation performed and reported by a homeowner meeting the homeowner certification and reporting requirements of this chapter.

(3) “Board of Health” or “BOH” means the Clallam County Board of Health.

(4) “CCC” means Clallam County Code.

(5) “Community on-site sewage system” means any residential on-site sewage system designed to serve two or more dwelling units, or designed to serve two or more residences on separate lots, with design flows less than 3,500 gallons per day. Single-family residences with an accessory dwelling unit (ADU) on the same OSS are not included in this definition.

(6) “Commercial on-site sewage system” means any nonresidential or combined residential/nonresidential on-site sewage system with a design flow less than 3,500 gallons per day.

(7) “Critical aquifer recharge area” means a geographical area which contains hydrogeologic conditions that provide the recharge to an aquifer(s) that is a current or potential potable water source and, due to its geological properties, is highly susceptible to the introduction of pollutants; or, because of special circumstances, has been designated as a critical aquifer recharge area in accordance with WAC 365-190-080 and Chapter 27.12 CCC.

(8) “Department” means the Washington State Department of Health.

(9) “Designer” means a person who matches site and soil characteristics with appropriate on-site technology. This term applies to professionals licensed under Chapter 18.210 RCW and professional engineers licensed under Chapter 18.43 RCW.

(10) “Environmental Health Services” or “EHS” means the Environmental Health Section of the Department of Health and Human Services.

(11) “Failure” means a condition of an on-site sewage system that threatens the public health by inadequately treating sewage or by creating a potential for direct or indirect contact between sewage and the public (WAC 246-272A-0010). Examples include:

(a) Sewage on the surface of the ground;

(b) Sewage backing up into a structure caused by slow soil absorption of septic tank effluent;

(c) Sewage leaking from a septic tank, pump chamber, holding tank, or collection system;

(d) Cesspools;

(e) Seepage pits where evidence of ground water or surface water quality degradation exists;

(f) Inadequately treated effluent contaminating ground water or surface water;

(g) Noncompliance with standards stipulated on the permit.

(12) “Health Officer” means the person designated as such as defined in Chapter 70.05 RCW or their designee.

(13) “Individual on-site sewage system” means any residential on-site sewage system serving only one dwelling, lot, or residence.

(14) “Install” or its derivatives means the construction, relocation, alteration, extension, expansion, modification, replacement, and repair of all or any portion of an on-site sewage system, including but not limited to the septic tank, pump chamber, main and lateral lines, associated excavation, gravel and gravel-less chambers, and cover.

(15) “Maintenance” means the performance of noninvasive activity, both regularly scheduled and provisional, to preserve the intended function of the OSS.

(16) “Marine recovery area” or “MRA” means an area of definite boundaries encompassing areas bounded by marine waters and adjacent uplands where the Health Officer, or the Department in consultation with the Health Officer, determines that additional requirements for new and existing on-site sewage systems may be necessary to reduce potential failing systems or minimize negative impacts of on-site sewage systems (Chapter 70.118A RCW).

(17) “On-site sewage system” or “on-site septic system” or “OSS” means an integrated system of components, located on or nearby the property it serves, that conveys, stores, treats, or provides subsurface soil treatment and dispersal of sewage. It consists of a collection system, a treatment component or treatment sequence, and a soil dispersal component. An on-site sewage system also refers to a holding tank sewage system or other system that does not have a soil dispersal component. For purposes of this chapter, the term “on-site sewage system” does not include any system regulated by a water quality discharge permit issued under Chapter 90.48 RCW.

(18) “On-site sewage permit” means a written permit issued by the Health Officer granting permission for the installation, repair or decommissioning of an on-site sewage system.

(19) “Performance monitoring” means the observation, evaluation and testing, if required, of an OSS to determine its current compliance with treatment and disposal standards in effect at the time the Division issued its permit.

(20) “Person” means:

(a) Applicant;

(b) Reapplicant;

(c) Permit and/or license holder; or

(d) Any individual associated with subsection (20)(a), (b), or (c) of this section including but not limited to:

(i) Board members;

(ii) Officers;

(iii) Managers;

(iv) Partners;

(v) Association members;

(vi) Agents;

(vii) Third persons acting with the knowledge of such persons.

(21) “Repair” means the replacement of, addition to, or alteration of a septic tank, sewage treatment device or other appurtenances to an existing on-site sewage system, including any replacement, addition, or alteration of a subsurface disposal field as a result of failure.

(22) “Resident owner” means a person who installs and/or inspects an on-site sewage system for their personal single-family residence.

(23) “Sewage system installer” means any person(s) engaged in the activity of installing and/or repairing an on-site sewage system.

(24) “Sewage system installer’s license” means the written license issued annually by the Health Officer authorizing a person to install on-site sewage systems.

(25) “Sewage system maintenance provider” means a qualified person licensed to inspect, monitor, and maintain on-site sewage systems. This does not include an individual licensed by the Health Officer solely to pump septic tanks, or homeowners who are approved to monitor and maintain their own OSS.

(26) “Sewage system maintenance provider’s license” means the written license issued annually by the Health Officer authorizing a person to perform routine maintenance and monitoring activities.

(27) “Septic tank pumper” means any person(s) engaged in the activity of cleaning and pumping septic tanks, chemical toilets, or other accumulations of sewage.

(28) “Septic tank pumper’s license” means the written license issued annually by the Health Officer authorizing a person to engage in the activity of cleaning septic tanks, chemical toilets, or other accumulations of sewage.

(29) “Site installer” means an individual that maintains an annual license, and is working under the direction of another licensed installer.

(30) “System status inspection” means an inspection performed by a person or business authorized by the Health Officer of all components of an OSS to determine and report the system’s functional condition.

(31) “System status report” means documentation showing the location, type, use, and conditional function of an OSS. It may also include any significant deficiencies and/or critical service items and the steps proposed and/or taken to remedy such findings.

(32) “Unknown system” means an on-site sewage disposal system installed without the knowledge or approval of the local health jurisdiction, including those installed before approval was required.

(33) “WDOH” means the Washington State Department of Health.