Washington Administrative Code

(1) This chapter establishes the review, criteria and decision-making procedures for evaluating on-site sewage disposal system additives to determine whether individual additives have an adverse effect on public health or water quality.(2) The Washington state department of healt…

"Additive" means a commercial product intended to affect the performance or aesthetics of an on-site sewage disposal system."Additive manufacturer" means any person who manufactures, formulates, blends, packages, or repackages an additive product for sale, use, or distribution wi…

(1) After July 1, 1994, no person shall use, sell, or distribute an on-site sewage disposal system chemical additive in Washington state.(2) After January 1, 1996, no person shall use, sell or distribute an on-site sewage disposal system additive whose ingredients have not been a…

(1) Manufacturers desiring to sell, advertise, or distribute an on-site sewage disposal system additive for use in Washington state must request and obtain departmental review and approval of their product(s) by submitting a complete application, including:(a) Comprehensive, yet …

The department shall:(1) Upon receipt of an application for review and approval of an on-site sewage disposal system additive:(a) Determine if the application is complete. The department may return incomplete applications, suspending further review until a completed application i…

(1) The following substances and compounds shall not be ingredients of approved on-site sewage disposal system additives. Trace amounts of these substances and compounds may exist in approved on-site sewage disposal system additives if deemed safe by the department for use in an …

Manufacturers of approved additives advertised, sold, or distributed in Washington state shall:(1) Make no claims relating to the elimination of the need for septic tank pumping or proper septic tank maintenance;(2) List the components of additive products on the product label, a…

Reregister, by written correspondence to the department, their on-site sewage disposal system additive product(s) each time the product formulation changes. The department may require a new review and approval for reregistration of products that undergo formulation changes.[Statu…

(1) Manufacturers shall submit a signed confidentiality statement if any information submitted would, if made public, divulge confidential business information, methods, or processes entitled to protection as trade secrets of the manufacturer, and identify any such information.(2…

(1) The attorney general, or appropriate city or county prosecuting attorney may bring appropriate action to enjoin any violation of the:(a) Prohibition on the sale or distribution of on-site sewage disposal system additives; or(b) Conditions of RCW 70A.105.080 and WAC 246-273-06…

(1) The purpose of this chapter is to establish requirements that provide building owners with simple, cost-effective options for reusing greywater for subsurface irrigation.(2) This chapter is intended to encourage water conservation and to protect public health and water qualit…

(1) This chapter applies to greywater irrigation systems with design flows under three thousand five hundred gallons per day.(2) This chapter does not apply to the reuse of greywater inside buildings regulated under the Uniform Plumbing Code as adopted in chapter 51-56 WAC.(3) Th…

(1) Greywater reuse must comply with all applicable local ordinances and codes, and state statutes and regulations including, but not limited to, the Uniform Plumbing Code, as adopted in chapters 51-56 and 51-57 WAC.(2) For buildings using an on-site sewage system, the use of a g…

(1) The local board of health and local health officer shall implement this chapter under authority of chapters 70.05, 70.08 and 70.46 RCW, as applicable, no later than three years after the effective date of this chapter. During the period of time that a local board of health do…

The definitions in this section apply throughout this chapter unless the context clearly requires otherwise.(1) "Evapotranspiration rate" means the sum total of plant transpiration, evaporation off of the soil surface, and water used for plant growth.(2) "Failure" means a conditi…

(1) The following conditions and restrictions apply to all tiers of greywater irrigation systems:(a) The greywater must be used only for subsurface irrigation.(b) The greywater may be used for subsurface irrigation of plants that produce food but must not come into contact with e…

(1) The following conditions and restrictions apply to each Tier 1 greywater irrigation system:(a) The greywater must be light greywater.(b) The total flow of greywater must be sixty gallons per day or less.(c) The greywater must originate from a single-family residence.(d) The s…

(1) The following conditions and restrictions apply to Tier 2 greywater irrigation systems:(a) The greywater must be light greywater.(b) The total flow of greywater must be less than three thousand five hundred gallons per day.(c) The greywater may originate from a residential or…

(1) A Tier 3 greywater irrigation system is a system that uses a treatment component.(2) A treatment component is required when the system:(a) Reuses dark greywater;(b) Involves storage of greywater for more than twenty-four hours;(c) Irrigates a green roof;(d) Serves a high publ…

(1) This section applies to treatment technologies for Tier 3 greywater irrigation systems.(2) All proprietary greywater treatment products used to treat light greywater shall meet the requirements of NSF/ANSI Standard 350-1, 2011, of the National Sanitation Foundation Internatio…

Tier 1, Tier 2, and Tier 3 greywater irrigation systems shall be designed and installed to meet the minimum horizontal setback requirements specified in Table I.Table IMinimum Horizontal Setbacks From edge of subsurface irrigation componentsFrom tank and other system componentsBu…

(1) Tier 2 and Tier 3 greywater irrigation systems must be designed by a qualified professional, except:(a) The local health officer may allow a resident owner of a single-family residence, not adjacent to a marine shoreline, to design a system for his or her residence when the s…

Greywater irrigation fields for Tier 2 and Tier 3 systems must be designed to meet the following requirements:(1) Calculation of the total irrigation area is based on:(a) The operating capacity of the system; and(b) Irrigation rates that are dependent on the plant factor and evap…

(1) A soil and site evaluation is required for Tier 2 and Tier 3 greywater irrigation systems. Only qualified professionals or local health officers may perform soil and site evaluations. Soil scientists may perform soil evaluations.(2) The local health officer may allow a reside…

(1) Before beginning the construction of a Tier 2 or Tier 3 greywater irrigation system, a person proposing the installation of the system shall provide information to, and obtain a permit to install from, the local health officer. The information provided must include:(a) The fo…

(1) Only a person approved by the local health officer to install greywater irrigation systems may construct and install a Tier 2 or Tier 3 system.(2) The local health officer may allow the resident owner of a single-family residence, not adjacent to a marine shoreline, to instal…

(1) For Tier 2 greywater irrigation systems that require an installation permit, and for Tier 3 greywater irrigation systems, the local health officer shall:(a) Either inspect the system before cover or allow the person who designed the system to perform the inspection before cov…

(1) The owner of a Tier 2 or Tier 3 greywater irrigation system is responsible for properly operating, monitoring, and maintaining the system as follows:(a) Obtain approval from the local health officer before altering or expanding the system;(b) Protect the greywater irrigation …

If a Tier 1, Tier 2, or Tier 3 greywater irrigation system fails or a failure is suspected, the owner of the system shall immediately divert the greywater to the approved public sewer system or on-site sewage system serving the building. No person may use the greywater system unt…

(1) The local health officer shall enforce these rules and may initiate enforcement actions against the system owner or other person causing or responsible for the violation of these rules. Enforcement actions may include, but are not limited to, requiring a person to stop work o…

All local boards of health shall establish rules for conducting hearings requested to contest a local health officer's actions under this chapter. If the local board of health determines that the rules established under WAC 246-272A-0440 (1)(b) for conducting hearings to contest …

The local health officer may grant a waiver from specific requirements of this chapter if he or she determines:(1) That the waiver requested is the minimum deviation from the specific requirements of this chapter that is necessary for the conditions; and(2) The alternative approa…

This chapter shall take effect on July 31, 2011.[Statutory Authority: RCW 90.46.015. WSR 11-02-011, § 246-274-465, filed 12/28/10, effective 7/31/11.]

(1) Authority. Under the authority of RCW 43.20.050, powers and duties of state board of health, these regulations are hereby established as minimum requirements for the monitoring and classification of recreational shellfish beaches.(2) Purpose. It is the purpose of chapter 246-…

(1) Abbreviations:(a) "ml" means milliliter; and(b) "PSP" means paralytic shellfish poisoning.(2) "Beach evaluation" means the examination of the sanitary conditions of recreational shellfish beaches through water quality testing, shellfish tissue testing, PSP testing, and sanita…

(1) The department and the health officer for each local health jurisdiction shall develop a joint plan of operation designating the roles of each agency for administering chapter 246-280 WAC. This plan shall:(a) Specifically designate those recreational shellfish beaches include…

(1) The department or the health officer for each local health jurisdiction as designated in the joint plan of operation, under WAC 246-280-015, shall classify recreational shellfish beaches, based on the risk to public health from consuming shellfish. After completing an initial…

(1) The department shall classify the beach as open when the following three conditions are met:(a) The marine water covering a recreational shellfish beach shall not exceed a geometric mean value of fourteen fecal coliform bacteria/100 ml of water. In addition, not more than ten…

In addition to the evaluation of the shellfish growing waters, and before establishing a classification for the beach, the department shall conduct a sanitary survey of the shoreline and upland areas located adjacent to recreational shellfish beaches. The sanitary survey shall be…

(1) The department shall conduct a paralytic shellfish poisoning (PSP) monitoring program for recreational shellfish beaches.(2) The department shall coordinate the monitoring program with the health officer. The joint plan of operation developed between the department and the he…

These requirements, as authorized under chapter 69.30 RCW, establish minimum performance standards for the growing, harvesting, processing, packing, storage, transporting, and selling of shellfish for human consumption or bait. These requirements do not apply to persons who condu…

(1) A person engaged in a shellfish operation, possessing a commercial quantity of shellfish, or possessing any quantity of shellfish for sale for human consumption or bait, must comply with and is subject to:(a) The requirements of the U.S. Food and Drug Administration National …

(1) This section establishes the Vibrio parahaemolyticus (Vp) control plan (control plan) for the months of May 1st through September 30th (control months). The requirements of this section are an extension of the NSSP Model Ordinance.(2) A harvester or shellfish dealer harvestin…

The definitions in this section, as well as those in chapter 69.30 RCW and the NSSP Model Ordinance, apply throughout chapter 246-282 WAC unless the context clearly requires otherwise.(1) "Abatement" means an action or series of actions to eliminate a public health hazard or redu…

(1) The department shall issue the following certificates of approval to a person who conducts shellfish operationsand meets the requirements in this chapter and chapter 69.30 RCW:(a) A shellfish operation license; and(b) A harvest site certificate.(2) A person engaged in the act…

(1) A person engaged in the actions listed in WAC 246-282-005(1) shall show a valid shellfish operation license, upon request, to an authorized representative of the department, a fish and wildlife patrol officer, or an ex officio patrol officer. The shellfish operation license c…

(1) A person who engages in aquaculture activities must have an aquaculture permit. To qualify for an aquaculture permit approved by the department, the person shall comply with the NSSP Model Ordinance Chapter 6 - Shellfish Aquaculture.(2) The department shall approve an operati…

In a mooring area with a density of greater than one boat per acre, the department shall conduct a pollution assessment to support the classification of that portion of the growing area in accordance with the NSSP Model Ordinance. The department may amend the density requirement …

(1) A person harvesting a commercial quantity of shellfish or any quantity of shellfish for sale, for human consumption or bait shall harvest only from a harvest site that meets one or more of the following conditions:(a) The department has classified the shellfish growing area a…

(1) The department shall issue a relay permit to move shellfish from a harvest site in a shellfish growing area classified as restricted or conditionally approved in closed status meeting the criteria for restricted classification if the requirements in this section and chapter 6…