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246-272A-0015  <<  246-272A-0020 >>   246-272A-0025

(Effective until April 1, 2025)

PDFWAC 246-272A-0020


(1) The local health officer:
(a) Shall apply this chapter to OSS treating sewage and dispersing effluent from residential sources with design flows up to three thousand five hundred gallons per day;
(b) May apply this chapter to OSS for nonresidential sources of sewage if treatment, siting, design, installation, and operation and maintenance measures provide treatment and effluent dispersal equal to that required of residential sources.
(c) May not apply this chapter to industrial wastewater.
(2) The department shall apply this chapter for the registration of proprietary treatment and distribution products.
(3) A valid sewage system design approval, or installation permit issued prior to the effective date of these regulations:
(a) Shall be acted upon in accordance with regulations in force at the time of issuance;
(b) Shall have a maximum validity period of five years from the date of issuance or remain valid for an additional year beyond the effective date of these regulations, whichever assures the most lenient expiration date; and
(c) May be modified to include additional requirements if the health officer determines that a serious threat to public health exists.
(4) This chapter does not apply to facilities regulated as reclaimed water use under chapter 90.46 RCW.
[Statutory Authority: RCW 43.20.050. WSR 05-15-119, ยง 246-272A-0020, filed 7/18/05, effective 9/15/05.]
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