(Effective until April 1, 2025)
Sewage technologies.
(1) The department may develop recommended standards and guidance to assist local health officers in permitting different types of sewage treatment and distribution technologies including the following four broad categories:
(a) Public domain treatment technologies (e.g., sand filters);
(b) Proprietary treatment products (e.g., aerobic treatment systems and packed bed filters);
(c) Public domain distribution technologies (e.g., gravel or generic gravel substitutes, gravity and pressure distribution methods and materials);
(d) Proprietary distribution products (e.g., subsurface dripline products or gravelless distribution products).
(2) All types of sewage technologies must have either standards for use described in this chapter or departmental recommended standards and guidance before the local health officer may permit them. Recommended standards and guidance may include information and detail such as:
(a) Application;
(b) Design;
(c) Installation;
(d) Operation, monitoring and maintenance;
(e) Performance expectations; and
(f) Sources of information.
[Statutory Authority: RCW
43.20.050. WSR 05-15-119, § 246-272A-0100, filed 7/18/05, effective 9/15/05.]
(Effective April 1, 2025)
Sewage technologies.
(1) The department shall maintain standards and guidance for local health officers to permit sewage treatment and distribution technologies.
(2) Before the local health officer permits sewage technologies, the sewage technologies must be registered for use as described in this chapter, have standards for use as described or referenced in this chapter, or have DS&G describing sewage technologies uses as maintained by the department.
(3) The department may remove, restrict, or suspend a proprietary product's approval for use based on failure to meet required standards or conditions of approval or if the information provided by the manufacturer is false, erroneous, or unrepresentative of the approved product.
[Statutory Authority: RCW
43.20.050(3),
43.20.065, chapters
70A.105 and
70A.110 RCW. WSR 24-06-046, § 246-272A-0100, filed 3/1/24, effective 4/1/25. Statutory Authority: RCW
43.20.050. WSR 05-15-119, § 246-272A-0100, filed 7/18/05, effective 9/15/05.]