Wash. Admin. Code § 246-272A-0200 – Permit requirements

(1) A permit is not required for a minor repair. The local health officer may require the owner to submit information regarding any activities defined as a minor repair for recordkeeping purposes.
(2) Except for a minor repair, a person proposing the installation, repair, modification, connection to, or expansion of an OSS, shall submit an application and obtain a permit from the local health officer prior to beginning construction. The permit application must include the following:
1. (a) General information including:
  1. (i) Name and address of the property owner and the applicant at the head of each page of the submission;
  2. (ii) Parcel number and if available, the address of the site;
  3. (iii) Source of drinking water supply;
  4. (iv) Identification if the property is within the boundaries of a recognized sewer utility;
  5. (v) Size of the parcel;
  6. (vi) Type of permit for which application is being made. For example, new installation, repair, expansion, modification, or operational;
  7. (vii) Source of sewage. For example, residence, restaurant, or other type of business;
  8. (viii) Location of utilities;
  9. (ix) Name of the site evaluator;
  10. (x) Name, signature and stamp of the designer;
  11. (xi) Date of application; and
  12. (xii) Name and signature of the fee simple owner, the contract purchaser of the property, or the owner's authorized agent.
2. (b) The soil and site evaluation as specified under WAC 246-272A-0220;
3. (c) A dimensioned site plan of the proposed initial OSS, the reserve area and those areas immediately adjacent that contain characteristics impacting design including:
  1. (i) Designated areas for the proposed initial OSS and the reserve area;
  2. (ii) The location of all soil logs and other soil tests for the OSS;
  3. (iii) General topography and slope;
  4. (iv) Drainage characteristics;
  5. (v) Horizontal separations as noted in Table IV in WAC 246-272-0210;
  6. (vi) The location of existing and proposed encumbrances affecting OSS placement, including legal access documents if any component of the OSS is not on the lot where the sewage is generated;
  7. (vii) An arrow indicating north;
  8. (viii) A legend of symbols used;
  9. (ix) Plan scale and a graphic scale bar;
  10. (x) Vertical datum used (such as "assumed," "North American Vertical Datum of 1988 (NAVD 88)," "National Shoreline Reference Station (NSRS)," or "unknown");
  11. (xi) An elevation benchmark and relative elevations of system components;
  12. (xii) Name, signature, stamp, and contact information of the designer; and
  13. (xiii) A statement on limitation of use indicating the site plan is not a survey.
4. (d) A detailed OSS design meeting the requirements under WAC 246-272A-0230, 246-272A-0232, 246-272A-0234, and 246-272A-0238 including:
  1. (i) A drawing showing the dimensioned location of components of the proposed OSS, and the system designed for the reserve area if reserve site characteristics differ significantly from the initial area;
  2. (ii) Vertical cross-section drawings showing:
    1. (A) The depth of the soil dispersal component, the vertical separation, and depth of cover material; and
    2. (B) Other new OSS components constructed at the site.
  3. (iii) Calculations and assumptions supporting the proposed design, including:
    1. (A) System operating capacity and design flow;
    2. (B) Soil type;
    3. (C) Hydraulic loading rate in the soil dispersal component; and
5. (e) Any additional information as deemed necessary by the local health officer.
(3) The local health officer may develop the information required in subsection (2) of this section if authorized by local rules.
(4) The local health officer shall:
1. (a) Respond to an application within 30 days as required in RCW 70.05.074;
2. (b) Permit only public domain treatment technologies that are described in this chapter or in a current DS&G;
3. (c) Permit only proprietary products that are registered by the department;
4. (d) Issue a permit when the information submitted under subsection (2) of this section meets the requirements contained in this chapter and in local rules;
5. (e) Identify the permit as a new installation, repair, expansion, modification, or operational permit;
6. (f) Specify the expiration date on the permit. The expiration date may not exceed five years from the date of permit issuance;
7. (g) Include a reminder on the permit application of the applicant's right of appeal; and
8. (h) If requiring an operational permit, state the period of validity and the date and conditions of renewal including any required field compliance.
(5) The local health officer may revoke or deny a permit for just cause. Examples include, but are not limited to:
1. (a) Construction or continued use of an OSS that threatens public health;
2. (b) Misrepresentation or concealment of material fact in information submitted to the local health officer; or
3. (c) Noncompliance with the conditions of the permit, this chapter or any local rules.
(6) An applicant for a permit to install an OSS serving more than one development must submit an application that proves the OSS:
1. (a) Is owned or managed in perpetuity by a public entity;
2. (b) Is described in a separate writing including, but not limited to, an easement, covenant, contract, or other legal document authorizing access for construction, operation maintenance, and repair; and
3. (c) If owned privately, is adequately financed.
(7) The local health officer shall not delegate the authority to issue permits.
(8) The local health officer may stipulate additional requirements for a particular permit if necessary to protect public health.

[Statutory Authority: RCW 43.20.050(3), 43.20.065, chapters 70A.105 and 70A.110 RCW. WSR 24-06-046, § 246-272A-0200, filed 3/1/24, effective 4/1/25. Statutory Authority: RCW 43.20.050. WSR 05-15-119, § 246-272A-0200, filed 7/18/05, effective 7/1/07.]