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Phone: 206-296-4600
TTY Relay: 711

Toll-free: 800-325-6165

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Instructions to submit a Public Records Request

Memorandums to septic system professionals

NOTE: A septic system is also referred to as an "on-site sewage system" in official documents, forms and applications.

1/12/09 Inspection Scheduling, Site Application Template and Title 13 Correction of Errors (PDF)
12/30/05 Winter Water Table Monitoring Guidelines (PDF)
7/08/02 Standards for the Submission of Documents
4/18/01 On-site System Maintainer Certification (PDF)
3/30/01 Submission of Data and Final Analysis
3/09/01 Irrigation Lines
12/01/00 Permanent Power Notice on Title
9/14/00 Sand Filter Course Sand Media
8/04/00 Updating the Inspection Protocol
1/18/00 Resubmission fees on revised site applications
9/03/99 Wastewater Program Update
7/16/99 Intermittent sand filters: Best methods and practices for design, construction, and inspection
7/02/99 Private Individual Well Source: Guidance for Determination of "Neighboring Well
4/27/99 Title 13 Amendments - Important Changes in Practice for Pumpers
3/8/99 Submission of complete applications for Health Department review