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1900 SW 4th Ave, Portland, OR 97201
Service Level Update for Sanitary and Stormwater Facilities
for Land Divisions for Attached Houses
Effective immediately, for all land divisions for attached houses, separate sanitary and stormwater systems will be required for each lot, and no portion of the system for an individual lot may be located on any other lot. (Oregon Plumbing Specialty Code (“Plumbing Code”) § 308.1.) For shared systems to be approved, applicants must seek approval, through the plumbing code appeals process, and meet the requirements for a modification or exemption from the Plumbing Code. These requirements include demonstrating that:
Historically, many applicants for land divisions for multiple attached house projects have proposed systems in which sanitary sewer and stormwater are collected through a common system and disposed to a public facility through a single shared connection. The Plumbing Code requires that each property be able to connect directly to the public system such that no portion of the plumbing, drainage or sewer system for that property is located on any other property. (Plumbing Code § 308.1.)
Effective immediately, the following apply:
The LUS Division planner will rely upon the responses from BES and the Plumbing Division on the types of sanitary and stormwater disposal systems that are acceptable.
Additional information on plumbing code appeals can be found at the following link:
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