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Standards & Requirements

BCWMC Requirements for Improvements and Development Proposals

Adopted by BCWMC on September 17, 2015

Revised by BCWMC on May 18, 2017

Updated October 2019

The BCWMC adopted its 2015 Watershed Management Plan and the BCWMC Requirements for Improvements and Development Proposals at its September 17, 2015 meeting. The BCWMC revised requirements for linear projects at their meeting on May 18, 2017. (Linear project updates to this document were completed in August 2017.)

In October 2019, the document was updated to include new requirements for stormwater manufactured treatment devices (MTDs) (Section 6.3.3) and a new Pre-Application for Stormwater Manufactured Treatment Devices (MTD). The new form is needed for projects proposing to use an MTD and seeking higher pollutant removal efficiencies than those certified through the General Use Level Designation (GULD) certification for phosphorus treatment from the Washington Department of Ecology’s Technology Assessment Protocol – Ecology (TAPE) program.

The Requirements for Improvements and Development Proposals incorporate Minimal Impact Design Standards (MIDS) for non-linear projects.

BCWMC Requirements for Improvements and Development Proposals Document

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