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Island County Best Management Practices (BMP)

Welcome to the Best Management Practices. Click on any of the links here to find out general information on that topic.

Island County Best Management Practices. Staff is available to help you understand BMP requirements. Detailed instructions for each BMP have been drawn up and are available here on the website or upon request from County offices. If you are at all unsure of how to install or implement these​, please don't hesitate to contact us or ask for onsite assistance.

NOTE: Failure to meet these requirements may result in unnecessary delays and costs. For development with 5000 square feet or greater of impervious surface, and/or near steep slopes, bluffs, wetlands, streams, and other protected features, additional requirements may apply.