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The City of Portland, Oregon

Portland Water Bureau

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Columbia South Shore Well Field Wellhead Protection Manual

Groundwater protection graphicBelow are links to the Reference Manual, Program Implementation Guide, and appendixes. The Reference Manual lays out the specific requirements to comply with the groundwater protection program. The Program Implementation Guide provides additional guidance to regulated businesses and technical personnel on how to meet program requirements, including examples, resources and equipment. 

Annual hazardous material inventory reports are often required by businesses that use chemicals in the wellhead protection area. 

Annual Reports are completed online and due by January 31 every year. Instructions are provided.