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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.

Appendix A (Halogenated Solvents List)

List of Halogenated Solvents

Appendix B - Adobe Acrobat version

EPA Title III Consolidated List of Lists - June 2019 version

Appendix B - EPA Searchable Database

E.P.A. Title III Consolidated List of Lists - June 2019 Version

Appendix B - Excel version

E.P.A. Title III Consolidated List of Lists - June 2019 version

Groundwater Protection Manual

Contains regulations and best management practices for Wellhead Protection Program

Groundwater Protection Program & Reporting information

More information about the protection program, technical assistance resources, the online annual reporting process, and development review hazardous materials inventory forms.