PEN #1

Peninsula Drainage District #1

Acres 995
Landowners 15
Pump Stations 1
Miles of Levee 5
Miles of Ditches and Slough 5

Peninsula Drainage District #1 was established in 1917.  The district is unique in that it has a fairly small number of individual property owners and 86% of the land is publicly owned. Major properties in the district include the Portland International Raceway, Heron Lakes Golf Club, the Portland Expo Center, and Harsch Investment Properties. This district lies entirely within the City of Portland.

If you would like to learn about Pen 1’s board members, check out our Board Members page.

Key Materials

PEN1 FY 2017-2018 Auditor’s Report

PEN 1 FY 2018-19 Approved Budget

PEN 1 FY 2018-19 Approved Budget Narrative–  This narrative explains the key items from the budget. It includes the district mission and overview, key issues facing the district, key items from the budget presented with pie charts, and the accreditation budget.

If you would like to access past board meeting minutes and agendas, go to our Meeting Materials page.


PEN1 is largely funded by landowners within the Districts who pay an annual assessment fee to support PEN1 operations and floodplain management. If you received a letter about an assessment miscalculation in 2017-18 fiscal year, please visit our Frequently Asked Questions page for more information, or call 503-290-3569.

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