Former Portland Grain Storage Site (USDA IA-718)
Chapter 133 - Closed
16027 Thrush Ave , Mason City , IA 50401
Project Manager: Matthew Graesch

Summary

USDA was denied access by the current landowner for the purpose of environmental evaluation and testing. The site will be marked "closed" since access was not granted, and no further work is scheduled (9/15/25).
State of Iowa DNR Home Site Policy
Leading Iowans in caring for our natural resources
Version: 4.2.7.18365