Request for AIS Waiver for Restrained Joint Ductile Iron Fittings for the Tualatin Valley Water District and the City of Hillsboro, Oregon (WIFIA)
The following waiver request was approved by EPA on December 15, 2020.
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
The following waiver request was approved by EPA on December 15, 2020.