PowerShell Script to Cleanup all Recycle Bins in a Site Collection in SharePoint 2013

Here is a PowerShell script which will take a site collection URL as input and then iterate through each sub web in the site collection, clearing it's recycle bin before finally clearing the site collection recycle bin at the end.

• Open PowerShell window in your system.
• Paste the below code in your PowerShell window.
• Run the script.

[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SharePoint");
$url = $args[0];
$site = new-object microsoft.sharepoint.spsite($url);
for ($i=0;$i -lt $site.allwebs.count;$i++)
{
  write-host $site.allwebs[$i].url "...deleting" $site.allwebs[$i].recyclebin.count "item(s).";
  $site.allwebs[$i].recyclebin.deleteall();
}
write-host $site.url "...deleting" $site.recyclebin.count "item(s).";
$site.recyclebin.deleteall();
$site.dispose();