Email – An email is sent out within 30 minutes after the eruv’s status has been determined. You can sign up to this service by sending a blank email to hperuv+subscribe@groups.io.
Facebook – Join the Facebook Group hperuv and get the eruv notifications within 30 minutes after the Twitter update.
Website – The HP ERUV website at hperuv.org will show the eruv’s status on the top of the main page. The website also has an up to date map of the entire eruv.