My collegiate chapter doesn't have a listserv either, but when it came to emails, I was only cc'ed when the e-mails were regarding the office I advised. It didn't really matter to me if chapter was being moved to another night or so-and-so didn't turn in their study sheets, etc.

IIRC, only the chapter advisor got all the collegiate e-mails.

All the important chapter info I needed to know was given at monthly EC.