Pioneer Valley Web Design on "User Account Creation"

I have a page set up where they would enter information such as username and password.

Where did the page come from? A theme? Plugin? What do they say about this?

Admin dashboard>Settings>General>Check 'Anyone can register'>Update

Might want to look at this first:

http://wordpress.org/support/topic/user-registration-spam?replies=7

You can try a plugin like WP-Members and moderate user registration.