Can I take my landlord to small claims for my water bill?

Yes, you landlord may take you to small claims court for the water bill. At such a small amount, your landlord may decide not to take you to small...

Is my landlord responsible for paying half of my water bill?

Normally the lease specifies who is responsible for paying the bill.

Yes, the landlord must still go to court, but they do not have to wait 30 days after giving you notice to do so. The waiver accelerates the process.

shareholder agreement needed when the equity split is not 50/50?

You ask if it is "needed" and the answer is no if the word need equals "required". You are not required to have a shareholder agreement. However,...

They may file a class action lawsuit, but the question is on what legal grounds. Normally, a plaintiff needs standing to sue so they would need to...