How much money do I need to keep in my citizens bank account?

AMERICAN PRIDE Bank 10 ATLANTIC Community BankR Bank 12 Farmers & Merchants Savings Bank 3 First Farmers & Merchants National Bank 2 First Financial Bank 3 FIRST National Association National Bank AMER 9 First National Bank of Groton 1 First National Bank of Jeanerette 2 First State Bank & Trust 5 Glennville Bank 7 Jeff Bank 21 Lake Country Community Bank 1 Longview Bank 8 MACATAWA Bank National Association 3 North Dallas Bank & Trust Company 12 Prism Bank 12 Progressive National Bank 6 Southeast First National Bank 4 Todays Bank 13 Waumandee State Bank 13