How much money can a US citizen have in a foreign bank account?

Adams State Bank 6 AMERICAN Bank&TR CO 4 BAKER BOYER National Association National Bank 10 Bank of Romney 7 Bank of Vernon 7 CCB Community Bank 18 Clarion County Community Bank 4 Commencement Bank 7 COMMONWEALTH BUS Bank 14 FIRST FED Community Bank National Association 7 First National Bank of Manning 1 First Pryority Bank 12 Honor Bank 18 Perennial Bank 3 PLAINS State Bank 3 Savannah Bank, National Association 8 Senath State Bank 6 SOUTHERN B&TC 5 Washington County Bank 9 WILSON B&TC 6