Buy Photo A water meter in Shreveport. (Photo: Henrietta Wildsmith/The Times)Buy Photo 31 CONNECTTWEET1 LINKEDINCOMMENTEMAILMORE A class action suit filed Wednesday against the City of Shreveport alleges the city has overcharged a “significant number” of water and sewer customers for at least a decade. Among requests in the suit is that the First Judicial District court prohibit the city from …