Shreveport Water Purification 3205 Blanchard Rd Shreveport, LA 71103 Phone : (318) 673-7654 Shreveport Water Purification Business Category Government Offices-City Village & Twp Legislative Bodies Shreveport City Of--operational Services, Office Of Water And Sewerage, Water Purification Division, Water Purification Lab Shreveport, LA 71101 Phone : (318) 673-7654 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools