An injection data management system (172) is disclosed. Injection-related data (182) is stored on the injection data management system (172) on a customer-by-customer (122) basis. A given customer (122) may communicate with the injection data management system (172) over the Internet (160) using an appropriate data communications device (124). Upon providing appropriate authenticating data (146) to the system (172), a customer (122) can access, view, and/or assess its own injection-related data (182) that is stored on the system (172) over the Internet (160).