Answering Aeration's Big Dilemma — Repair Or Replace?

In wastewater treatment plants (WWTPs), repair vs. replace considerations are an ongoing dilemma. How much money is it sensible to spend repairing an older piece of equipment vs. upgrading to the best overall replacement option for current operating conditions? Even if the underlying hope is for a quick and easy repair, the answers are not always cut-and-dried. Before making the default decision to repair, evaluate key points that can pay dividends both immediately and over the long run.