To Cody Bridgewater, an unexpected change in effluent quality is no cause for hasty action — it’s a time for deliberate steps and patient observation.“One thing I really stress to our team is that when we make changes to the system, we’re going to make them one at a time, so we can determine whether that change has had an effect, negative or positive,” says Bridgewater, plant supervisor at the Oakdale (California) Wastewater Treatment Plant.“We have to be patient enough to allow changes to take effect. Usually, after two to three weeks at the earliest, we’ll re-evaluate and see what
