City officials in Elgin are notifying residents after semiannual water testing again showed elevated lead readings in a portion of samples.
Although the city still crossed the federal trigger for action, officials said the newest data improved from the prior monitoring period following adjustments to treatment.
What happened?
According to the Daily Herald, Elgin’s regular drinking-water monitoring found lead results above the federal action level in the latest batch of samples.
In the first testing cycle of the year, the system’s 90th-percentile lead reading was 0.0185 milligrams per liter, compared with the federal action level of 0.015…