A federal judge on Thursday said he found it "shocking" that 31 Jefferson County sewage plant operators who recently took an exam to earn a higher level of certification had all failed it. "I don't ...

There are a multitude of available test procedures and methods for water and wastewater treatment operators. They range from colorimetric, titrimetric, electrometric (meter & probe), turbimetric, ...

BOSTON — The president of a Fitchburg-based private wastewater treatment and engineering company has pleaded guilty and been sentenced in connection with falsifying wastewater samples and test results ...