Wastewater Bacteriology

Biological wastewater treatment is undoubtedly one of the most important biotechnological processes, which have been used for over a century to treat municipal and industrial wastewaters. Culture-independent molecular techniques have been used to study the diversity and physiology of ecologically important microorganisms in wastewater treatment processes.


ESG serves corporate, private and governmental customers. Tests are performed by qualified professionals in well-equiped laboratories.

ESG reports are for compliance with US EPA & IDEM regulations, and are routinely reviewed by the following:

Indiana Department of Environmental Management (IDEM)
Office of Water Quality (OWQ)
Office of Land Quality (OLQ)
Drinking Water Branch