FRWRD's laboratory has the capacity of analyzing a wide variety of parameters in samples of industrial and domestic wastes, sludges and soils, surface and drinking water.

The primary functions of the laboratory are to provide quality control data to ensure the proper operation of FRWRD's four treatment plants, and to provide the Illinois Environmental Protection Agency with the analysis of our plant effluent that guarantee the water quality of the Fox River is being preserved. The FRWRD laboratory is also a commercial laboratory, providing service to industry, other municipalities, and the public.

The FRWRD laboratory analytical capabilities include, but are not limited to the analyses of water, wastewater and sludges for the following:

• Oxygen demand
• Residues
• Ammonia
• Nitrogenous compounds
• Phosphorous
• Fecal bacteria
• Oils & Grease
• 21 metals
• 13 phenolic compounds
• 22 pesticides
• 55 semi-volatile organic compounds
• 57 volatile organic compounds
• Identification of over 100,000 organic compounds