Trouble Free UV Disinfection of Lagoon Water for Irrigation 7 years without cleaning. CORTLAND, IL Project Background Cortland is Illinois’ first wastewater reuse project and was based on treating wastewater by the use of a local lagoon system. UV disinfection is not normally in conjunction with lagoon effluent. The low quality of the water decreases the UV transmittance, and thus compromises the required disinfection. However, through close collaboration with the engineering firm Sheaffer Environmental; a complete treatment process was devised and approved by the State of Illinois. The Enaqua Solution A continuous, reliable, regulated supply of UV energy is a critical requirement when UV is applied for disinfection. This is required in order to guarantee continuity of process opera

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