Evoqua acquires Noble Water Technologies Evoqua Water Technologies (Pittsburgh, Pa.) is to acquire Noble Water Technologies (Dallas), a provider of high purity water equipment and services, service deionization and resin regeneration. Terms were not disclosed. Noble Water Technologies serves the pharmaceutical, laboratory, food and beverage, automotive, specialty chemical, and power generation industries. Clients range from end-users to consulting and engineering firms, equipment representatives and contractors. Evoqua offers municipal and industrial water and wastewater treatment equipment and services. Evoqua was formerly Siemens Water Technologies LLC before being acquired by AEA Investors from Siemens AG in 2014 for $872 million.