OTT HydroMet
Environmental ServicesVirginia, United States201-500 Employees
OTT HydroMet is an environmental services company based in Sterling, Virginia (22400 Davis Drive) with 201-500 employees. It has split into two independent brands: Kipp & Zonen, which specializes in weather analytics, and Ott, which specializes in hydro analytics. The company provides integrated hardware, software, and services for environmental monitoring across applications including meteorology and climatology, renewable energy, road and runway weather, surface water quantity, flood warning, groundwater, water quality, and data management. OTT HydroMet traces its heritage to a group of legacy brands—Kipp & Zonen, Lufft, SUTRON, OTT, Hydrolab, and Meteostar—and operates as part of Veralto's Water Quality segment. Recent activity includes the November 2025 acquisition of Atonometrics, Inc. and the April 2025 launch of the OTT Flood Monitoring System.