Real-time Hydrometeorological and Environmental Monitoring

•  Water Resources •  Flood Warning •  Dam Safety •  Reservoir Operations •  Irrigation
•  Wastewater •  Stormwater •  Water Quality

OneRain's solutions are based on our extensive experience in providing the highest quality rainfall and related environmental data serving engineering and hydrology markets where the rainfall, flow, weather, and related data impact the design and operation of trillions of dollars worth of constructed facilities each year. We build, maintain and troubleshoot systems that collect data and present information for mission-critical decision making.

Our Total Systems Approach

flood warning system infographic

Everything you need to monitor, analyze, alert and manage rainfall, stream flow rates, river, lake levels and other weather and environmental data...

OneRain offers a full range of innovative real-time hydrometeorological data collection solutions and data services to our customers, principally government agencies, engineering, and hydrology markets. Our systems are used for operational decision support and emergency operations, post-event analysis, model calibration and planning in flood forecasting and early warning, dam safety monitoring, reservoir operations, stormwater and wastewater management.

 Water Resources Data Collection and Management Platform
 Visualization Software
 Data Management Tools
 Real-time Web Services
 Radar Rainfall Estimation
 Historical Rainfall Data
 StormProperties™ Analysis
 Field Decoder Solutions
 Network Design and Analysis
 ALERT2™ Implementations and radio path design
 Satellite Telemetry and Services
 System Integration and Modernization of Network Architecture
 Gauge Installation and Maintenance
 Gauge Maintenance Training Programs


Contrail, DIADvisor, StormLink, StormData, and StormProperties are trademarks or registered trademarks of OneRain Incorporated. ALERT2 is a trademark of the National Hydrologic Warning Council (NHWC).