Hydronos Corporation

Overview
Hydronos Corporation, doing business as The Leak Authority, is a California-based company that provides leak detection and water system diagnostics. Established in 2025 by John C. Stephenson, the corporation operates from Vallejo, California, with additional offices in Daly City, Mill Valley, and Sacramento. The company is licensed and insured in California (Contractor’s License #1078389) and has announced plans to expand its services into Nevada.
The company focuses on improving how communities, businesses, and municipalities manage and conserve water. Its stated mission is to introduce advanced diagnostics and reliable leak detection as part of broader water conservation practices.
History
Hydronos Corporation was founded on July 22, 2025. Its trade name, The Leak Authority, reflects the company’s emphasis on specialized diagnostics and field expertise in identifying water system failures. Founder John C. Stephenson previously gained professional experience in leak detection and water diagnostics before establishing the company.
Since its founding, the corporation has expanded its service coverage across Northern and Southern California, with growth initiatives to reach Nevada in the near future.
Services
The Leak Authority provides a range of leak detection and water diagnostic services, including:
- Leak location and detection for residential, commercial, and municipal systems.
- Water pressure testing and system diagnostics to identify inefficiencies.
- Large-scale surveys for contractors and municipalities.
The company also emphasizes research and innovation. Upcoming initiatives include:
- LeakCraft™ – a training platform designed for contractors, plumbers, and technicians.
- HydroSolve – a planned water mitigation solution.
- The Global Drip – a nonprofit initiative dedicated to water conservation on a global scale.
Founder
John C. Stephenson is the founder of Hydronos Corporation. He has worked in the leak detection industry for several years and is recognized for promoting accuracy and customer-first service models.
Headquarters
Primary Office: Vallejo, California
Additional Offices: Daly City, Mill Valley, Sacramento
Media Coverage
Hydronos Corporation Expands Water-Saving Technology Across Northern & Southern California With Nevada on the Horizon, Fox40
The Leak Doctor with John Stephenson – Technician Supervisor at American Leak Detection, Watching Paint Dry Podcast