Sep 2011
Read about the challenges associated with dismantling a hydroelectric dam, new RiverSurveyor LIVE upgrades and find out why customers in Canada, France, Japan, Germany and Norway are excited about SmartPulseHD!
Jan 2011
“Water, water everywhere, nor any drop to drink,” the poet Samuel Taylor Coleridge wrote in “The Rime of the Ancient Mariner.” Those words have particular relevance to Sorrento Valley manufacturer of acoustic devices... SD Business Journal Story
Jun 2010
SonTek/YSI Receives Record $3.4 Million Dollar Order
As a result of the the ARRA of 2009, the USGS has purchased $3.4M worth of SonTek instruments. In addition to the popular FlowTracker and Argonaut products, the order also included 33 of the award winning, multi-frequency RiverSurveyor S5/M9 systems.
Feb 2010
$25,000 YSI Foundation Grant Now Available
The YSI Foundation announces the 5th Minding the Planet grant. This award will go to an organization that focuses on improving water quality while having a mission to positively affect resource policy and decision making.
Nov 2009
SonTek/YSI Recognized with Workplace Excellence Award
Nov 2009
SonTek Named Medallion Winner - San Diego Union Tribune
San Diego Union Tribune Article announces SonTek/YSI, San Diego, as winnner of a Medallion in the SHRM 2009 Workplace Excellence Awards.

Sep 2009
YSI Australia Opens New Office in Queensland

Feb 2009
YSI and SonTek/YSI to Demonstrate Advanced, Cost-Saving Technology at OceanBusiness ‘09
Jun 2008
SonTek/YSI Assists China in Emergency Dam and Flood Assessments; Donates $65K
Sep 2007
SonTek/YSI Celebrates 15 Years of Industry Leadership
Jun 2007
Jun 2007
Apr 2007
Marine Technology Reporter - Q&A with Ramon Cabrera

Ramon Cabrera being interviewed by YSI Documentary Film Crew.
Feb 2007
SonTek/YSI Users Forum Educates – Highlights Global Water Issues
Feb 2007
SonTek/YSI Moves to “Center of Excellence”
Apr 2006
SonTek Announces Plans to Expand San Diego R&D Team
Mar 2006
Company Founder Rejoins SonTek
Nov 2005
SonTek/YSI Cited in CA-China Environmental Technology Agreement
Apr 2005
Shanghai and Hong Kong Service Centers Opened
Dec 2004
SonTek/YSI: Strength Through Diversity
Courtesy of Sea Technology.
Jul 2004
For news items published previous to 2004, contact Christina Iarossi, SonTek/YSI Marketing Communications (ciarossi@sontek.com).
SonTek/YSI knows how dynamic our industry is and that changes are happening at a record pace. Keeping you abreast of new developments, discoveries, and break-throughs in water monitoring technology is part of our commitment to not only our customers, but to the global community in which we do business in.
On this page you will find news relating to exciting new product releases and customer success stories, updates from our parent company, YSI Incorporated, and finally, news that could potentially impact our industry and the hard work of those responsible for the monitoring and health of our planet's most important resource - water.
Jan 2012
The RiverSurveyor received international media attention during the unveiling of 24 hydrological monitoring stations along the rivers of Colombia. President Juan Manuel Santos officiated the inaugural voyage of a RiverSurveyor-M9. News video.

Data collected will be used to construct maps of flood prone areas along the Magdalena, the Cauca, Sinú, San Jorge and Atrato rivers.
Nov 2011
SonTek-IQ Unveiled at Irrigation Show 2011
SonTek (Booth #2118) is pleased to announce the unveiling of the new SonTek-IQ – a hi- tech flow meter built specifically to address the needs of the open channel irrigation market. Join us at Irrigation Show 2011 - San Diego, Nov. 6th-9th.
Oct 2011
SonTek Releases the New SonTek-IQ Irrigation Flow Meter
The SonTek-IQ is a hi- tech flow meter built to address the needs of the open channel irrigation market. It is a low-cost, highly accurate flow meter that helps monitor water deliveries in the numerous irrigation turn-outs in the U.S. and abroad.

Dec 2009
RiverSurveyor Named Most Innovative New Product
The Marine Technology Society - San Diego section, named the RiverSurveyor M9 the Most Innovative New Product for 2009 during its recent holiday banquet.

SonTek employees on hand to accept the award (L to R): Jon Kneier, Hakan Erdem, Mack Brown, Justin Stearns, Muthiah Radhakrishnan, David Velasco, Maria Brown, and Adam Jackson
Feb 2009
SonTek/YSI Launches the Water Monitoring Industry’s First Multi-Frequency Acoustic Doppler Profiler
Feb 2009
First Look at SonTek's Multi-Frequency HydroSurveyor® - Ocean Business 2009
May 2009
Steady Data Flow Tracks Floods
Courtesy HydroInternational.
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Cover of HydroInternational Issue.
Apr 2007
SonTek/YSI Releases New Side-Looking Instruments
May 2006
FlowPack Velocity-Indexing Software Introduction
Mar 2006
Current Monitoring Systems Show Growth in '06
Mar 2006
New Product: Modbus Interface Module (MIM)
Mar 2006
SonTek Solution Helps Advance Largest-Ever Oceanic Survey
Sep 2005
New Product: 1-MHz Mini-ADP RiverSurveyor
May 2005
New Product: Argonaut External LCD Data Display
Feb 2005
New RiverSurveyor ADP Features Announced
Sep 2011
ITT Completes Acquisition of YSI Incorporated to Enhance Its Water Instrumentation Business
Jul 2011
ITT to Acquire YSI Inc.; Deal Strengthens Company's Water Instrumentation Business
Jun 2011
2011 Graduate Student Scholarship Awarded to KSU's Katie Costigan
Apr 2011
2011 Graduate Student Scholarship and Equipment Loan Program
Mar 2011
YSI Seeks Strategic Partner to Continue Strong Growth
Apr 2010
YSI Inc. Introduces the NEW CastAway CTD Instrument
Apr 2010
YSI Awarded $1.1 Million Grant to Develop Nutrient Sensor
Jan 2010
Stimulus-funded Streamgage Upgrades Deliver Array of Benefits and Jobs
Jul 2009
YSI Acquires Utah-based Design Analysis Associates
Dec 2008
YSI Closes 2008 with Another Award
Dec 2008
Sixty Years of Innovation at YSI
Dec 2008
Trolander Inducted into Engineering Hall of Fame
Dec 2008
Buoy in Olympic Park Protects Water Quality
Dec 2008
Increase Monitoring Capability with EcoMapper AUV
Dec 2008
World-First Certification for YSI
Oct 2008
Sep 2008
Pro20 Handheld DO Instrument Debuts at WEFTEC
Aug 2008
Post-Restoration Water-Quality Monitoring
Jul 2008
YSI Recognized for Exporting Success

CEO Rick Omlor (center) accepts E-Award from Ohio Lt Gov Fisher and Gov Strickland.
Jul 2008
Ancient canoes, modern science track water quality
Jun 2008
Anti-Fouling Kits Prevent Sensor Biofouling
Jun 2008
CEO Recognized as Entrepreneur of the Year