Hach Homeland Security Technologies develops breakthrough technologies that will put you in command of your entire water distribution and source water monitoring systems.  Introducing CityGuard^TM - a virtual command center to view and control multiple monitoring sites from source to tap. 

Our most impressive innovation, GuardianBlue Early Warning System, is the first and only early warning system for drinking water to receive SAFETY Act designation and certification from the Department of Homeland Security. 

GuardianBlue uses patented technology to detect, alert and classify a wide variety of threat contaminants. The system can also detect, alert, classify and learn real-world events in water distribution systems. And even detect and alert on unknown excursions.

With the combined power of CityGuard, GuardianBlue and the Event Monitor Trigger System you can view the status of water quality and security throughout your system and reduce the response time to events.  Hach Homeland Security Technologies continues to develop products to meet your ever changing needs and put control  of your water- in your hands, right where it belongs.