WaterTAP, Ontario's Water Sector Accelerator Since 2012,
Will Cease Operations June 30th.

Read the press release

United States Department of the Interior – Bureau of Reclamation: Arsenic Challenge – Stage 1

Seeks to identify new or improved sensors, devices, or test kits to test for arsenic in water within natural or engineered systems. Any company can submit; only American companies/citizens can win.