KANSAS CITY, Mo. – MU Extension is offering free microbial water testing to Missouri produce growers through a grant from the USDA National Institute of Food and Agriculture. The tests, which meet water testing requirements for Food Safety Modernization Act and Good Agricultural Practices certification, are conducted by the Missouri Department of Health and Senior Services (DHSS) lab. Sample bottles and forms are available from local public health departments, which can also arrange free overnight delivery of water samples to the DHSS lab.