Wondering what is going on in your water resource recovery facility? The answer to this question can be predicted by checking alkalinity levels as a diagnostic tool to help meet treatment goals. Learn “What Every Operator Should Know About Alkalinity” from the July 2015 issue of “WE&T” (Water Environment & Technology) magazine. Authored by Donohue’s Eric Lynne, PE, this article covers types and sources of alkalinity, how to measure it, and what processes affect it. The content is organized in an easy-to-read table format separated into columns for Knowledge, Principle, and Practical Considerations.