Effective July 20th, 2025, dental practices in Georgia are required to test dental unit waterlines quarterly in accordance with Georgia Rule 150-8-.05. This rule builds on the CDC guidelines for dental water quality to meet the EPA limit of 500 CFU/mL. Learn how to comply and find the best test options for your practice.

Here, we’ll provide answers and guidance to the most frequently asked questions in relation to the new law in Georgia regarding dental unit water quality (and DUWL quality in general). The new regulations are effective as of July 20, 2025.