Renew Your Vermont Drinking Water License

Operators of public drinking water systems in Vermont are required to earn and maintain a Vermont drinking water certification. Certifications are valid for three years and are categorized based on water type, treatment, and population of the water system.

Vermont drinking water licenses are broken down as follows:

Class 1A (Groundwater): Systems with ion exchange for water softening, cartridge filters, and/or limestone contractors.

Class 1B (Groundwater): Systems with Disinfection from Chlorine or UV (including standby capability).

Class 2 (Groundwater): Disinfection with Chlorine or UV (including standby capability), ion exchange for softening and/or limestone contactors.

Class 3 (Groundwater): Disinfection by means other than Chlorine or UV, sequestering or filtration of manganese or iron, fluoridation, corrosion control, pH control, air stripping, granular activated adsorption, ion exchange and/or aeration.

Class 4A1 (Surface water or GWUDI): Systems with bag filtration, cartridge filtration, membrane filtration, slow sand filtration and/or similar technologies approved by the Secretary that do not use coagulants.

Class 4A, 4B, 4C (Surface water or GWUDI): Systems using rapid sand filtration. Class depends on the population served. Class 4A serves 25-500 people, Class 4B serves 501-3,300, and Class 4C serves more than 3,300.

Class D: Systems purchasing all of their water or operators who only work on the Distribution System.

Choose any course and start for free. Only pay to receive your certificate confirming your completed hours.

Work on your training when and where you want from a desktop, laptop, tablet or even a smartphone.

Courses are taught by water operator experts with decades of experience.

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