North Dakota Wastewater Treatment Operator Certification
ND DEQ certifies Wastewater Treatment operators in five grades — Class 1A, I, II, III, IV — on a 3-year renewal cycle, mandatory for systems serving 25 or more people.
Receiving Waters
North Dakota wastewater treatment plants discharge primarily to the Missouri River/Lake Sakakawea system, the Red River of the North (which flows north into Canada, requiring cross-border water quality coordination with Manitoba), and smaller prairie streams.
Lagoon Treatment: A Good Fit for Rural ND
Many rural communities rely on lagoon-based treatment systems, which are well suited to the state's low population density and cold climate — lagoons provide long detention times that work with, rather than against, slowed cold-weather biological activity.
Cold-Climate Biological Treatment
Extreme cold slows nitrification and o