North Dakota Administrative Code
Title 33.1 - Department of Environmental Quality
Article 33.1-19 - Certification of Water and Wastewater Systems Operators
Chapter 33.1-19-01 - Certification of Water Treatment Facility Operators, Water Distribution and Storage System Operators, Wastewater Treatment Facility Operators, and Wastewater Collection and Transfer System Operators
Section 33.1-19-01-09.1 - Wastewater collection and transfer system classifications
Current through Supplement No. 395, January, 2025
Wastewater collection and transfer systems must be classified in one of five classes. Classifications must be based on population served, design population, type of collection and transfer system, and the character and volume of wastes to be handled. Systems may be classified one level higher than indicated solely by population at the discretion of the department by reason of the incorporation in the system of special design features or complex features or characteristics unusually difficult to operate, by reason of conditions of flow, or by reason of a combination of such conditions and circumstances.
1. Class IA. All wastewater collection and transfer systems serving a population of less than five hundred persons.
2. Class I. All wastewater collection and transfer systems serving a population of five hundred to one thousand five hundred persons.
3. Class II. All wastewater collection and transfer systems serving a population of one thousand five hundred to fifteen thousand persons.
4. Class III. All wastewater collection and transfer systems serving a population of fifteen thousand to fifty thousand persons.
5. Class IV. All wastewater collection and transfer systems serving a population of fifty thousand persons or more.
General Authority: NDCC 23.1-07-06; S.L.2017, ch.199, § 1
Law Implemented: NDCC 23.1-07-03, 23.1-07-06; S.L.2017, ch.199, § 22
