Section 179-10-004 - CLASSIFICATION OF SYSTEMS Public water systems are classified as follows. If a system meets the qualifications for more than one classification, the highest classification applies.
1. Class I - All community water systems and non-transient, non-community water systems a. That use any treatment technology involving filtration to remove harmful materials from the raw water source or to improve the aesthetic quality of delivered water, and which serve a population in excess of 15,000 persons; andb. All other community and non-transient non-community water systems that have a distribution system and that serve a population in excess of 50,000 persons.2. Class II - All community water systems and non-transient, non-community water systemsa. That use any treatment technology involving filtration to remove harmful materials from the raw water source or to improve the aesthetic quality of the delivered water, and which serve between 2,000 and 15,000 persons; andb. All other community and non-transient non-community water systems that have a distribution system and that serve a population between 15,000 and 50,000.3. Class III - All community water systems and non-transient, non-community water systems a. That use any treatment technology involving filtration to remove harmful materials from the raw water source or to improve the aesthetic quality of the delivered water, and which serve fewer than 2,000 persons; andb. All other community and non-transient non-community water systems that have a distribution system and that serve between 2,000 and 15,000 persons; andc. All community water systems which purchase water from one or more systems for the purpose of supplementing or providing service to more than 15,000 persons.4. Class IV - All community water systems and non-transient, non-community water systems a. That do not use a treatment technology involving filtration and which serve fewer than 2,000 persons; andb. All other community water systems which purchase water from one or more systems for the purpose of supplementing or providing service to fewer than 15,000 persons.5. Class V - All other public water systems (transient, non-community systems).179 Neb. Admin. Code, ch. 10, § 004