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Nebraska Drinking Water RegulationsBeginner 12 min read

Nebraska Public Water System Operator Certification: Rules & Renewal

How Nebraska's Grade I-IV Public Water System Operator license structure works, who regulates it, and what's required to renew.

Nebraska Public Water System Operator Certification
Nebraska's public water systems are regulated by the Nebraska Department of Environment and Energy (NDEE), through its Drinking Water/Environment & Energy (DWEE) division. If you operate or are in responsible charge of a community or non-transient non-community public water system in Nebraska, you must hold a valid operator license issued by NDEE.
The Grade I-IV Ladder
Unlike some states that license drinking water treatment and distribution separately, Nebraska issues a single combined Public Water System Operator license covering the whole system — treatment and distribution together. The ladder runs:
  • Grade I — operator in responsible charge of a Class I public water system (the smallest/simplest classified systems)
  • Grade II — Class II systems
  • Grade III — Class III systems
  • Grade IV — Class IV s

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