In the Military

Water and wastewater treatment plant and system operators perform work familiar to some military personnel.

Jobs in this career are similar to the following job classifications:

  • 3E411 Water and Fuel Systems Maintenance Helper (Enlisted)
  • 3E431 Water and Fuel Systems Maintenance Apprentice (Enlisted)
  • 3E451A Water and Fuel Systems Maintenance Journeyman, Fuel Systems Maintenance (Enlisted)
  • 3E451 Water and Fuel Systems Maintenance Journeyman (Enlisted)
  • 3E471A Water and Fuel Systems Maintenance Craftsman, Fuel Systems Maintenance (Enlisted)
  • 3E471 Water and Fuel Systems Maintenance Craftsman (Enlisted)
  • 3E490 Infrastructure Systems Superintendent (Enlisted)
  • 3E4X1 Water and Fuel Systems Maintenance (Enlisted)
  • 8S000 Missile Facility Manager (Enlisted)
  • 120A Construction Engineering Technician (Warrant Officer only)
  • 12B Combat Engineer (Enlisted)
  • 12K Plumber (Enlisted)
  • 13B Cannon Crewmember (Enlisted)
  • 919A Engineer Equipment Maintenance Warrant Officer (Warrant Officer only)
  • 91B Wheeled Vehicle Mechanic (Enlisted)
  • 91J Quartermaster and Chemical Equipment Repairer (Enlisted)
  • 923A Petroleum Systems Technician (Warrant Officer only)
  • 92W Water Treatment Specialist (Enlisted)
  • 92Y Unit Supply Specialist (Enlisted)

The following military occupations are no longer in active use:

  • 51N Water Treatment and Plumbing Systems Specialist (Enlisted)
  • 77W Water Treatment Specialist (Enlisted)
  • DC Damage Controlman (Enlisted)
  • ENG Naval Engineering Specialty (Warrant Officer only)
  • MAT Material Maintenance Specialty (Warrant Officer only)
  • MK Machinery Technician (Enlisted)
  • MSSE Marine Safety Specialist Engineer (Warrant Officer only)
  • 1120 Utilities Officer (Warrant Officer only)
  • 1169 Utilities Chief (Enlisted)
  • 1171 Water Support Technician (Enlisted)
  • 001524 Auxiliary Equipment Operator (Enlisted)
  • 001797 Utilitiesman (Enlisted)
  • 4250 Public Works Officer (Commissioned or Warrant Officer)
  • 4255 Public Works Production Officer (Commissioned or Warrant Officer)
  • 4260 Assistant Public Works Officer (Commissioned or Warrant Officer)
  • 4270 Public Works Utilities Officer (Commissioned or Warrant Officer)
  • 6199 Conversion NEC UT Utilitiesman Basic (Enlisted)
  • B24A Advanced Utilitiesman (Enlisted)
  • EN Engineman (Enlisted)
  • MM Machinist's Mate (Enlisted)
  • UT Utilitiesman (Enlisted)

The following military occupations are no longer in active use:

  • 6105 Advanced Utilitiesman (Enlisted)
  • 3E411 Water and Fuel Systems Maintenance Helper (Enlisted)
  • 3E431 Water and Fuel Systems Maintenance Apprentice (Enlisted)
  • 3E451A Water and Fuel Systems Maintenance Journeyman, Fuel Systems Maintenance (Enlisted)
  • 3E451 Water and Fuel Systems Maintenance Journeyman (Enlisted)
  • 3E471A Water and Fuel Systems Maintenance Craftsman, Fuel Systems Maintenance (Enlisted)
  • 3E4X1 Water and Fuel Systems Maintenance (Enlisted)