Water And Wastewater Plant Operator II

Navajo Tribal Utility Authority Flagstaff , AZ 86004

Posted 3 months ago


High School Diploma or GED Certificate.

Grade I Certification in both Water and Wastewater Treatment from the ADEQ or equivalent.

Grade II Certifications in both Water and Wastewater Treatment will be required within one year of employment. Grade II Certification preferred.
1 year certification at Grade I by ADEQ or equivalent.
2 years experience in operation and maintenance in water and/or wastewater treatment plants, requiring Grade I Certification by ADEQ or equivalent.

Valid Driver's License (subject to motor vehicle record review).


Performs visual checks of plants, facilities, machinery, chemical levels, and related systems to ensure proper operation and to detect equipment failures, potential leaks, or other problems.

Operates, maintains, and monitors the following water and wastewater treatment plant, systems, and equipment: including but not limited to ; well heads, sump pump stations, submersible sewage pumps, flow equalization basins, debris screening systems, grit removal systems, peristaltic or positive displacement chemical feed systems, pumping plants, filtration pressure vessels, flow control and direction systems, coagulation equipment and basins, sedimentation equipment and basins, sand other media filters, backwash systems, aeration systems, anaerobic digester systems, bio-solids dewatering system, rotating biological contactor systems, sequencing batch reactor systems, membrane bioreactor systems, wastewater fine screens, chlorine gas and liquid injection systems, UV disinfection equipment, sludge handling equipment, odor control units, storage tanks, plumbing gauges and valves, sewer collection systems, gauges and meters, and plumbing fixtures.

Operates and monitors the following equipment including but not limited to: primary sensors and field instruments, radio communication system, custom controls and instrument panels, heating, ventilation and air conditioning equipment, packaged engine generator systems, variable frequency drives, dry type transformers, automatic transfer switches, and magnetic motor starters.

Compiles, prepares and submits all regulatory and permitting reports required for the facilities on a monthly, quarterly, semi-annual and annual basis to regulatory agencies. Maintains detailed records of laboratory results and activities.

Collects and tests water and wastewater samples; prepares or uses prepped standard solutions and reagents; and uses laboratory instruments and sampling equipment, according to approved methodology.

Collects and sends samples to NTUA or contract laboratories for analyses on water, wastewater, and sludge to control treatment processes and to determine unit process efficiencies. Perform wastewater analyses; such as BOD, COD, TSS, TDS, TRC, pH and other parameters as required to determine the impact of discharge on receiving waters and NPDES permits.

Prepares and schedules manifests and emergency plans for sludge treatment, removal, transportation and disposal to an approved disposal area. Maintains a log book to ensure that the sludge is analyzed for contents and that the volume is recorded. Ensures that the transport truck has the manifest, laboratory results, and has adequate cover to avoid any leakage or spillage.

Coordinates and schedules for periodic review, inspection and evaluation of water and wastewater treatment plants and storage, distribution, and collection facilities to assure the plant and facilities are functioning properly and safely and in compliance with established regulations.

Keeps Supervisor advised of the treatment operations, methods, working conditions, and activities through written, oral, and statistical reports. Responds and assures that employees, customers, and regulatory agency complaints and comments are followed up and resolved with the Supervisor.

Maintains inventory and estimates to procure adequate materials, tools, supplies, chemicals, instruments and equipment required to operate and maintain treatment plant and facilities. Ensures proper use.

Analyzes and proposes changes in chemical, material, tool, or equipment inventory or use which would result in cost reduction, more efficient operation and safety measures required by O&M Manual.

Ensures that operations conform to governing regulations.

Determines and plans current and future operational and maintenance needs of the water and wastewater treatment plants and storage, distribution, and collection facilities to prepare annual capital and operation budgets.

Collects special samples for special projects following required methods.

Conducts all job duties in a safety conscious manner that reflects safety for others as well as self in work habits and in carrying out assignments.

Uses Authority-owned equipment in a manner which subjects it to normal wear and tear only.

Maintains, repairs and services plant equipment, buildings and facilities. Records and maintains a plant log, plan and operating records to assure it is operating properly.

Performs periodic inspections of the buildings and grounds and makes recommendations on needed repairs, installation, etc.

Must have the ability to be contacted and respond in a timely manner and be willing to work on an emergency call-in basis.

Prepares special reports in response to internal and external requests in order to provide accessible data for reliable analysis, management review, research purposes, and/or reporting requirements.

Performs other duties as assigned.

Navajo Preference

Navajo Veteran Preference

This institution is an equal opportunity provider and employer.

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Water And Wastewater Plant Operator II

Navajo Tribal Utility Authority