The City treats wastewater at its Charles M. Wolf Water Resource Center through an activated sludge biological nutrient removal process. Class B+ biosolids are produced through anaerobic digestion and are processed in the solids handling facility. Class B+ effluent is produced and recharged for reuse.
Under the supervision of more senior operators, incumbent assists in the performance of wastewater treatment operations work. Duties include operation and maintenance of treatment equipment, optimization of controls, monitoring processes, equipment, and chemical feeds. Administrative functions include keeping accurate records and logs for reports, chemical inventory, flow metering, and equipment efficiencies. Works to meet permits requirements by complying with local, state, and federal regulations. Performs routine grounds and building maintenance.
Examples of Duties:
Performs daily rounds at the facility by visually checking equipment and chemical levels, logging readings, orders, and visual checks, changing filters, and periodically monitoring digester(s) and clarifier levels. Logs findings and makes purchasing and process control recommendations.
Operates plant equipment by performing the daily run and calculations for the biological nutrient removal process, calibrating all portable meters, the odor control systems, digesters, sludge removal, and the chemical feed systems. Performs equipment maintenance as required by the Computerized Maintenance Management System.
Performs process controls by collecting various samples from different locations in the process, testing plant processes, and making physical changes to the plant equipment to obtain maximum efficiency. Evaluates systems and processes and makes recommendations for improvements.
Monitors chemical feed systems daily to maintain process control and to ensure meeting permit requirements. Maintains and repairs chemical feed systems as needed. Receives chemical orders and deliveries as required.
Performs grounds and building maintenance by maintaining lawns and sprinkler systems, trimming shrubs and trees, removing trash and debris, painting, emptying trash, changing light bulbs, cleaning break areas and floors, and dusting.
Performs other duties as required including occasional operating, testing, maintenance, and repair tasks. May be called upon to assist other divisions within the Department.
Work requires knowledge of a specific vocational, administrative, or technical nature which may be obtained with one year of advanced study or training past the high school equivalency. Junior college, vocational, business, technical or correspondence schools are likely sources. Appropriate certification may be awarded upon satisfactory completion of advanced study or training.
At least two years of experience in wastewater treatment preferred.
Possesses an ADEQ Wastewater Treatment Operator's Certificate Grade I on date of hire, and must attain a Wastewater Treatment Certificate Grade II within 18 months from date of hire. All licensure must be kept current throughout employment.
Work requires the ability to read schematics, blueprints, technical specifications, regulations, permits, MSDS information, and operations, procedure, and repair manuals.
Work requires the ability to perform general math calculations such as addition, subtraction, multiplication and division.
Work requires the ability to write daily logs, reports, work orders, and general correspondence.
Planning responsibilities include scheduling testing, receiving, and delivery of process and compliance samples.
Work requires the occasional direction of helpers, assistants, seasonal employees, interns, volunteers or temporary employees.
Work involves choices of action within limits set by standard practices and procedures. Professional judgment is required to apply the proper course of action.
The incumbents in this position contact others within the organization. These contacts may involve similar work units or departments within the City which may be involved in decision making or providing approval or decision making authority for purchases or projects. In addition, these incumbents work with individuals outside the City who may belong to professional or peer organizations. Working with various state and federal agencies may also be required of the employee. Employee must maintain regular attendance.
Applicants will need to complete and submit an employment application on-line at www.avondale.org. If you have any questions, please contact the Human Resources Department at 623-333-2200.