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Position:    Water Treatment Plant Operator I

Salary:       Grade Level 33/0
                  ($46,841 Per Annum)
Program:   OSRWSS Mni Wiconi
                  Water Treatment Plant/Coreline
Location:   Pierre/Fort Pierre, SD
                 (Must relocate)

General Description of Duties:
The Water Treatment Plant Operator will perform semi-skilled and skilled work in the maintenance, repair and operation of the Oglala Sioux Rural Water Supply System (OSRWSS) Mni Wiconi Water Treatment Plant to include grounds and equipment. Must maintain a professional work standard at all times. The Water Treatment Plant Operator will be under the direct supervision of the OSRWSS Mni Wiconi Water Treatment Plant Supervisor.

Specific Duties:
1. Maintain a regular inspection schedule of water treatment plant equipment and facilities.
2. Plan and perform preventive maintenance on mechanical equipment including engines, motors, pumps, controls, chemical feed systems, valves, meters, and filters, etc.
3. Perform laboratory tests for process and water quality, including general maintenance of equipment.
4. Perform carpentry, plumbing, and electrical duties (if qualified) as may be assigned.
5. Perform grounds maintenance for raw water intake house, clear well, and backwash recovery house, etc.
6. Lubricate, adjust, and maintain service tools and equipment.
7. Able to take command and coordinate water restrictions with sponsors during water main breaks/repairs.
8. Work rotating shifts, twelve (12) hour weekends and holidays as scheduled to monitor and operate water treatment plant.
9. Flexible to work with Coreline Operators on distribution systems to include On-Reservation Oglala Sioux Tribe, Lower Brule Tribe, Rosebud Tribe, West River/Lyman Jones, Bureau of Reclamation, and Project engineers.
10. Maintain accurate records and logs on operating conditions of the water treatment plant, raw water intake, clear well, and backwash recovery.
11. Fabricate parts and modifications and repair broken equipment.
12. Perform routine cleaning maintenance of Water Treatment Plant, flocculation basins, settling basins, filtering basins, wet well and clear well, backwash recovery well, and others assigned.
13. Ensure compliance with safety and environmental regulations including, but not limited to, hazardous materials.
14. Make necessary process changes as indicated by jar tests and shift drawdowns.
15. Unload, store, and use various chemicals such as hydrochloric acid, powered activated carbon, caustic soda, alum, potassium permanganate, cationic/anionic/nonionic polymers, corrosion inhibitors, chlorine, fluoride, and ammonia.
16. Perform treatment process mathematical computations to determine proper mixture of chemicals, correct chemical amounts, and chemical usage.
17. Respond to chemical emergency alarms wearing appropriate personal protective equipment, such as respirators and self-containing breathing apparatus (SCBA).
18. Read and interpret gauges, meters, and recording devices and process change data. Monitor and repair equipment for proper operation.
19. Other related duties as assigned by the immediate Supervisor.

Requirements and Knowledge:
1. Must have computer skills (general computer hardware and software applications).
2. Must have general knowledge of operating principles, practices, and procedures of electrical, hydraulic, and mechanical machinery in the water treatment plant.
3. Must have knowledge of tools, supplies, and materials used to perform electric, hydraulic, and mechanical tasks in the water treatment plant.
4. Must have knowledge of safety and efficient work practices and procedures.
5. Must be familiar with installation, inspection, and repairing of water pumps and chemical pumps.
6. Must have knowledge of general chemistry and mathematics.
7. Must have the ability to use power tools effectively in repair and maintenance tasks.
8. Must have the ability to identify problems with electrical and chemical pumps and other equipment.
9. Must be able to maintain precise and accurate records, such as lab testing equipment and SCADA computer equipment.
10. Must be able to maintain an effective working relationship with fellow operators.
11. Must be able to communicate orally and in writing a clear and effective manner.
12. Must be able to understand and follow directions including able to read, interpret, and follow manuals, plans, and technical drawings.
13. Must be able to function as part of a self-directed work team.
14. The position requires periods of exposure to extreme weather conditions dependent upon the season, while performing critical work-related duties.
15. The position requires frequent bending and lifting with a per lift weight in excess of 50 pounds.
16. The position requires loading and unloading of equipment, materials, parts, and supplies from distribution companies.
17. A minimum of one (1) year experience in repair of water industry equipment and machinery preferred.
18. Must have EPA recognized level I or II water treatment certification or obtain one within one (1) year.
19. Must have basic knowledge of SCADA (Supervisory Control and Data Acquisition) system.
20. Must obtain/maintain, a Confined Space certification, per OSHA requirements within one (1) year.
21. Must obtain/maintain, a forklift operator’s certification, within one (1) year.
22. Must obtain/maintain CPR/First Aid certification, within one (1) year.
23. Must obtain/maintain a Hazardous Materials First Responder certification, within one (1) year.


1. Must have High School Diploma/GED.
2. Must possess a valid Driver’s License and be insurable by the Oglala Sioux Tribe.

How to Apply:
Submit a complete OST Application for Employment to the OST Human Resource Department no later than 4:30 p.m. of the closing date. Mail in applications postmarked on the closing date will be accepted. Attach all pertinent documentation, i.e., copy of High School diploma or GED certificate, copy of official college transcripts and/or college degree, certificate of Indian Blood if claiming Indian Preference and DD214 if claiming Veteran’s Preference. (INCOMPLETE APPLICATIONS WILL NOT BE CONSIDERED)


“Applicants tentatively selected for positions with the Oglala Sioux Tribe will be required to submit to screen for illegal drug use prior to appointment. Appointment to the positions will be contingent upon a negative drug test result.”
In accordance with OST Ordinance 90-12 and 91-01, record checks will be done on those individuals applying for positions requiring working with children.

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