Salary : $168,376.00 - $204,672.00 Annually
Location : Ralph D. Bollman Water Treatment Plant; 2015 Bates Avenue, Concord, CA
Job Type: Full-time
Job Number: 729 - MS - 2026
Department: Operations and Maintenance
Division: Water Treatment
Opening Date: 06/22/2026
Closing Date: 7/12/2026 5:00 PM Pacific

GENERAL JOB FUNCTION

The Opportunity

Contra Costa Water District is hiring a Water Treatment Supervisor to lead and support the daily operations and maintenance of one surface water treatment plant and related facilities. The Water Treatment Supervisor is responsible for supervising operations staff, ensuring compliance with water quality and regulatory standards, optimizing treatment processes, coordinating maintenance and capital improvement projects, and maintaining a safe and secure work environment. Working closely with the Water Treatment Superintendent, this role combines technical expertise, team leadership, and operational management to ensure the reliable production of high-quality potable water for the community. The position offers the exciting opportunity to lead skilled staff, contribute to process improvements, support strategic planning and budgeting efforts, and serve as a key resource in maintaining public health and environmental compliance.
Why You'll Enjoy This Role
Lead a High-Impact Team

• Lead and develop a skilled treatment team while making a direct impact on public health and the community.
• Champion a culture of safety by maintaining safe working conditions and enforcing safety protocols across the treatment facility.
• Cultivate the professional growth of your team by leveraging CCWD's commitment to training and mentorship.

Support Continuous Improvement

• Evaluate treatment processes and implement operational enhancements that improve efficiency, reliability, and water quality outcomes.
• Contribute to the District's infrastructure through coordination of capital improvements, maintenance activities, facility upgrades, emergency response planning, and water quality initiatives.
• Collaborate with engineers, operators, and regulatory agencies to solve complex operational challenges and deliver results.

EXAMPLES OF DUTIES
Key Responsibilities

• Lead and supervise water treatment operations staff, including scheduling, training, performance management, and ensuring safe and efficient plant operations.
• Oversee the operation and maintenance of the water treatment plant and related facilities, ensuring the reliable production of high-quality drinking water.
• Monitor water quality, treatment processes, and regulatory compliance, making operational adjustments to meet all federal, state, and local requirements.
• Coordinate maintenance activities, facility improvements, and capital projects with internal teams, contractors, and consultants.
• Support operational planning and administration, including budgeting, reporting, process improvement initiatives, and emergency response activities.
• Serve as on-call supervisor on a rotational basis.

For a full description of examples of duties, please refer to the job descriptions by visiting the following:

MINIMUM QUALIFICATIONS

Any combination of training and experience that would provide the required knowledge, skills, and abilities is qualifying. A typical way to obtain the required qualifications would be:Training: Equivalent to an associate degree with coursework in chemistry, biology, or related.

Experience: Five (5) years of increasingly responsible experience operating a surface water treatment plant including two (2) years of lead or supervisory experience.

Licenses and Certifications:

• Possession of a valid California driver's license to be maintained throughout employment.
• Possession and maintenance of a valid Grade T5 Water Treatment Operator certificate issued by the State Water Resources Control Board.
• Ability to obtain, and maintain possession of, an Occupational Safety and Health Administration (OSHA) compliant Hazardous Waste Operations and Emergency Response (HAZWOPER) certificate.

For a full description of required knowledge, skills, and abilities, please refer to the job descriptions by visiting the following link:

Possession of the minimum qualifications does not guarantee an invitation to the next step in the selection process. All candidate materials will be carefully evaluated and only those considered best qualified will be invited to the next step in the selection process.

ADDITIONAL INFORMATION
PHYSICAL DEMANDS
Must possess mobility to work in a water treatment plant and standard office setting, use specialized equipment and instrumentation and standard office equipment, including a computer; to operate vehicle and visit various District sites; color vision to detect shades of color and vision to see alarms and to read printed materials and a computer screen; and hearing and speech to communicate in person and over the telephone. This classification frequently sits and stands and walks between work areas. Finger dexterity is needed to access, enter, and retrieve data using a computer keyboard or calculator and to operate plant and standard office equipment. Positions in this classification occasionally bend, stoop, kneel, reach, push, and pull drawers open and closed to retrieve and file information. Employees must possess the ability to lift, carry, push, and pull materials and objects weighing up to 25 pounds. When working in the field, must possess strength, stamina, and mobility to perform light physical work to perform assigned duties; to sit, stand, and walk on level, uneven, or slippery surfaces; and reach, twist, turn, kneel, bend, stoop, squat, and crouch in the performance of assigned duties. The job involves fieldwork requiring walking in operational areas. Finger dexterity is needed to operate tools, instruments, and equipment.

ENVIRONMENTAL ELEMENTS
Employees work primarily in a plant environment and are exposed to loud noise levels, controlled temperature conditions, chemicals, mechanical and/or electrical hazards, hazardous physical substances, fumes, dust, air contaminants, and unpleasant odors. Employees may also work in the field and are exposed to loud noise levels, cold and hot temperatures, inclement weather conditions, road hazards, vibration, chemicals, mechanical and/or electrical hazards, hazardous physical substances and fumes, dust, and air contaminants.

WORKING CONDITIONS
Employees may be required to work various shifts and outside of normal shift hours on evenings, weekends, and holidays.

In addition to a competitive salary, the Contra Costa Water District offers an excellent benefits package!
International Federation of Professional and Technical Engineers, Local 21 non-temporary positions benefits include:

Health & Insurance Benefits

• Employer-paid medical, dental, vision, and life insurance
• Employer-paid short-term and long-term disability insurance
• Voluntary participation in Flexible Spending Accounts (FSAs) for dependent care and healthcare reimbursements
• Employer-paid Employee Assistance Program (EAP) offering counseling and referral services for employees and eligible dependents
• Health Insurance Credit for eligible dependents who have other medical benefit coverage

Retirement & Financial Benefits

• Flexible Benefit of $150 per month, equating to $1,800 annually
• Voluntary participation in the 401(a) and 457(b) deferred compensation plans, with up to a 4% employer match
• 1% employer contribution to a 401(a) deferred compensation plan for employees with 10 or more years of CCWD service (no employee contribution required)
• Participation in Social Security and Medicare
• Defined benefit retirement plan with reciprocity through California Public Employees' Retirement System and CalPERS reciprocal agencies
  • Reciprocal agency service does not count toward the 5-year or 10-year vesting requirement for fully paid retiree medical
  • Employees with classic reciprocity are eligible for a 2.35% at 55 retirement formula
  • New hires not eligible for classic reciprocity are covered under the 2% at 62 PEPRA defined benefit formula
• Employer-paid retiree health insurance for retirees and eligible dependents
  • Local 21 employees currently contribute 2.3% of base pay on a pre-tax basis for this benefit
  • Employees hired on or after January 1, 2016, are subject to a 10-year District service vesting requirement to qualify for fully paid retiree medical upon direct retirement from CCWD
  • The CCWD contracts with California Public Employees' Retirement System for medical benefits

Paid Leave & Work-Life Balance

• 12 paid holidays annually
• 56 hours of paid administrative leave per year in lieu of compensatory time off for FLSA-exempt classifications
  • FLSA non-exempt classifications, such as Management Assistant positions, do not receive administrative leave
• 40 hours of vacation credit upon hire
• Vacation accrual of 10 days during the first year, increasing to 15 days per year beginning in year two, with additional accrual increases thereafter
• 96 hours of sick leave accrued annually
• Part-time benefits are prorated in accordance with the applicable Memorandum of Understanding (MOU)

Wellness, Development & Additional Perks

• Comprehensive Wellness Program, including a monthly $50 wellness stipend
• Educational Assistance Program providing up to $3,000 per fiscal year, per employee
• Free admission to Los Vaqueros Reservoir, offering recreation areas, fishing, boating, and hiking trails
• And more

For additional information and the full details, eligibility, and provisions regarding the CCWD's applicable benefits package, please visit:
01

This position requires valid possession and maintenance of a valid Grade T5 Water Treatment Operator certificate issued by the State Water Resources Control Board and the ability to obtain, and maintain possession of, an Occupational Safety and Health Administration (OSHA) compliant Hazardous Waste Operations and Emergency Response (HAZWOPER) certificate. Please include your valid certificate number.
02

This position requires a minimum of five (5) years of increasingly responsible experience operating a surface water treatment plant including two (2) years of lead or supervisory experience. Do you meet this requirement?

• Yes
• No

03

How many years of lead or supervisory experience do you have in water treatment operations?

• Less than 1 year
• 2 years
• 3 - 5 years
• 5 - 10 years
• 10 + years

04

Describe your experience managing or supervising a water treatment team, including the size of the team and how you ensured regulatory compliance and water quality standards were met.
Required Questi