Environmental Services, Waste & Water Sample only · Reservations open Page created Feb 16, 2026

List of Industrial Wastewater Treatment Plant Operators for Hire

List of licensed industrial wastewater treatment plant operators available for contract work, including certification levels, specializations, and service areas — built for environmental managers sourcing qualified operators to run on-site treatment systems.

Fields we plan to include

Operator / Company Name
Certification Level
State Licenses Held
Industrial Specialization
Treatment Technologies
Service Area
Years of Experience
Contact Email
Phone Number
NPDES Compliance Record
Contract Type
Availability

Data Preview

* Free sample rows, unverified and may contain errors. The full list isn't available yet.
Operator / Company NameCertification LevelIndustrial Specialization
Veolia Water TechnologiesClass A / Grade IVChemical, Pharmaceutical, Food & Beverage
InframarkClass A / Grade IVMunicipal & Industrial O&M
Jacobs SolutionsClass A / Grade IVHeavy Industrial, Refinery, Petrochemical
Operators UnlimitedClass A / Grade III-IVPretreatment, Chemical Manufacturing
Xylem (formerly Evoqua)Class A / Grade IVLife Sciences, Microelectronics, Power

Estimated ~4,800 entries. We'll only compile the full list if enough people reserve it.

* No charge now. Purchase is optional.

Finding Licensed Industrial Wastewater Operators for Contract Hire

Industrial facilities generating process wastewater — from food processing and pharmaceutical manufacturing to petrochemical refining and metal finishing — are required under the Clean Water Act and state NPDES permits to operate treatment systems under the supervision of licensed operators. Hiring a qualified contract operator is often more cost-effective than maintaining a full-time in-house team, especially for facilities that don't generate enough volume to justify dedicated staff.

Industry Landscape

According to the U.S. Bureau of Labor Statistics, there are approximately 124,800 water and wastewater treatment plant operators employed in the United States. A growing share of these professionals work as contract operators for private firms that serve industrial clients. Major players in the contract operations space include Veolia Water Technologies, Jacobs Solutions (ranked #1 in Wastewater Treatment by Engineering News-Record), Inframark (operating 550+ systems across 30 states), and Xylem (which acquired Evoqua Water Technologies in a $7.5B deal in 2023).

Certification Requirements by State

Operator certification is administered at the state level, and requirements vary significantly. Most states classify operators into grades (typically I through IV or A through D), with higher grades required for more complex treatment systems. Key considerations when hiring:

Grade/Class Match
The operator's certification grade must meet or exceed the classification of your facility. Operating with an under-certified operator is a compliance violation.
Industrial vs. Municipal Certification
Some states, such as Michigan, issue separate industrial/commercial wastewater treatment plant operator certifications distinct from municipal certifications.
Reciprocity
Many states have reciprocity agreements through the Association of Boards of Certification (ABC), allowing operators licensed in one state to obtain certification in another.

What Contract Operators Typically Handle

ServiceDescription
Daily OperationsProcess monitoring, chemical dosing adjustments, sampling and lab analysis
Regulatory ComplianceNPDES permit management, DMR/SMR reporting, EPA and state agency liaison
MaintenancePreventive and corrective maintenance of pumps, blowers, clarifiers, and control systems
Emergency ResponseSpill containment, upset condition management, 24/7 on-call coverage
Process OptimizationReducing chemical costs, improving effluent quality, energy efficiency upgrades

Cost Considerations

Contract operator rates for industrial wastewater systems typically range from $20 to $60+ per hour, depending on certification level, complexity of the treatment process, and geographic region. Full-service O&M contracts — where a firm assumes responsibility for staffing, compliance, and maintenance — are priced on an annual basis and can offer significant savings compared to building an in-house operations team.

Frequently Asked Questions

Q.Where does the data come from?

Full lists would be compiled from public sources such as official registries, industry association rosters and company websites. The sample rows on each page come from web searches and are unverified. Organization info only — no personal contact details.

Q.Is the full list available now?

Not yet. Sample rows are free. We only compile a full list if enough people reserve it. If we do, we'll email everyone who reserved it a purchase link (buying is optional). If we don't, nothing happens and you're never charged.

Q.What does it cost?

Sample rows are free. A full list is $49, paid only if we compile it and you decide to buy. There is no free trial or subscription.

Q.What format is it delivered in?

CSV (opens in Excel or Google Sheets). There is no API.