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All wastewater treatment facilities in Delaware must be operated under the direct supervision of a Delaware Licensed Wastewater Operator. The Department of Natural Resources and Environmental Control administers the certification program with advice and assistance from the Board of Certification For Operators of Wastewater Facilities.
Regulations for Licensing Operators Of Wastewater Facilities
(7 DE Admin. Code 7204)
License Certification: $50
License Renewal: $50
Late Renewal Surcharge: $15
Emergency License: $375
Exam Registration: $100
A wastewater operator is an person who, through observation, interpretation, or decision, operates a wastewater facility or a segment of a system or facility. The state of Delaware issues four different levels of wastewater operator license.
Level I requires a high school diploma and one year of acceptable operating experience.
Level II requires a high school diploma and three years of acceptable operating experience in wastewater facilities of Class I or higher.
Level III requires a high school diploma, two years of approved college level education in engineering or allied subjects, and four years of acceptable operating experience in wastewater facilities of Class II or higher, two years of which must have been in a position of direct responsible charge.
Level IV requires a college degree of completion of four years in a standard curriculum in engineering or allied subjects and four years of acceptable operating experience in wastewater facilities of Class III or higher, two years of which must have been in a position of direct responsible charge.
Learn more about the process and requirements for wastewater operator licensing.
To become a licensed wastewater operator, applicants must first pass an exam and then submit an application.
There is a separate written exam for each level of license. The exams are made up of multiple-choice and true/false questions. Applicants must earn a score of 75 percent or higher to pass.
Exam results will be sent to applicants by mail within four to six weeks of the exam. Scores are valid for three years from the date of the exam. (Note: a passed exam does not mean the applicant is a licensed wastewater operator)
Applicants who have passed the exam may submit an application Application for Certification, along with their educational transcripts.
Applicants who do not meet the experience or the educational requirements may, with the approval of the Board, receive an Operator-In-Training (OIT) license.
Applicants who hold certifications or licenses from other states, where requirements are found to be equal to Delaware’s requirements, may apply for certification in Delaware under the state’s reciprocity provision.
At the start of each year, all wastewater facilities in Delaware must report the names of all Delaware Licensed Wastewater Operators to the Department using a Section 4.04 Report Form. They must report any personnel changes involving Licensed Operators, within 30 days after the change.
Wastewater operator licenses are issued for a two year period. To renew, applicants must provide proof of at least 20 hours of approved training during the two years. A minimum of ten hours must be directly related to wastewater facility operations or maintenance. Up to ten hours may be indirectly related courses that are approved by the Board of Certification For Operators of Wastewater Facilities. Duplication of directly related courses in consecutive renewal periods is not allowed.
The Delaware Technical & Community College Environmental Training Center offers a full schedule of related training and classes. The Board maintains a list of approved and denied courses and accepts requests for training course approval.
Delaware Technical & Community College Environmental Training Center