Stormwater and Wastewater System Inspection

Stormwater and Wastewater System InspectionArchive- NICET ended the Work Element (WE) exams December 31, 2017. This page is for information and reference about the WE process.

This certification program is designed for engineering technicians engaged in the inspection of stormwater and wastewater systems and is applicable to both private and public sector technicians. Technical areas covered are safety; specifications and contract plan interpretation; field installation and landscape restoration techniques; field inspection and testing procedures; verbal and written communication; record-keeping and reporting; and project management duties.

Stormwater and Wastewater System Inspection comprises four levels of certification. Level I is designed for trainees and entry-level technicians who perform limited job tasks under frequent supervision, Level II is for technicians who perform routine tasks under general daily supervision, Level III is for intermediate-level technicians who, under little or no daily supervision, work with standards, plans, specifications, and instructions, and Level IV is for independent, senior-level technicians whose work includes supervising others. Certification at Levels II, III, and IV does not require prior certification at the lower level, but it does require meeting the certification requirements of the lower levels.

Requirements for Certification in Stormwater and Wastewater System Inspection

NICET has established the following criteria for certification in Stormwater and Wastewater System Inspection: sufficient appropriate work experience, successful performance on a written exam based on job tasks, and supervisor verification of job task competency. A personal recommendation is required at Levels III and IV. See the Program Detail Manual for a description of each of the certification criteria and requirements charts for each Level of certification. 

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Program Detail Manual


See the Requirements Chart for a summary of testing and experience requirements.

  • Work History

    On your application or the Work History form, you must provide NICET with a detailed description of your responsibilities and job tasks for each position you've held. Carefully read the instructions with the work history form for limitations on acceptable work experience. Your work experience for higher levels must show progressively greater responsibility and technical competence. A two-year or four-year degree in a relevant ABET/TAC-accredited engineering technology program will be accepted as equivalent to 18 months of work experience. (Credit will NOT be awarded for an engineering degree.) To receive credit for a degree, complete the Education Credit Addendum.

  • Written Exam on Stormwater and Wastewater System Inspection Work Elements

    In designing this program, a committee of technical experts examined the role of engineering technicians in Stormwater and Wastewater System Inspection and grouped their typical duties and job tasks into modules called work elements. The Institute uses work element classifications to set examination requirements and evaluate applicants' job-related knowledge. A listing of these work elements and their descriptions can be found in the Stormwater and Wastewater System Inspection Program Detail Manual. On your application, you will select those work elements you wish to include on your exam. You will meet an exam requirement by passing the listed number of elements in each category under your desired certification level (see below).

    The Stormwater and Wastewater System Inspection work elements have been assigned to two levels of certification. Level I Work Elements cover background knowledge and entry-level job skills typically acquired by students and trainees with at least a few weeks experience in the technical area. Level II Work Elements cover more advanced knowledge and job skills that technicians demonstrate proficiently in the first two years of employment. Level III work elements cover advanced skills based on previous mastery of various Level II work elements. Level IV work elements cover complex technical and/or supervisory situations requiring analytical abilities and previous mastery of the skills covered in Level III work elements. By your tenth year of employment in this technical area, you should be proficient in most Level IV work elements.

    The Institute classifies work elements in three types: general, special, and core. General Work Elements are those whose tasks are performed regularly by all technicians in the specialty area. Special Work Elements, however, may be more specific to certain regional areas or specialty areas within the field/subfield. Core work elements are General Work Element tasks that must be mastered before a technician can build on his or her knowledge and advance towards NICET's upper levels of certification.

  • Supervisor Verification of Job Task Competency

    On your application or on the Work Element Verification form, you must submit your supervisor's verification that you have repeatedly and competently performed the tasks described in the Stormwater and Wastewater System Inspection Work Element descriptions. By initialing a work element, your verifier attests that he or she has witnessed you perform that work element's tasks repeatedly and competently. All passed elements used to meet an exam requirement must be verified.

  • Personal Recommendation (required for certification at Levels III and IV)

    Submit a Technician Personal Recommendation form ompleted on your behalf by a qualified industry member who is familiar with your technical capabilities and professional character. The form can be completed by NICET Level IV technicians, PE's, and graduates of a related 4-year degree program. A person who serves as your verifier can NOT also be your recommender. This form expires one year after it is signed. If your recommendation has expired, you must submit a new one before NICET can award you a Level III or Level IV certificate.

  • Certification Requirements for Stormwater and Wastewater System Inspection

    The available work elements, major responsibilities, tasks, knowledge, and skills associated with each level of certification can be found in the Stormwater and Wastewater System Program Detail Manual.  Summaries of requirements by level are available by clicking here.

    When selecting work elements for your examination, review the examination requirements chart and the work element listing in your program detail manual. Whenever possible, try to choose the work elements whose descriptions most closely resemble the work you regularly perform. You might want to choose a few extra work elements for each category to increase your chances of meeting the requirement. If you pass more work elements than necessary, you may be able to apply them to the next certification level's exam requirement; then, when you're ready to test for the next level, you'll have a head start. You may test up to 34 work elements per exam sitting.

Application Forms

Application Package
(Parts I through IV)

All the forms you need to apply, complete with instructions. For certification at Level III and IV, a Personal Recommendation (Part V) will also be required.

General Instructions

General overview of the application process

Work Element Test Application
(Parts I and IV)

For those who want to test, but are not presently seeking certification

Technician Work History Form (Part II) For providing a detailed description of your responsibilities for all positions you've held
Verification Form
(Parts III and IV)

For performance verification of previously tested (or applied for) work elements

Personal Recommendation Form
(Part V)

The recommender rates your capabilities and professional character


How to Schedule a Test

Click here to access the database of Work Element Exam Centers and Test Dates.

After processing your application, NICET will send you a confirmation notice with directions to your test center and information about what to bring with you. Two to three weeks after the exam, you will receive your score report in the mail.

After passing the exam requirement, if the evaluation process turns up shortcomings against the other certification requirements, NICET will mail you a CDL with further instructions.

Certification is issued once all requirements are met.

The Institute will notify you of its decision within 90* days of your test date.

*Complicated cases may take significantly longer.


Work Element Application $300
Rescheduling $155


This fee applies to any exam sitting at a scheduled NICET test session, regardless of the length or type of exam. It is a flat fee because the process to generate, administer, and score an exam is not affected by the length of the exam. The only exception is the Special Recertification Exam; this is a per exam fee even when two exams are scheduled for the same day.

Exams administered at times and places different from scheduled test sessions (see Policy #18) will require an additional fee to cover the additional costs.

Under specific conditions, the Institute will offer a discounted exam fee to educational institutions or government agencies who wish to sponsor mass testing. Contact the Institute at 1-888-476-4238, ext. 106 for further information.

For more information on fees, please click here.

What is the Test Like?

The exam will test your knowledge of typical duties and job tasks. The web pages for each program offer descriptions of the areas that will be covered on the exam. The questions, all multiple-choice, are designed to be answered with little difficulty by those who regularly perform the tasks within those covered areas.

NICET test questions are submitted and reviewed by volunteer committees of technical experts. Pilot tests are used to check performance before opening an exam to the public.

For all work element and general knowledge testing programs:
Your test will be custom-made according to the work elements you list on your application. The work element descriptions in the program detail manual will give you a good idea of what material will be tested in each work element. The examination is open-book; you may bring standards, references, and calculators (computers are not allowed). Your time limit will be based on the specific questions on your exam, and will appear in your confirmation letter as well as on the first page of your exam.

At the test center, you will receive a test booklet, a bubble-sheet answer form, and scratch paper. All test questions are multiple-choice and have a single correct answer.

Requirements Applicable to Multiple Certifications

Are you planning to pursue another certification? If you've tested with NICET before, you may have already earned test credit in that new area. A Crossover Listing shows those work elements in the "new" subfield for which credit will be granted as soon as you begin testing in that subfield if you have previously passed certain work elements in the "old" subfield.

The crossover listings for Stormwater and Wastewater System Inspection are available below. This lists the crossover work element numbers for the first subfield and their corresponding numbers in the second subfield. Check your score reports to find out which of these work elements you have passed.

Stormwater and Wastewater System Inspection Test Development and Supporting Organizations

Development of the program was initiated in 1999 at the request of the Five Cities Plus Regional Group representing metropolitan, county, and city-wide sanitary and wastewater district owners and consultants from Northern Kentucky Sanitary Dist. No. 1, Lexington-Fayette County, Louisville, and Fort Wright, Kentucky; Fort Wayne, Evansville, Terre Haute, and Indianapolis, Indiana; Columbus, Cincinnati, Lima, ORSANCO, and Dayton, Ohio; ALCOSAN (Pittsburgh); Wheeling, West Virginia; and St. Louis and Jefferson City, Missouri.

Through a practice analysis, a volunteer panel of subject matter experts identified engineering technicians' job tasks and responsibilities and categorized them into work elements. Volunteers then submitted and reviewed examination questions for each of the work elements. In the original, two-level program that launched in the summer of 2001, the inspection details were established by an oversight committee representing only the major Five Cities Plus Jurisdictions. The resulting program was therefore initially classified as a regional certification even though it was available to applicants throughout all regions of the United States. A third Level of certification was added in the summer of 2002.

Over the next few years, the Five Cities Plus Regional Group adjusted the program’s work elements to reflect a wider variety of Stormwater technologies, and a panel of subject matter experts from around the country validated the expanded program for use nationwide. The remodeled national, four-level program was launched in July of 2006.