CIOWTS - New Jersey Requirements
New Jersey Requirement for Certified Installer of Onsite Wastewater Treatment Systems – Advanced Level
The New Jersey state regulations regarding this credential are available online (PDF).
For questions about the New Jersey regulation, contact your local health department or the state program at the Department of Environmental Protection:
Eleanor Krukowski (609) 633-7021 or Eleanor.Krukowski@dep.state.nj.us
Mark Miller (609) 633-7021 or Mark.Miller@dep.state.nj.us
CIOWTS Credential Exam and Application Information
Frequently Asked Questions:
Do I need the Basic or Advanced Credential?
For NJ regulations, the only credential accepted is the Advanced Level, Certified Installer of Onsite Wastewater Treatment Systems.
What are the eligibility requirements?
For the advanced level examination, candidates must be 18 years of age or older, have a high school diploma or GED and provide a work history that contains AT LEAST two years experience installing onsite wastewater treatment systems.
What if I can’t find my high school diploma?
High school transcripts, military service records or college transcripts are allowable substitutes for a copy of a high school diploma. You can contact your school district for records if you do not have a copy.
What if I do not have a high school diploma or GED?
At this time, a high school diploma or GED is required to obtain the CIOWTS-Advanced Level Credential. If you do not have a high school diploma or GED, you can apply for the credential and then petition the NEHA Board of Directors for an exception to the requirement. If you will be applying, and do not have a High School Diploma, you should submit a letter of appeal to NEHA explaining your situation and providing as much documentation as possible to support your case. This can include proof of your work history doing installations, information on how many systems you’ve installed, any complaint history, letter(s) from regulators who are familiar with your work, copies of other relevant certifications, etc. Please address all letters to: NEHA Credentialing Petition, 720 S. Colorado Blvd., Suite 1000-N, Denver, CO 80246.
Who can verify my work experience?
There are different ways to verify your work experience: your employer, local regulator or business license.
What are the fees associated with the credential exam?
The CIOWTS-Advanced Level Credential examination fee is $170 for non-NEHA members and $145 for NEHA members. There is a $45 expedite fee if your application is received less than four weeks before exam date. There is a $100 fee for taking the exam at a Pearson-Vue testing center. Taking the exam at a testing center allows you to schedule the exam at your convenience and provides instant results from the exam.