Individual CIOWTS Credential Holders

Please note all those appearing on this list hold an active CIOWTS credential with NEHA. If a credential's expiration date is past due, it is possible the credential holder is working with NEHA to bring the credential up to date. If you have questions with regard to the information posted please contact the NEHA Credentialing Department at 303-756-9090 ext. 310 or email any inquiries to credentialing@neha.org.

Find a CIOWTS Credential Holder in Your Area

City, state or credential holder's name

Chris M. James


Newton, Illinois
Phone #: (217) 821-5132
Type: Basic
Credential expiration date: 3/31/2020

James G. Clark

A-One Geothermal, Inc
Norwalk, IA
Phone #: (515) 240-6926
Type: Basic
Credential expiration date: 1/31/2017

Christian Reilly

C M Reilly Contracting LLC
Oak Ridge, New Jersey
Phone #: (201) 317-3364
Type: Advanced
Credential expiration date: 3/31/2019

Jonathan A. Dikun

Dikun Enterprises LLC
Oak Ridge, New Jersey
Phone #: (973) 868-9844
Type: Advanced
Credential expiration date: 5/31/2019

Joseph Antonucci

F. Antonucci & Sons
Oakland, New Jersey
Phone #: (973) 942-0457
Type: Advanced
Credential expiration date: 4/30/2018

Leonard Scully

Affordable Septics
Oakland, New Jersey
Phone #: (201) 337-6778
Type: Advanced
Credential expiration date: 12/31/2018

Greg Pol


Oakland, New Jersey
Phone #: (201) 337-6263
Type: Advanced
Credential expiration date: 3/31/2018

James Corban


Ogdensburg, New Jersey
Phone #: (973) 670-2679
Type: Advanced
Credential expiration date: 5/31/2018

Anthony Nasisi


Ogdensburg, New Jersey
Phone #: (973) 479-7384
Type: Advanced
Credential expiration date: 5/31/2018

Jason Luty

A-Norton Septic Contracting
Old Bridge, New Jersey
Phone #: (732) 360-0809
Type: Advanced
Credential expiration date: 12/31/2018

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