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

Dan Nash

Nash Well Company
Milo, Iowa
Phone #: (641) 942-7148
Type: Basic
Credential expiration date: 8/31/2018

Brian Kraus

Kraus Plumbing and Heating
Monticello, Iowa
Phone #: (319) 465-5129
Type: Basic
Credential expiration date: 3/31/2018

William V. Walsh

Value Sewer and Drain Services
New City, New York
Phone #: (845) 494-0848
Type: Advanced
Credential expiration date: 1/31/2020

Kenneth Rasing

Chickasaw Cnty Environmental Health
New Hampton, IA
Phone #: (641) 394-2406
Type: Basic
Credential expiration date: 1/31/2017

Albert Christmann

Albert Christmann Inc.
Newfoundland, New Jersey
Phone #: (973) 728-6911
Type: Advanced
Credential expiration date: 1/31/2019

John Zisa

Water Resource Technologies
Newfoundland, New Jersey
Phone #: (973) 697-3220
Type: Advanced
Credential expiration date: 5/31/2019

Scott Richard Newell

Sunrise Environmental Inc.
Newfoundland, NJ
Phone #: (973) 309-0824
Type: Advanced
Credential expiration date: 1/31/2018

Chris M. James


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

Kevin W. Luetters

Jasper County
Newton, IA
Phone #: (641) 792-7603
Type: Basic
Credential expiration date: 1/31/2018

Michael J. Lacken


Newton, New Jersey
Phone #: (973) 670-5220
Type: Advanced
Credential expiration date: 9/30/2019

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