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

Jeff Dooley

Dooley SepticPro
Springfield, OH
Phone #: (937) 323-1703
Type: Advanced
Credential expiration date: 2/28/2017

Joel Robert Buis

J.R. Buis Excavating LLC
Stanhope, NJ
Phone #: (973) 347-8158
Type: Advanced
Credential expiration date: 10/31/2018

Kevin Perna

KDP Developers, Inc
Stewartsville, NJ
Phone #: (908) 213-1570
Type: Advanced
Credential expiration date: 3/31/2019

Mark C. Hendrickson

Mark Hendrickson Excavating
Stockton, NJ
Phone #: (218) 593-4981
Type: Advanced
Credential expiration date: 3/31/2019

Anthony Cappiello

Cappiello Construction Inc
Stockton, NJ
Phone #: (908) 996-7437
Type: Advanced
Credential expiration date: 4/30/2019

Kimberly A. Seipp

High Plains Sanitation Service
Strasburg, CO
Phone #: (303) 622-4126
Type: Basic
Credential expiration date: 12/31/2017

Michael Yeager

Hickory Hollow Landscapers
Suffern, NY
Phone #: (845) 354-8946
Type: Advanced
Credential expiration date: 3/31/2019

Robert Cardillo

Alternative Septic Solutions LLC
Sussex, NJ
Phone #: (201) 906-5868
Type: Advanced
Credential expiration date: 5/31/2019

Jeffrey Edwards

Jeffrey Edwards LLC
Sussex, NJ
Phone #: (973) 702-0089
Type: Advanced
Credential expiration date: 1/31/2019

Thomas J. Donnelly

Rich Wingle Contractor, Inc.
Sussex, NJ
Phone #: (973) 875-4891
Type: Advanced
Credential expiration date: 9/30/2019

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