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

Robert Jewell, Sr.

Jewell Excavating Co. Inc.
Port Murray, NJ
Phone #: (908) 852-4763
Type: Advanced
Credential expiration date: 7/31/2019

Robert Jewell

Jewell Excavating Co., Inc.
Port Murray, NJ
Phone #: (908) 852-4763
Credential expiration date: 7/31/2017

Thomas Foster

Thomas Foster Company, Inc.
Port Republic, NJ
Phone #: (609) 652-2538
Type: Advanced
Credential expiration date: 1/31/2017

Eugene A. Solseth

Hills Septic Service
Rapid City, SD
Phone #: (605) 348-3293
Type: Advanced
Credential expiration date: 4/30/2018

Matt Askland


Rapid City, SD
Phone #: (605) 391-2383
Type: Basic
Credential expiration date: 6/30/2018

Aaron Lee Olson

Olson Plumbing & Heating
Rapid City, SD
Phone #: (605) 430-2453
Type: Advanced
Credential expiration date: 1/31/2018

Lloyd J. Jakoubek

Raymond Contracting Inc
Raymond, NE
Phone #: (402) 890-6009
Type: Basic
Credential expiration date: 12/31/2018

Terri Jakoubek

Raymond Contracting Inc
Raymond, NE
Phone #: (402) 783-2663
Type: Basic
Credential expiration date: 12/31/2018

Roger Redner


Ringwood, NJ
Phone #: (973) 835-6683
Type: Advanced
Credential expiration date: 1/31/2019

Mark Eliassen

Hilltop Landscape Contractors
Ringwood, NJ
Phone #: (973) 418-8461
Type: Advanced
Credential expiration date: 1/31/2019

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