The All Service Septic Team

Timothy Petz, P.G.
Professional Geologist

Tim received his Bachelor of Geology degree from Ohio State University. After obtaining extensive knowledge and experience of onsite wastewater treatment systems with a reputable Colorado engineering firm, Tim founded and became President of ALL SERVICE septic, LLC in 2004. He is a past President of AEG and has received the Douglas R. Piteau Outstanding Young Member Award presented by the Association of Engineering Geologists. With 21 years of field experience, Tim has an excellent understanding of Colorado geology, the OWTS design and permitting processes, and is on the forefront of secondary treatment requirements in Colorado.
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Richard Petz, P.E.
Registered Professional Engineer

Richard has been a Registered Professional Engineer for over 30 years. He received his Engineering Degree from Clarkson University in New York State and his Master’s in Business Administration from the University of Dayton in Ohio. His engineeering experience includes multiple years of design, construction, and manufacturing management. He joined ALL SERVICE septic, LLC in 2004 as an engineering colleague with his son, Tim.
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Melissa Lavery, BSED, MS
Design Engineer, Administrative

Melissa earned a Bachelor of Science in Secondary Education from Central Michigan University, a Master of Science in Psychology from Capella University, and is a former high school journalism and psychology teacher. Starting in office administration and project management for the excavation side of septic system installation, Melissa has converted her three years of OWTS experience to assisting the All Service Septic engineer team from the office. 


Steve Compton
Design Engineer

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Eric Burns
Cad Technician, Field Engineer

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Erik Hamilton
Bio/Microbics FAST technician and Field Engineer

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