Our Team

Tom Basham, PE, LS – Owner and Founder of Nokesville Design

Tom has a degree in Civil Engineering with a minor in Land Surveying from Virginia Tech and is licensed in the state of Virginia as a Professional Engineer and Land Surveyor. He has over 35 years of experience practicing in Northern Virginia. Tom has specialized in Alternative Drainfield Design for over 25 years and prepared over 4,000 alternative on-site septic system designs.


Dianne Cernoch – Senior Designer and Office Manager

Dianne has worked for Nokesville Design since it first started in 2004 and has been in the septic design industry since 2002. She handles the majority of the septic designs and works closely with Tom on all of our commercial septic projects, all while overseeing the day to day operations of the office.


Kevin Cernoch – Designer and Inspector

Kevin joined our design team in 2014, with 25 years of experience in the heavy construction industry detailing concrete formwork and structural steel fabrication and erection plans. Kevin came to Nokesville Design knowing nothing of the civil engineering design process for lot grading or septic system plans. He now produces the majority of our of the lot grading designs and discharge septic designs. He also handles the majority of the septic installation inspection services.


Michelle Hackett – Admin/Accounting Assistant and Designer

Michelle joined the Nokesville Design team in 2021 as a part-time administrative and marketing assitant. She has a Bachelor’s degree in Communication Studies, and had 6 years of administrative experience in the construction industry prior to joining our team. Michelle took on the duties of Accounts Payable and Receivable in 2022, and in 2023 she started her training as a Septic Designer. She now handles most of our well plans and conventional septic designs, and does some alternative septic designs as well.