Gunnell Engineering specializes in the design of on-site septic systems. Typical projects include new septic systems, replacement of failed septic systems, as well as upgrades and expansions to existing septic systems. Depending on the site conditions; Gunnell Engineering will be able to design a conventional septic system or a specialized treatment system to meet owner requirements and objectives for the property.

Gunnell Engineering will prepare an integrated design and drawing package; including site plan, lot grading and septic system design.