Biomats – A biomat is a black, slimy jelly-like, slowly permeable layer of partially decomposed organic waste containing microorganisms that seek to feed and grow in this anaerobic environment. Read More

Onlot Sewage Systems – The purpose of this fact sheet is to describe the parts and function of on-lot sewage systems and the regulatory system governing their use. If you live in a rural area, it is likely that your home is not connected to a central sewer system. Read More

Site Evaluation for On-Lot Sewage Systems – Proper design and operation of an on-lot sewage system hinges on the ability of the soil to absorb and renovate the wastewater flowing from the treatment tank. Read More

Preventing On-lot Sewage System Malfunctions – For most people living in rural areas, collection, treatment, and disposal of sewage must be accomplished on site. Read More

Elevated Sand Mounds for On-Lot Wastewater Treatment – The purpose of this fact sheet is to explain what an elevated sand mound is and how, on sites requiring sand mound absorption areas smaller than 2500 square feet, they should be constructed and maintained. Read More

Septic Tank Pumping – Septic tanks are commonly used as a part of on-lot wastewater disposal systems. Septic tanks remove settleable and floatable solids from the wastewater. Read More