Onsite Septic Systems and ATUs

In many cases, a septic system fails because biosolids clog the gravel/soil interface in the system's absorption beds, creating a biomat that prevents effluent from...

A combined hands-on professional training program and charitable effort by the Iowa Onsite Waste Water Association celebrated its 12-year anniversary recently. And...

Systems improve wastewater quality for ecologically and culturally sensitive communityProblem: A coastal retreat community in Hawaii was looking to remove large-capacity cesspools...

During Vermont’s SepticSmart Week, the public radio network spoke with Mary Clark, environmental program manager for Vermont's Department of Environmental Conservation, and Dave Whitney,...

Chemical oxygen demand is a measure of the amount of organic matter oxidized by a strong chemical oxidant. COD is used to...

TSS is the most common measure of the amount of solids, both organic and inorganic, in wastewater effluent. Raw wastewater has a...

Suffolk County, New York, has pushed to replace common cesspools with advanced onsite systems that reduce nitrogen pollution, and now a couple of...

Here are a few pump math questions:1. If there is a rectangular pump tank with dimensions of 5 feet wide by 8 feet long,...

Here are the answers to today’s practice problem.1. If there is a rectangular pump tank with dimensions of 5 feet wide by...

The first step in any repair job is knowing what’s going on underground, and that is why a camera snake is the...

Among my frequently asked questions: "What can be done to protect a system against flooding?" And: "If the system has been flooded,...

Honor Credit Union was building a new operations center in southwestern Michigan about 16 miles from the Indiana border, and the organization...

The area around Washington, D.C., is busy, and in this thriving corner of northeastern Virginia, the McKim family has built a thriving...

Drip disposal system designed for school with limited disposal areaProblem: A school in Missouri had an outdated wastewater treatment system that was...

Entry 424223 Biochemical oxygen demand (BOD5) is the most widely used parameter applied to wastewater. It’s a measure of the dissolved oxygen required by microorganisms...

Here is the second problem in this series:I have a cylindrical (round) tank that has a diameter of 6 feet and is 5.5 feet...

Here are the answers to this month's practice problem.I have a cylindrical (round) tank that has a diameter of 6 feet and is 5.5...