August 27, 2018

Download the August 27, 2018 MOWMA/OWSIM Newsletter. [Read More]

WCOWMA’s Onsite Informer Magazine

This complimentary magazine is full of articles and information relevant to people working in the wastewater industry. It’s been a little while since an issue was published, but the Fall 2018 issue will be sent to the printers soon. If [Read More]

Changes to Graded Stone Requirements for Prefabricated, Gravel-less Chambers

Effective July 18, 2018, the placement of graded stone beneath prefabricated, gravel-less chambers is no longer required or recommended for disposal field systems, including sand mounds and sand-lined trenches.  This change applies to chambers with an H-10 AASHTO load rating [Read More]