Troubleshooting: Why Worry About Wastewater Strength?

A few years ago I was involved in a class where we visited several houses that had various media filters as a part of their wastewater treatment systems. When we opened the media filter at one location we found the surface of the filter was clogged as well as the orifices in the pressure distribution laterals.Since the system had been serviced within the past six months — septic tank and pump tank cleaned — we weren’t expecting this problem. That service provider had not opened the media filter so there was no documentation if was happening at the time of