Why Pretreatment Programs Exist
The regulatory and technical case for keeping industrial pollutants out of the collection system.
The Plant as Last-Line Defense, Not First
A POTW is a biological system: it can absorb and treat most domestic pollutants but cannot remove heavy metals or toxic industrial compounds.
Federal vs Local Authority
EPA establishes the framework (40 CFR 403) and categorical standards, but the local POTW writes and enforces most of the actual permit terms.
Prohibited Discharges
Some discharges are prohibited outright under any pretreatment permit, regardless of the industrial category.
What the Program Has to Deliver
An approved pretreatment program must demonstrate five specific legal and operational elements to retain enforcement authority.
The industry's most useful newsletter, straight from the plant floor.
One email. No fluff. New lessons, equipment breakdowns, and process control notes, delivered when there's something worth reading.