Industrial Pretreatment addresses the protection of Publicly Owned
Treatment Works (POTW) facilities from industrial process wastewater
discharges that can upset, inhibit or pass through the Wastewater
Treatment Plant (WWTP).
WWTPs are designed to treat only domestic wastewater (e.g., from
household bathrooms and kitchens). Industrial wastewater can reduce
a WWTP's effectiveness to the point that the POTW can no longer
meet its permit limits which are in place to protect water quality
standards.
In Oklahoma, industries are regulated by the DEQ Industrial Pretreatment
Program in one of two ways. Some are regulated by the local municipality
through a State-approved Pretreatment Program. Others are regulated
by an Indirect Discharge Permit in cases where the municipality
does not have a State-approved Pretreatment Program or is not required
to develop one.
Those industries not regulated under a municipality's State-approved
Pretreatment Program are regulated under the umbrella of the State
Pretreatment Program operated by DEQ.
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