The United States Environmental Protection Agency (EPA), Office of Wastewater Management, Water Permits Division has prepared this Model Pretreatment Ordinance. It is for use by municipalities operating Publicly Owned Treatment Works (POTWs) that are required to develop pretreatment programs to regulate industrial discharges to their systems. The model ordinance should also be useful for communities with POTWs that are not required to implement a pretreatment program in drafting local ordinances to control nondomestic dischargers within their jurisdictions. A municipality should not adopt the model ordinance verbatim. Instead, the model ordinance should be used as a guide for adopting new or revised provisions of local law to implement and enforce a pretreatment program that fulfills requirements set out in the Code of Federal Regulations (CFR). The municipality must consider conditions at its POTW and consult State law to determine what adjustments might need to be made to the model ordinance and what provisions are authorized under State law. Many provisions in the model ordinance contain blanks or brackets; these indicate that the provision must be adapted to the POTWs circumstances. Also, bracketed notes in bold, 10 point print are provided for certain provisions, explaining issues the municipality must consider when crafting local provisions.