Current through Register Vol. XLI, No. 49, December 6, 2024
Section 46-2-14 - Pretreatment Program14.1. All indirect dischargers shall comply with the requirements of 307 of the Clean Water Act and the regulations thereunder.a. Prohibited discharges. Pollutants introduced into POTWs by indirect discharger shall not cause pass through orinterference. These general prohibitions apply to all indirect dischargers. The following pollutants may not be introduced into a POTW: 1. Pollutants which create a fire or explosion hazard in the POTW, including, but not limited to wastestreams with a closed cup flashpoint of less than 140º Farrenheit or 60º Centigrade using the test methods specified in 40 CFR 261.21.2. Pollutants which cause corrosive structural damage to the POTW, and in no case discharges with pH lower than 5.0, unless the works is specifically designed to accommodate such discharges.3. Solid or viscous pollutants in amounts which will cause obstruction to the flow in sewers or other interference with the operation of the POTW.4. Any pollutant, including oxygen demanding pollutants (BOD, etc.) released in a discharge of such volume or strength as to cause interference in the POTW.5. Heat in amounts which will inhibit biological activity in the POTW resulting in interference and in no case heat in such quantities that the temperature at the treatment works influent exceeds 40 C (104 F) unless the works is designed to accommodate such heat.7.Pollutants which result in the presence of toxic gases, vapors or fumes within the POTW in a quantity that may cause acute worker health and safety problems.8.Any trucked or hauled pollutants, except at discharge points designated by the POTW.b. Categorical standards. In addition to the prohibited discharges listed in paragraph 14.1.a, any indirect, dischargers that is subject to a Categorical Pretreatment Standard established under 40 CFR Chapter I Subchapter N and 40 CFR 403.6 shall comply with the specific requirements of such standard and shall also comply with applicable requirements of 40 CFR 403.12.14.2. POTW reporting and permit requirements. a. Existing indirect discharges to publicly owned treatment works. Any publicly owned treatment works accepting non-domestic wastes from indirect dischargers shall report to the Chief, at frequencies determined appropriate by the Chief, the names of indirect dischargers, quantity and characteristics of indirect discharges, and any other information or data deemed necessary by the Chief to evaluate the discharge with regard to its impact on the permittee's capacity to meet all applicable State and Federal requirements on treatment, water quality standards, effluent limitations and reliable operation and maintenance of the treatment works,and with regard to compliance with National Pretreatment Standards.b. Proposed indirect discharges to publicly owned treatment works. A publicly owned treatment works contemplating acceptance of a new or increased non-domestic wastewater from an indirect discharger shall file an application to modify its permit and shall provide such information and data as deemed necessary by the Chief to evaluate the discharge with regard to its impact on the permittee's capability to meet all applicable State and Federal requirements on treatment, water quality standards, effluent limitations, reliable operation and maintenance of the treatment works, and with regard to compliance with National Pretreatment Standards. 1.Those proposed indirect discharges considered by the Chief to be a significant increase or to have potential for significant impact on the existing or planned POTW can be incorporated into the POTW's permit only by modification in accordance with Section 9.2.2. Those proposed indirect discharges considered by the Chief to have no significant increase or impact on the existing or planned publicly owned treatment works may be incorporated into the POTW's permit by minor modification in accordance with Section 9.5.3. Those publicly owned treatment works that have developed and received approval of a POTW Pretreatment Program in accordance with Section 14.4.a are exempt from the requirements of this section.14.3. Reporting requirement for indirect dischargers. Indirect dischargers currently discharging or proposing to discharge into a POTW shall be required to submit to the Chief of the Division of Water Resources the information required in 40 CFR 403.12. The Chief may require additional information. The Chief shall insure compliance with pretreatment standards by indirect dischargers.14.4. Local POTW pretreatment program. a. POTWs are required to develop and submit a local pretreatment program in accordance with 40 CFR Part 403 if the total design flow of the treatment facility is greater than 5 MGD. POTWs with total design flow less than 5 MGD may be required to develop and submit a pretreatment program if the Chief determines that circumstances warrant such development. Such programs shall be incorporated into the permit issued to the POTWs, All POTWs required to have a program must have an approved pretreatment program no later than July 1, 1983. POTW's identified as being required to develop a POTW pretreatment program after July 1, 1933 shall "develop "and" submit such a program not later than one (1) year after written notification of such identification from the Chief. After obtaining the Chief's approval of a POTW Pretreatment Program, the POTW shall implement the approved program in accordance with all requirements of 40 CFR Part 403.b. When a local program is not required under paragraph a of this subsection, the Chief shall administer and enforce the pretreatment program in accordance with the provisions of this section. 14.5. " Variances from categorical standards for indirect dischargers. Indirect dischargers may apply to the Chief for variances from categorical pretreatment standards if factors relating to such users are fundamentally different from the factors considered during development of a categorical pretreatment standard applicable to that discharger. The Chief shall act upon such variances in accordance with 40 CFR Part 403.