SIGNIFICANT INDUSTRIAL USERS.
Austin City Code § 15-10-111
in effect§ 15-10-111 - SIGNIFICANT INDUSTRIAL USERS.
(A) In addition to the other requirements in this chapter, a permit issued to a significant industrial user must include:
(1) a statement identifying:
(a) the person holding the permit;
(b) the premises from which the permitted discharge will be emitted; and
(c) the nature, characteristics, conditions, and limitations to the permitted discharge;
(2) the period during which the permit is effective;
(3) a statement that the permit is non-transferable without the director's approval;
(4) a requirement that the person holding the permit must provide a new owner, operator, or manager of a permitted premises with a copy of the permit;
(5) effluent limits, including best management practices, based on federal, state, and local regulation;
(6) requirements for:
(a) pretreatment;
(b) self-monitoring;
(c) sampling;
(d) reporting;
(e) notification;
(f) record keeping;
(g) submitting a compliance schedule consistent with federal, state, and local regulation, if applicable; and
(h) controlling slug discharges, if determined by the director to be necessary.
(7) identification of:
(a) pollutants to be monitored;
(b) sampling locations;
(c) sampling frequency; and
(d) sample type; and
(8) a statement of the civil, criminal, and administrative penalties for a violation of pretreatment standards, or other requirements of this chapter.
(B) To protect the POTW, the director may require that a permit issued to a significant industrial user include:
(1) a limit on:
(a) the average or maximum rate of discharge; or
(b) time of discharge;
(2) flow regulation and equalization requirements;
(3) a limit on the instantaneous daily and monthly average or maximum concentration, mass, or other measure of identified wastewater pollutants or properties;
(4) requirements for:
(a) the installation of pretreatment and monitoring technology;
(b) the installation of pollution controls; or
(c) construction of an appropriate containment device designed to reduce, eliminate, or prevent the introduction of pollutants into the POTW;
(5) development and implementation requirements for a waste minimization plan to reduce the amount of pollutants discharged to the POTW;
(6) a statement of the management and treatment unit charge or schedule of charges and fees for wastewater discharged to the POTW;
(7) installation and maintenance requirements for inspection and sampling facilities and equipment; or
(8) a statement that the permit is subject to modification by the director in accordance with this chapter.
(C) The director may make a determination under 40 CFR 403.8(f)(6) that a person is not a significant industrial user if a person otherwise classified as a significant industrial user has no reasonable potential for adversely affecting the POTW's operation or for violating a pretreatment standard or requirement.
(D) The director may designate a significant industrial user as a non-significant categorical industrial user if the director determines that the industrial user has never discharged more than 100 gallons per day of total categorical wastewater (excluding sanitary, non-contact cooling and boiler blowdown wastewater, unless specifically included in the pretreatment standard) and the following conditions are met:
(1) the industrial user, prior to the director's designation, has demonstrated consistent compliance with all applicable categorical pretreatment standards and requirements;
(2) the industrial user submits at least once per calendar year the certification statement required in Section 15-10-167 (Periodic Certification by Non-Significant Categorical Industrial Users), together with any additional information necessary to support the certification statement; and
(3) the industrial user never discharges any untreated concentrated wastewater.
(E) Significant industrial users are required to notify the director immediately of any changes at a facility affecting the potential for a slug discharge.
Source: 1992 Code Section 18-2-111; Ord. 031204-14; Ord. 031211-11; Ord. No. 20200729-002, Pt. 22, 8-10-20.
Source: City of Austin, City Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/tx/austin/codes/code_of_ordinances?nodeId=TIT15UTRE_CH15-10WARE_ART6PEPR_DIV2USSPPERE_S15-10-111SIINUSFetched: 10/27/2026