Influent pollutant credit.
Columbus City Codes § 1145.25
in effect1145.25 - Influent pollutant credit.
Categorical pretreatment standards may be adjusted by the Director to reflect the presence of pollutants in the industrial user's intake water.
(A) Application for Credit. Any industrial user wishing to obtain credit for intake pollutants must make application to the Director. Upon request of the industrial user, the applicable standard will be calculated on a "net" basis (i.e., adjusted to reflect credit for pollutants in the intake water) if the criteria of part (B) of this section are met.
(B) Criteria for Approval.
(1) The industrial user must demonstrate that the control system it proposes or uses to meet applicable categorical pretreatment standards would, if properly installed and operated, meet the standards in the absence of pollutants in the intake waters.
(2) No credit for conventional pollutants such as BOD 5 , TSS, FOG, TKN, pH, COD, TOC shall be granted.
(3) Credit shall be granted only to the extent necessary to meet the applicable categorical pretreatment standards, up to a maximum value equal to the influent value. Additional monitoring may be necessary to determine eligibility for credits and compliance with standard(s) adjusted under this section. The industrial user shall bear all costs for additional monitoring required under this section.
(Ord. No. 1327-2012, § 1, 7-23-2012, eff. 10-1-2012; Ord. No. 2553-2020, § 1, 2-8-2021; Ord. No. 2320-2025, § 1, 9-28-2025)
Source: City of Columbus, City Codes and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/oh/columbus/codes/code_of_ordinances?nodeId=TIT11WASEELCO_CH1145SEUSRE_1145.20--1145.26STDI_1145.25INPOCRFetched: 10/27/2026