EPA initially promulgated the Grain Mills Effluent Guidelines and Standards (40 CFR Part 406) in 1974 and 1975 and amended the regulation between 1975 and 1986.The regulation covers direct direct dischargerA point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans. and indirect indirect dischargerA facility that discharges pollutants to a EPA promulgated Effluent Guidelines for Concentrated Aquatic Animal Production (CAAP), or aquaculture, in 2004. The regulation (40 CFR Part 451) applies to existing and new CAAP facilities with the following characteristics: Use flow-through, recirculating, or net pen systems; This notice announces the availability of the U.S. Environmental Protection Agency's (EPA) Preliminary Effluent Guidelines Program Plan 15 (Preliminary Plan 15) and solicits public comment. The Clean Water Act (CWA) requires the EPA to biennially publish a plan for new and revised effluent limitations guidelines, after public review and comment. The OCPSP effluent guidelines are mass-based even though the limitations for every pollutant at every level of control (BPT, BAT, PSES, etc.) with EPA intends to publish guidance on monitoring at OCPSP facilities in the near future. The guidance will address both the issues of compliance monitoring generally and of initially U.S. Environmental Protection Agency, 1200 Pennsylvania Avenue NW, Washington, DC 20460; In response, EPA agreed to reconsider the Effluent Guidelines for two wastestreams (flue gas desulfurization and bottom ash transport water) and the Steam Electric Reconsideration Rule was published in October 2020. On August 31, 2020, the United States Environmental Protection Agency (EPA) issued the pre-publication notice of a final rule that revises two aspects of the technology-based effluent limitations guidelines and standards (ELGs) for the steam electric power generating industry set by the Obama Administration in 2015. Effluent guidelines plans provide a summary of EPA's annual review of effluent guidelines and pretreatment standards, consistent with CWA Sections 301(d), 304(b), 304(g), 304(m), and 307(b). From these reviews, the plans identify any new or existing industrial categories selected for effluent guidelines or pretreatment standards rulemakings and EPA published its Preliminary 2016 Effluent Guidelines Program Plan on June 27, 2016. The Plan announces actions EPA is taking, or plans to take, to better control industrial wastewater discharges. EPA also published its 2015 Annual Effluent Guidelines Review Report providing detailed information about industrial wastewater discharges. The United States Environmental Protection Agency (EPA) issues Effluent Guideline regulations for categories of industrial sources of water pollution under Title III of the Clean Water Act (CWA). [1] The standards are technology-based, i.e. they are based on the performance of treatment and control technologies (e.g., Best Available Technology ). Effluent limitations based on BCT may not be less stringent than the limitations based on "best practicable control technology currently available" (BPD. Thus, BPT effluent limitations guidelines are a "floor" below which BCT effluent hmitations guidelines cannot be established. Section 304(b)(4)(B) adds an additional evaluation to the effluent EPA publishes packages of regulations, called "effluent guidelines," which lay out performance standards for different types of facilitie