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Technical Support Document For The Revisions To The National Pollutant Discharge Elimination System Regulations For Concentrated Animal Feeding Operations.

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Under the National Pollutant Discharge Elimination System (NODES) permit program, all point sources that discharge pollutants to waters of the United States must apply for an NPDES permit and may discharge pollutants only under the terms of that permit. Such permits include nationally established technology-based effluent discharge limitations. In the absence of national effluent limitations, NPDES permit writers must establish technology-based limitations and standards on a case-by-case basis, based on the permit writer's best professional judgement.
In addition to the technology-based effluent limits, permits may also include water quality-based effluent limits where technology-based limits are not sufficient to ensure compliance with the water quality standards or to implement a Total Maximum Daily Load (TMDL). Permits may include specific BMPs to achieve effluent limitations, typically included as special conditions. In addition, MPDES permits normally include monitoring and reporting requirements, as well as standard conditions that apply to all permits.

EPA's analysis of the final rule includes estimates of the incremental costs and benefits of changes in the NPDES permit regulations in 40 CFR 122. To obtain incremental values, EPA developed estimates of the number of regulated operations for a baseline compliance scenario and compliance scenario based on the final rule. Section 9.1 describes how EPA derived baseline estimates. Section 9.2 provides the estimates of the number of operations affected under the final rule. Section 9.3 provides estimates of the new expenditures states are expected to incur when they implement the final rule.

Descriptors:
Date:
Reference #:
2002
W.2002.11 A
Availability:
Yes
EPA Office:
Office of Water
Office Suboffice:
Office of Wastewater Management
Office Division:
Permits Division
EPA Author:
Kibler, Virginia
Document Type:
Benefit Analysis
Cost Analysis
Contractors:
Tetra Tech, Inc.; Science Applications Incorporated Corp.
Document Status:
Final
Pages:
37
Document file(s):

entire document (PDF, 145.5K, About PDF)


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