Learn the Issues
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CWA Restoration Framework
Overview of Clean Water Act (CWA) restoration framework including; water quality standards, monitoring/assessment, reporting water quality status, TMDL development, TMDL implementation (point & nonpoint source control)
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Service Areas for Third Party Compensatory Mitigation under CWA Section 404
Watershed, ecoregion, physiographic province, and/or other geographic area within which the mitiigation bank or in-lieu fee program is authoriized to provide compensatory mitigation
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Advance Identification (ADID) of Disposal Areas under CWA Section 404
Advance identification of disposal areas (ADID), a planning process used to identify wetlands and other waters that are generally suitable or unsuitable for the discharge of dredged and fill material.
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Financial Assurances for Mitigation under CWA Section 404
DE shall require sufficient financial assurances to ensure a high level of confidence that the mitigation project will be successfully completed, in accordance with applicable performance standards.
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Site Protection Mechanisms for Mitigation under CWA Section 404
Mitigation projects must be provided long-term protection through real estate instruments or other available mechanisms, as appropriate.
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Long-term Management of Mitigation Projects under CWA Section 404
Mitigation should be self-sustaining but active management may be needed to meet objectives. Long-term Management is needed to ensure sustainable mitigation after performance standards are met.
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Corps/EPA Compensatory Mitigation Rule 3rd Party Mitigation – Requirements
Corps/EPA Compensatory Mitigation Rule 3rd Party Mitigation: Requirements
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Corp/EPA Compensatory Mitigation Rule: Agency Roles and Responsibilities
Determining appropriate amount and type of compensatory mitigation. Facilitate establishment of Mitigation Banks or In-Lieu Fee programs through the development of instruments.
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Remining - Opportunities and Limitations for Water Quality Improvement and Stream Restoration
Benefits of Remining are discussed including; reclamation of abandoned mine lands that the AML program is unlikely to ever restore, decrease or eliminate pollution loads of acidity,iron, manganese and other contaminants from pre-existing discharges.
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Corps/EPA Compensatory Mitigation Rule 3rd Party Mitigation - Instrument Development
Written determination of potential suitability of proposed Mitigation Bank or In-Lieu Fee program to provide compensatory mitigation for CWA 404 permits
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Headwater Streams - What Are They and What Do They Do?
General Stream Principles including headwater streams, Lane's Relation, stream beahvior
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What Kind of Water Features are Regulated by the Clean Water Act (also known as Waters of the U.S.)
Section 404 permits are required when waters regulated under the Clean Water Act, also called "Waters of the U.S.," will be dredged or filled
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Memorandum: Clean Water Act Section 404 Regulatory Program and Agricultural Activities
Memorandum from 1990 concerning the applicability of the Clean Water Act Section 404 regulatory program to agriculture.
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Underground Injection Control in EPA Region 8 (CO, MT, ND, SD, UT, and WY)
Region specific UIC contact information is provided.
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Water Utility Resources for the COVID-19 Pandemic
Discover resources for water utilities related to the COVID-19 Pandemic.
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Calculating vulnerability zone distances for EHSs in solutions
When calculating vulnerability zone distances, how would the quantity released (QR) be handled for an extremely hazardous substance (EHS) in solution? If the EHS is in solution, a facility can make a rough estimate of the QR using equation (1) on page G-2 of the "Technical Guidance for Hazards Analysis."…
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Does hydrogen sulfide present in the ground count towards the TPQ and RQ?
A petroleum company is drilling for oil contained in the ground below their facility. Would the hydrogen sulfide present in the ground be counted toward the threshold planning quantity (TPQ) for this extremely hazardous substance (EHS) under Section 302? Also, if there is a reportable release of this EHS above…
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Tier II Trade Secret Package Must Include All Chemicals Subject to Reporting
The regulations at 40 CFR part 350 allows facilities to withhold certain chemical information when reporting under the Emergency Planning and Community Right-to-Know Act (EPCRA) if the facility claims those chemicals to be a trade secret. When submitting the required trade secret claim package for EPCRA section 312 (i.e., Tier…