Learn the Issues
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Stormwater Discharges from Municipal Sources
Polluted stormwater runoff is commonly transported through municipal separate storm sewer systems (MS4s), and then often discharged, untreated, into local water bodies.
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EPA's 2017 Construction General Permit (CGP) and Related Documents
List of documents for construction general permit.
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Sanitary Sewer Overflow (SSO) Frequent Questions
Information and resources regarding CSO and SSOs requirements and compliance.
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Puerto Rico Erosion And Sediment Control Handbook For Developing Areas
This handbook provides a technical reference for developers, planners, engineers, government officials, and others involved in land use planning, building site development, and natural resource conservation in rural & urban communities & developing areas.
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Developing an MS4 Resources
Information and guidance documents for MS4 communities.
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Sanitary Sewer Overflows (SSOs)
Overview and differences between sanitary sewer systems, causes of overflows, and regulations.
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Transportation Resources
Information, guidance, and case studies for transportation-related projects.
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NMFS Listed Resources of Concern Materials
Lists and/or maps of states, affected counties, watersheds, or waters.
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AFO Manure Management - New Mexico: Groundwater Protection
Compendium of State Approaches for Manure Management, Part C -- Example of state regulatory features that integrate approaches across environmental media..
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AFO Manure Management - Virginia: Nutrient Management Inspector Qualifications
Compendium of State Approaches for Manure Management, Part A -- Example of program features for manure management that have a regulatory basis, such as permit provisions and other regulatory program elements.
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AFO Manure Management - Minnesota: Air Emissions Plan
Compendium of State Approaches for Manure Management, Part C -- Example of state regulatory features that integrate approaches across environmental media..
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AFO Manure Management - California: Groundwater Protection
Compendium of State Approaches for Manure Management, Part C -- Example of state regulatory features that integrate approaches across environmental media..
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AFO Manure Management - Delaware: Manure Relocation Program
Compendium of State Approaches for Manure Management, Part B -- Example of non-regulatory tools, guidance, or other program features related to manure management.
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AFO Manure Management - Oregon: Recordkeeping Calendar and Online Database
Compendium of State Approaches for Manure Management, Part B -- Example of non-regulatory tools, guidance, or other program features related to manure management.
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AFO Manure Management - Minnesota: Feedlot Registration
Compendium of State Approaches for Manure Management, Part A -- Example of program features for manure management that have a regulatory basis, such as permit provisions and other regulatory program elements.
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Multi-Sector General Permit (MSGP) 2016 Settlement Agreement
Per a 2016 settlement agreement, EPA agreed that, when drafting the proposed next MSGP, it would consider all recommendations outlined in a National Academies of Sciences, Engineering, and Medicine’s National Research Council (NRC) study.
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AFO Manure Management - South Dakota: Environmental Training Program for Livestock Producers
Compendium of State Approaches for Manure Management, Part B -- Example of non-regulatory tools, guidance, or other program features related to manure management.
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AFO Manure Management - Michigan: Manure Transfer Requirements
Compendium of State Approaches for Manure Management, Part A -- Example of program features for manure management that have a regulatory basis, such as permit provisions and other regulatory program elements.
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AFO Manure Management - California: Implementing TMDL Wasteload Allocations
Compendium of State Approaches for Manure Management, Part A -- Example of program features for manure management that have a regulatory basis, such as permit provisions and other regulatory program elements.
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AFO Manure Management - Delaware: Nutrient Management Planning Assistance
Compendium of State Approaches for Manure Management, Part B -- Example of non-regulatory tools, guidance, or other program features related to manure management.