Learn the Issues
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Clean Watersheds Needs Survey (CWNS) – 2012 Report and Data
The total wastewater and stormwater management needs for the nation are $298.1 billion as of January 1, 2008.
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Clean Watersheds Needs Survey (CWNS) – 2004 Report and Data
The 2004 CWNS summarizes the results of EPA's fourteenth national survey on pollution control capital investment needed to meet environmental and human health objectives of the Clean Water Act.
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CWNS Small Community Form
Clean Watersheds Needs Survey form
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Animal Feeding Operations - Regulations, Guidance, and Studies
AFO regulations and guidance.
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Animal Feeding Operations - Compendium of State Permits and Programs
This compendium showcases examples of state program features for promoting good manure management at animal feeding operations. The examples show clear evidence of on-the-ground implementation and focus on meaningful environmental outcomes.
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Understanding Nutrient Management Plans
Understanding Nutrient Management Plans: Learning Modules for Permit Writers and Inspectors
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Animal Feeding Operations - Technology and Innovation
AFO technology and innovation
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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.