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Skip Navigation LinksDNREC : Division of Watershed Stewardship : Watershed Assessment & Management : Delaware's Chesapeake Watershed Implementation Plan Phase I

Delaware's Chesapeake Bay Watershed Implementation Plan (WIP) - Phase I

Draft Phase I Watershed Implementation Plans (WIPs) were due to EPA on September 1, 2010 with the final plans submitted on November 29, 2010. Following the release of Delaware's Draft Phase I WIP, numerous comments and questions from both EPA and various stakeholder groups within the watershed were submitted. The most important criticism from EPA was that the draft plan did not achieve load reduction goals for nitrogen or phosphorus. As a result, EPA indicated their intention to institute backstop allocations (more stringent limits and actions on wastewater treatement plants, municipal stormwater, and regulated agriculture) – if the State was unable in the final plan to achieve the necessary load reduction goals and provide reasonable assurance that these goals could be achieved. Stakeholder comments and questions often focused on the costs of implementing certain actions and the potential impacts on local businesses.

As a result of comments and questions, signficant revisions to plan were made. The final approved plan was used to develop the EPA Chesapeake Bay watershed-wide Total Maximum Daily Load (TMDL) that was released in December 2010.

The final Phase I WIP documents are available below for download. For information about Delaware's more recent Chesapeake WIP work, please visit this page.

Phase I WIP Documents

Delaware's FINAL Phase I Watershed Implementation Plan with Appendices

Delaware's FINAL Phase I Watershed Implementation Plan

Appendix A: Public Talk - Real Choices

Appendix B: Interagency Workgroup and Subcommittee Members

Appendix C: Delaware's Nonpoint Source Best Management Practice Quality Assurance Project Plan

Appendix D:  Seaford's Washington Street Stormwater Retrofit Project

Appendix E: DRAFT University of Delaware Report - The Modeling of Land Use Activities within the Delaware Segment of the Chesapeake Bay Watershed

Appendix F: Scope of Work:  Modifying Delaware's Nutrient Budget Protocol for Use as an Offset Tracking Tool in the Chesapeake Bay Watershed

 Appendix G: 2017 & 2025 Agriculture Best Management Practice Implementation Levels

Appendix H: Nutrient Management Annual Report Form for the Choptank Watershed

Appendix I: Final University of Delaware Report - Socioeconomic Value of the Chesapeake Bay Watershed in Delaware

Phase I Input DecksWastewater Treatment Plant Input Deck / Nonpoint Source Best Management Practice Input Deck

An input deck is a spreadsheet formatted specifically for inclusion in the Chesapeake Bay Program Watershed model for analyzing future "what if" scenarios by the EPA. The spreadsheet contains information about the type and amount of best management practices that may be implemented, the associated units, the land uses or fish and wildlife the management practices apply to, and where these BMPs will be located.

Phase I WIP Public Comments and Responses
EPA Evaluation of Delaware's Final Phase I WIP

WIP-Related Information

2-Year Milestones Goals to help achieve the TMDL and WIP

ChesapeakeStat - view data and information on progress toward meeting Chesapeake goals! 

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