Chesapeake Assessment Scenario Tool
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New to CAST?
Rapidly develop scenarios for reducing nitrogen, phosphorus, and sediment with varying best management practices to streamline environmental planning.
Register for increased functionality and to stay updated.
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Where To Start
Updates will be deployed to CAST Thursday, Oct. 17, 2019 at 9:30 AM EST.
We will do our best to minimize the amount of time that CAST is unavailable.
RESOURCES
Develop A Plan
Get answers to your questions about how to use CAST to develop a plan.
Develop A Plan
Source Data
Download data tables including information on load sources and agencies, BMPs, animals, geographic references and delivery factors.
View Source Data
BMPs
View information on best management practices (BMPs) including calculations, a quick reference guide, and protocol and expert panel reports.
Learn More
Map Tools & Spatial Data
View geographical information and shapefiles.
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Costs
Download BMP costs data and view cost profiles for each state and Chesapeake Bay Watershed.
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Track TMDL Progress
View helpful information on verification, river trends, how to submit progress data via NEIEN, and modeling Federal facilities.
Track TMDL Progress