New to CAST?

CAST is an environmental planning resource designed for those protecting and restoring local water quality and the Chesapeake Bay. Register to create and edit scenarios for reducing nitrogen, phosphorus, and sediment using various best management practices (BMPs), learn more about the additional ecosystem benefits (co-benefits) of those BMPs, gain access to additional tools and data, and receive CAST's monthly newsletter.

Register

CAST will be taken offline for updates on June 24th at 10:45 AM ET for approximately 4 hours. We apologize for the inconvenience.

Did you know about the Ecosystem Benefits Browser, an interactive tool that visualizes and summarizes the goals, outcomes, and co-benefits associated with CAST BMPs?

Ecosystem Benefits Browser

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

Monitoring

View maps and graphs of monitored water quality data.

Learn More

Mapping Tools

View geographical information and shapefiles.

Learn More

Costs

Download BMP costs data and view cost profiles for each state and Chesapeake Bay Watershed.

Learn More

Track Progress

View helpful information on verification, river trends, how to submit progress data via NEIEN, and modeling Federal facilities.

Track Progress

Ecosystem Benefits

Get information about the complementary benefits to BMP implementation.

Learn More