CAST PLANNING TOOLS

Logging in to CAST allows users to rapidly develop scenarios for reducing nitrogen, phosphorus and sediment with varying best management practices to streamline environmental planning. Costs are provided so users may select the most cost-effective practices to reduce pollutant loads.

Log In To Get Started



    Register    BayFast Log In   

ADDITIONAL RESOURCES

Frequently requested data and information associated with water quality monitoring and modeling.

Model Documentation

Find additional information about the Phase 6 model, its documentation and links to model review webinars and files.

Learn More

Transition to Phase 6

Get answers to your questions about the transition to the new Chesapeake Bay Partnership's Phase 6 Modeling tools.

Phase 6 FAQs

Source Data

Download data tables including information on load sources and agencies, BMPs, animals, geographic references and delivery factors.

View Source Data

Calibration Inputs

Find graphs and maps of inputs to the Phase 6 Watershed Model Calibration for all versions.

View Inputs

BMPs, Models & Geography

View additional information on BMPs, CBP Partnership Models, Shapefiles and Geographical Information.

Learn More

TMDL Tracking

Information on how to submit progress data via NEIEN and view implemenation data on meeting the Chesapeake Bay TMDL.

TMDL Tracking

Optimization

Resources to determine cost effectiveness of BMPs in units of dollars per pound reduced.

Learn More

River Trends

Scientists calculate flow-adjusted trends in nitrogen, phosphorus and sediment levels to better determine whether pollution has changed over time.

View Trends