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Useful Web Sites on Total Maximum Daily Loads (TMDLs)

General TMDL Information

Chesapeake Bay Web Links

Water Quality Information

Other Regional States' TMDL Pages

Other Maryland State Agencies

Watershed Planning

User's Guide to Watershed Planning

Contact Information

Please direct questions or comments concerning Maryland's TMDL Program to [email protected] or call (410) 537-3884.

Last updated 5/2026

Link to For additional information about how climate change will affect Maryland’s waters