Chesapeake Stormwater Network
Chesapeake Stormwater Network
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Shoreline Management Fact Sheet
Shoreline Management Fact Sheet

Brand new fact sheet on shoreline management practices just released! You can also register for our June 14th webcast on our “Events” tab!

Check it out!
Stream FAQ Released
Stream FAQ Released

Learn more about what projects are eligible for TMDL reductions, and what’s changed in the Phase 6 Watershed Model!

Read More!
CAST How-To Guide
CAST How-To Guide

Learn how to run the Phase 6 Chesapeake Bay Model! This guide teaches you how CAST can help you answer questions about your community and plan implementation efforts.

Check it out!

Bay Restoration Practices

Everything you need to know about the practices that can help meet the Chesapeake Bay TMDL pollution reduction goals. BMP Expert Panel reports, archived webcasts and easy to read fact sheets all in one place!

MS4 Portal

Welcome to the MS4 Portal! The MS4 Portal is a way to share tools and resources to help MS4 permittees and their consultants meet their permit requirements and the objectives of the Bay TMDL. Not a...
The CSN Advantage:

The CSN Advantage:

The Chesapeake Stormwater Network helps align and integrate the efforts of thousands of individuals working on stormwater management across the Chesapeake Bay region and around the world. It’s FREE to join the network and become the first to be notified of newly developed technical resources, free training opportunities, statewide regulatory updates and Chesapeake Bay Program stormwater alerts.

Webcast Archives

Latest Webcasts from CSN:
Urban BMPS and the Bay TMDL Webcast
Urban BMPS and the Bay TMDL Webcast
An overview of the newest crediting approaches for urban stormwater!
Read More "Urban BMPS and the Bay TMDL Webcast"
Inspection Protocols for Maintaining and Verifying the Performance of LID Practices Webcast Inspection Protocols for Maintaining and Verifying the Performance of LID Practices Webcast
Inspection Protocols for Maintaining and Verifying the Performance of LID Practices Webcast
Join us for the last of winter MAWP webcast series!
Read More "Inspection Protocols for Maintaining and Verifying the Performance of LID Practices Webcast"
Environmental Site Design Criteria for the Maryland Critical Area Webcast Environmental Site Design Criteria for the Maryland Critical Area Webcast
Environmental Site Design Criteria for the Maryland Critical Area Webcast
Apply the new ESD guidelines for phosphorus reduction in stormwater runoff within the Maryland Critical Area in our upcoming FREE Webcast!
Read More "Environmental Site Design Criteria for the Maryland Critical Area Webcast"
The BUBBAs!

The BUBBAs!

The Best Urban BMP in the Bay Awards (BUBBA) is a one-of-a-kind contest that recognizes the best urban BMPs that have been installed in the Chesapeake Bay watershed. It’s a great opportunity to share our new techniques and accomplishments (and maybe win a little cash!) Check out past winners and start thinking about what projects you’ll submit for our 2019 Awards!

The Stormwater Scoop

Latest Newsletters from CSN:
Let’s Shore Things Up Let’s Shore Things Up
Let’s Shore Things Up
News and Notes from CSN for June 2018
Read More "Let’s Shore Things Up"
Trouble Stream-ing? Trouble Stream-ing?
Trouble Stream-ing?
News and Notes from CSN for May 2018
Read More "Trouble Stream-ing?"
Ellicott City Flood 2018 Ellicott City Flood 2018
Ellicott City Flood 2018
As many of you have likely heard by now, Ellicott City, MD...
Read More "Ellicott City Flood 2018"

The Chesapeake Stormwater Network advocates for reform of federal, state and local laws, permits, regulations and design manuals to promote more sustainable stormwater management in the Chesapeake Bay.