Rainways Engineer's/Planner's Tools

Rain that falls on our roofs, driveways and other hard surfaces can carry pollutants to our rivers and streams. During big storms, a large volume of rainwater can flood homes, cause sewer overflows, and erode hillsides and stream banks. There are some easy and economical ways that we can all help to reduce the volume of stormwater runoff from our properties with green infrastructure projects that are useful and attractive additions to our properties.

The Rainways Engineer's/Planner's Tools provide ways to explore and understand the efficacy of green infrastructure projects on stormwater runoff and combined sewer outfall reduction.

A 3RWW user account is required to use these tools. Don't have an account? Request one here.



Engineer/Planner Scenario Builder

The Engineer/Planner Scenario Builder is an advanced map-based scenario design and analysis tool that helps identify the efficacy of potential green infrastructure for user-designated project sites.

Enter the Engineer/Planner Scenario Builder →

Load Scenario Builder Projects →

The ability to load Scenario Builder projects is currently disabled.



Regulator Reports

Regulator Reports provide a summary of stormwater runoff and CSO performance for specific ALCOSAN regulators using regional hydrologic data and implemented green infrastructure projects in our database.

Create a Regulator Report →