Drainage Guides and Forms

The Detroit Water and Sewerage Department (DWSD) seeks to help customers reduce your drainage charge by verifying your parcel information, installing green infrastructure practices to receive a monthly credit, and/or participating in credit programs available to institutions.

The guides and forms listed below reference current available assistance. A credit calculator is also available to provide estimates for credits for stormwater management practices.

Drainage Program Guides:

• Section 1: A Guide to the Drainage Charge
• Section 2: A Guide to Drainage Charge Bill Adjustment
• Section 3: A Guide to Drainage Charge Credits
• Section 4: A Guide to Credits for Commonly Used Storm Water Management Practices
• Section 5: A Guide to Credit Application Process and Renewal

Forms:

• Request a Site Assessment
• Water and Sewer Application for Service
• Payment Plan Arrangements
• Drainage Charge Adjustment Application
• Drainage Charge Credit Application Attachment for Disconnected Impervious Surfaces
• Drainage Charge Credit Application
• Community Outreach and Service Credit Application

Credit Calculator:

A credit calculator is available to provide estimates for credits for stormwater management practices.