The following is general information pertaining to the specifics of the The Watershed Management Ordinance (WMO)

PDF Image  WMO (As amended on April 7, 2022) (6.86 MB)

PDF Document Icon Redline (As amended on April 7, 2022) (6.89 MB)


Frequently Asked Questions (FAQs)


WMO Permit Application Forms and Fees

Permit Flow Charts -- Under Revision, Currently Unavailable

Permit Checklists

Information Pamphlets for Developers and Homeowners

Authorized Municipalities and Multi-County Municipalities

Watershed Planning Areas

Detention and Volume Control Trading


The MWRD developed a Technical Guidance Manual (TGM), which will serve as a technical reference to the WMO. The TGM documents are accessible through the links below.

Technical Guidance Manual (TGM)

Appendix C. Standard Details & Notes (Updated October 2022)

WMO Design Calculators

WMO Model Templates