Flood Protection Assessments

 

Current Assessments (2026)

 

Maintenance Assessment

This assessment is used to operate and maintain the entire flood protection system.  

In June 2024, the Conservancy Court voted 6-1 to increase the maintenance rate to 3.35%. The previous rate was 2.19%. Rates can be adjusted annually by the Board of Directors and are subject to approval by the Conservancy Court.

Capital Assessment
The Conservancy Court approved a capital spending authority in February 2024. The revenue from the capital assessment will be used to rehabilitate aging infrastructure. This replaces the Dam Safety Initiative Assessment, which paid for capital improvements from 1999-2022. The rate used to calculate the capital assessment is 1.0%. 


 

This page explains the methodology used to calculate current MCD flood protection assessments. It is not the methodology being developed for the Seventh Readjustment of Benefits.

MCD is updating the benefit appraisal methodology for future assessments. Learn about the Seventh Readjustment →

 

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Frequently Asked Questions