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Alternative Compliance

A key LID design principle is management of stormwater at the project site to effectively mimic pre-development hydrology. Post-construction stormwater controls requirements often reflect this principle by requiring that stormwater management for water quality be achieved within the defined project area. In some instances it may be unfeasible to meet post-construction requirements on-site and an “Alternative Compliance” option is to ensure compliance with LID and water quality regulations.

Two Support Documents have been created by LIDI to help municipalities develop their Alternative Compliance option:

Model Ordinance for Alternative Compliance

Developing a Fee-in-Lieu for Alternative Compliance

Additional Resources:

To develop the Alternative Compliance guidance and Model Ordinance located on this page, LIDI followed the excellent guidance provided by the Center for Watershed Protection (reference below). CWP’s guidance provided the framework for the Model Ordinance, which was modified to address issues identified by Pristel (CSU Monterey Bay).

Center for Watershed Protection, Inc.2012. West Virginia Stormwater Management and Design Guidance Manual. West Virginia Department of Environmental Protection and CWP, Charlottesville, VA. Pages 1-502. http://www.cwp.org/online-watershed-library/cat_view/64-manuals-and-plans/82-stormwater-management-manuals-plans-and-guidance

An Alternative Compliance Framework for Stormwater Management in the Central Coast Region. A thesis developed for LIDI by Violetta Pristel, CSU Monterey Bay that covers the legal, policy and technical Considerations for developing and implementing Alternative Compliance for Post-Construction Stormwater Control.

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