Stormwater runoff was once considered a problematic byproduct of development to be conveyed away quickly and kept away.  While this approach was a vast improvement over the days of no storm water control; it led to downstream flooding, increased opposition to development, de-graded stream corridors, and lawsuits against developers.  There is a better way.

At Mackie Consultants, LLC, we recognize stormwater as a resource, not just a problem to be fixed.  By identifying the drainage patterns, environmental features and regulatory needs of each site early in the process, we are able to assist clients in planning sites that best fit the natural environment while meeting the goals of the project.  This approach saves money in the design, permitting and construction phases and results in more effective preservation and enhancement of neighboring streams. You don’t need to look far around you to see examples of designs that have been “forced fit” into development plans that were prepared without consideration of the regional water resources.

Development Stormwater Management Services:

• Stormwater Detention Design and Planning
• Depressional Storage Computations
• Hydrologic Design for Wetland Preservation / Restoration
• Open Channel and Storm Sewer Stormwater Conveyance
• Dam and Reservoir Design and Permitting
• Drainage Investigations and Improvement Studies
• Watershed Management Planning
• Water Resource Planning

Floodplain Management Services:

• Base Flood Elevation Determination and Flood Studies
• Compensatory Storage Design
• IDNR Floodway Permitting
• FEMA Letters of Map Change (LOMR, LOMA)
• Culvert / Bridge Hydraulic Studies
• Flood Mitigation Studies
• Hydrologic and Hydraulic Modeling

Stormwater Best Management Practices:

• Naturalized Stormwater Detention and Retention Designs
• Biological Infiltration Designs (Rain Gardens, Bioswales, Constructed Wetlands, etc)
• NPDES Permitting and Design
• Stream Corridor Restorations
• Low Impact Site Design and LEED Design Methods
• Innovative Water Re-Use Solutions