Flood Resilience, NEPA Wetland and Species Compliance – Coralville Extreme Flood Protection

City of Coralville, IA 2008 Flood

City of Coralville, IA

Challenge

Catastrophic flooding of 2008 required the City of Coralville to rebuild commercial districts while building resilience against future flood events. Federal, State, CDBG, and EDA funding requirements tied to the NEPA process, along with the presence of jurisdictional wetlands, protected mussels, and protected bat habitat required thorough review, planning and alternatives management and mitigation design to meet multiple overlapping requirements.

Solution

Decades of experience facilitating projects and environmental permitting across the Midwest gives our professional staff at Impact7G the background and insight on regulatory implications and process to keep projects moving. Our range of NEPA experience includes an emphasis on Section 404 of the Clean Water Act, Section 10 of the Rivers and Harbors Appropriation Act, and Section 7 of the Endangered Species Act. From field surveys and data collection through regulatory compliance, Impact7G provides wholistic professional and technical expertise. We approach the NEPA process early enough to facilitate timely approvals while making sure information is clear, concise, and complete.

Impact7G was instrumental in bringing the City’s needs and design together with regulatory interests and funding requirements such that an effective and resilient flood management system was completed and environmentally compliant. Through Impact7G’s wetland permitting, mitigation design, and construction oversight services, compensatory mitigation became an amenity to the City’s parks and trail system while meeting regulatory obligations and facilitating flood resilience measures.

Project Outcomes

  • Successful and timely Section 404 and Section 7 NEPA compliance.
  • Design, construction, and establishment of public-accessible wetland mitigation.
City of Coralville, IA - Wetland Mitigation

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