Welcome, TerraSite Design, to the Interstate Engineering Team!

Environmental & Wetlands Engineering

Environmental Complexity To Practical Solutions.

Rural construction site with equipment in the foreground
New culvert surrounded by rock with construction vehicles parked nearby

At Interstate Engineering, our Environmental and Wetlands Engineering team transforms potential environmental liabilities into strategic project assets. We deliver cost-effective, regulation-compliant, and environmentally responsible solutions for developers, landowners, and public agencies. Our team includes seasoned ecologists, hydrologists, and environmental specialists who understand the ecological conditions and complex regulations that shape project success.

We offer comprehensive wetland services: from initial site assessments and delineations to final mitigation and reporting. Our deep understanding of local, state, and federal wetland regulations, including U.S. Army Corps of Engineers jurisdictional determinations and Clean Water Act 404 permitting, allows us to guide clients through even the most complex environmental challenges.

Whether you’re managing a public infrastructure project or a private development, we simplify the process and help you make confident, informed decisions without sacrificing your timeline or your vision.

Environmental Compliance Doesn’t Have To Be a Roadblock.

Let’s protect natural resources and move your project forward together.

Services

Wetlands Solutions

From delineations to permitting, our team helps you understand, document, and navigate wetlands so your project stays compliant and moves forward responsibly.

Mitigation Banking

We help landowners and developers leverage mitigation banking as a strategic way to offset impacts while contributing to ecosystem restoration. This approach streamlines project approvals and supports long-term ecological health.

Mitigation Consulting

Our consultants provide clarity and direction for projects requiring compensatory mitigation. We guide you through every step. From planning and permitting to monitoring and reporting, your project remains compliant and on track.

Navigating Regulations

Whether local, state, or federal, we help clients navigate regulatory systems efficiently. With deep experience in permitting and compliance, we minimize risk while keeping your project moving forward.

Environmental Permitting

From wetland impact permits to Section 404 applications, we handle the permitting process from start to finish, meeting requirements with minimal delays.

Hear From Our Team

3 Steps to Responsible Development

1

Evaluate The Site

We begin with a detailed assessment of your land, reviewing ecological conditions, jurisdictional status, and potential regulatory triggers.

2

Guide the Planning

Our team offers expert insight to align wetland regulations, minimizing delays and environmental impact.

3

Deliver Compliance

We manage permits, prepare documentation, and offer support through final mitigation, ensuring you meet every requirement, every time.

Featured Projects