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Environmental Services

CSRS offers a full range of environmental services, including analysis, planning, permitting, Compliance, site investigation risk assessment, and remedial design. The application of our technical knowledge allows us to lead our clients through the complicated web of regulatory compliance requirements with the collective goal of building stronger, smarter, resilient communities. In partnership with public and private clients, we develop and deliver project services that reduce risk, manage liability, and restore property to increase economic value and offer market advantages to our clients.
Our team’s resume of experienced professional geologists, environmental engineers, natural resource specialists, floodplain managers, NEPA specialists, GIS specialists, and permitting experts include over 100+ years of environmental and governmental service. Our extensive experience enables us to negotiate through complex bureaucracies that expeditiously clear the pathway to sustainable construction or restoration of property to commercial productivity.

Natural Resources and Ecological Services: 

National Environmental Policy Act (NEPA), National Historic Preservation Act (NHPA), Wetland Delineations & Jurisdictional Determinations, U.S. Army Corp of Engineers (USACE) Permitting (Sections 10, 401, 404, and 408) & Louisiana Department of Natural Resources (LDNR) Coastal Use Permitting, Housing Urban Development (HUD) Environmental Review Records (ERR), and U.S. Fish & Wildlife (USFW)/Louisiana Department of Wildlife & Fisheries (LDWF) Threatened & Endangered (T&E) Species Surveys.


Site Evaluation Services: 

Environmental Due Diligence and Environmental Site Assessments, Remedial Investigations, Remedial Action evaluation and Corrective Action design, RECAP Risk Assessments and Soil Reuse evaluations, hydrogeology, Brownfield redevelopment, asbestos and lead-based paint surveys, Hazardous Waste Characterization and Management, Louisiana Department of Environmental Quality (LDEQ) and U.S. Environmental Protection Agency (EPA) Consulting, and Environmental Litigation Support.


Permitting and Compliance: 

Multi-Media Permitting, Title V Air permitting consulting, Louisiana Pollutant Discharge Elimination System (LPDES) Permitting & Compliance Support, Storm Water Pollution Prevention Plan (SWPPP), Spill Prevention Controls, and Countermeasure (SPCC) plan development and field monitoring, RCRA Solid & Hazardous Waste Permitting & Compliance, and Facility Siting.

Related Markets & Services
Due Diligence
GIS Mapping and Drone Services
NEPA Compliance
Permit Matrix Development
Regulatory Compliance
Wetland and Coastal Permitting

Featured Work

Learn more about how we've helped others realize their vision.


“CSRS has displayed professionalism and dedication. They were easy to contact and ready to work with us when workloads dictated a change in staffing or support levels. The individuals assigned to us always appeared knowledgable and genuinely engaged on behalf of the program.”


Jamie M. Miller, Executive Director, Mississippi Department of Marine Resources

Partner with Us

Let our team of trusted advisors and facilitators help you achieve your goals today and well into the future.

Steve Chustz
Steve Chustz

After nearly 30 years of environmental management and advisory experience within state government, including serving as the Secretary of the Department of Natural Resources, Mr. Chustz entered the private sector as an environmental consultant. He provides program management and executive-level expertise on all matters related to natural resource development and oversight. His experience in leading development and implementation of habitat restoration and access projects offers clients a wealth of knowledge and expertise to clients in need of environmental resource solutions.

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