Trusted Advisors | Global Experience for Hire

On the Side ofScience.

Environmental and engineering design services for natural and built water systems. We support water for Industry, People, and the Environment. Full process-mechanical system design for water and wastewater treatment plants and groundwater remediation efforts. Health physics and radiation safety services across all fields of the uranium fuel cycle, industrial X-ray safety, as well as medical imaging facilities.

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Litigation Support

Because YourExpert Matters.

Environmental scientists, toxicologists, and health physics experts prescreened to the Daubert Standard, supporting environmental damages claims, toxic torts, NOV responses, intake and dose reconstructions, and NORM/TENORM cases.

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Nuclear Services

Moving the WorldForward.

Technical support for new nuclear facilities and environmental stewardship — from licensing and pre-commissioning surveys to operational health physics and advocacy counsel support.

Nuclear Services Start a Conversation

Nuclear, Water, and Energy

Policy and Technical AdvocacyEngineering, Design, and Environmental ServicesWater RemediationWater TreatmentEnergy Efficiency EvaluationsWater StewardshipToxic TortsLitigation SupportExpert WitnessForensic Exposure InvestigationsPermittingLicensing SupportRadiation Protection & Safety ProgramsX-Ray SafetyRSO SupportIntake and Dose ReconstructionExposure Pathway Modeling

Established 2012

Our Story.

Established in 2012, Jesse Toepfer created Toepfer & Associates, PLLC to make a difference in the way people think about radiation, clean water, and energy consumption. Our mission is service par excellence — underpinned by hard work, dedication, and decades of global experience.

Veteran OwnedGlobal ReachDaubert Prescreened

Mission

"To make a difference in the way people think about radiation, clean water, and energy consumption."

We bring decades of field experience to every engagement — from courtrooms and regulatory hearings to construction sites and remediation projects. Whether you need a technical expert, a project manager, or an RSO, our lean and agile team is ready to respond.

Practice Areas

Policy and Litigation Support

Energy, water, and radiation policy support. Expert witness, toxic tort, dose reconstruction, NORM/TENORM, NOV response — prescreened to the Daubert Standard.

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Nuclear Services

Licensing, pre-commissioning surveys, operational health physics, and advocacy counsel support.

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Water for Industry

Process-mechanical engineering, environmental services, permitting, and water treatment design.

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Radiation Training

40-hour RSO courses, radiation technician training, DOT rad shipper certification, and on-site programs.