About Us

D‑Max Engineering, Inc. is a San Diego-based environmental consulting firm specializing in storm water services, particularly for governmental agencies.  Our multidisciplinary team includes environmental scientists, engineers, chemists, and biologists who are experienced with the National Pollutant Discharge Elimination System (NPDES) permit requirements in Southern California.  Since 1996, when the company was founded, we have completed numerous storm water projects for 18 municipalities in San Diego, Orange, Imperial, and Riverside Counties, developing a reputation for practical solutions, cost-effectiveness, responsiveness, and flexibility.  D-Max is recognized across the region for our expertise in jurisdictional storm water program development and reporting, water quality monitoring, Industrial General Permit compliance assistance, development and construction services, and inspections of businesses, municipal facilities, construction sites, and treatment control BMPs. Our experience has provided us with a comprehensive understanding of complex, countywide water quality issues issues and the ability to effectively address them.

D-Max adapts to our clients’ needs and provides a level of quality service that sets us apart. Our diverse team of professionals, central location, and familiarity with the region allows us to provide clients with a wide variety of services at affordable rates. We are a state-certified small business enterprise (SBE).

More information about our staff is provided below.

Arsalan Dadkhah, Ph.D., P.E., QSD/P

Dr. Arsalan Dadkhah has more than 30 years of Civil Engineering experience with an emphasis in water quality, hydraulics, and hydrology.

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Manouchehr Dadkhah, Ph.D.

Dr. Manouchehr Dadkhah is a Senior Environmental Scientist with more than 25 years of experience in environmental sampling, hydrology, erosion control, and watershed management.

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John Quenzer, M.S., CPSWQ, QSD/P

John Quenzer is a Senior Scientist who has been involved in a variety of water quality projects throughout the San Diego region.

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Tad Nakatani, M.S., CPSWQ, QSD/QSP

Tad Nakatani is a Project Scientist and manages a variety of water quality projects in San Diego and Riverside Counties. His current projects focus primarily on construction and development planning compliance.

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Annika Kubischta, CPSWQ, QISP, ToR

Annika Kubischta is a Project Scientist and manages a variety of water quality projects in Southern California. Her recent projects include Industrial General Permit compliance group leadership, the preparation of Storm Water Pollution Prevention Plans, Jurisdictional Runoff Management Program updates, and coordinating industrial and commercial storm water compliance inspection programs.

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Jamie Richards, M.S., CPSWQ

Jamie Richards is a Project Scientist and manages a variety of storm water compliance programs.

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Brianna Martin, CPSWQ, QISP, ToR

Brianna Martin is an Assistant Project Scientist and provides support for a varitey of storm water compliance programs. Her recent projects have included preparing Storm Water Pollution Prevention Plans for statewide Industrial General Permit compliance and Storm Water Managemnet Plans for municipalities in San Diego and Imperial Counties; and assisting with Jurisdictional Runoff Management Program document revisions for many San Diego jurisdictions.

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John Draminski, E.I.T.

John Draminski is an Assistant Project Engineer experienced in conducting technical reviews of development project submittals, including analyses of proposed hydrology calculations, pollutants and conditions of concern, low impact development design, source control BMPs, and treatment control BMPs. He has reviewed construction Storm Water Pollution Prevention Plans. John is also experienced in performing dry and wet weather monitoring and conducting industrial/commercial, and construction site storm water compliance inspections.

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Alyssa Blackmon, CPSWQ

Alyssa Blackmon is a Staff Scientist experienced in performing dry and wet weather monitoring and conducting industrial and commercial storm water compliance inspections, treatment control BMP inspections, and Fats, Oils, and Grease (FOG) inspections. She has also assisted in the preparation of Storm Water Management Plans for municipalities covered under the statewide Phase II Permit. […]

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Teresa Bhardwaj, M.S.

Teresa Bhardwaj is a Staff Scientist experienced in performing dry and wet weather monitoring and conducting industrial/commercial, municipal. She has also assisted in the preparation of Water Quality Improvement Project (WQIP) and Jurisdictional Runoff Management Program (JRMP) documents.

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Jeanne BenVau, M.S.

Jeanne BenVau is a Staff Scientist experienced in performing wet weather monitoring, and conducting industrial/commercial and municipal storm water compliance inspections. She has also assisted in the preparation of Water Quality Improvement Project (WQIP) documents.

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Kathy Adami

Kathy Adami is a Staff Scientist experienced in performing wet weather monitoring, and conducting fats, oil, and grease (FOG), and industrial/commercial and municipal storm water compliance inspections.

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Jaclyn Lopez

Jackie is the administrative assistant, providing data entry and office management support to staff.

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