Newmark represents public and private entity clients in litigation and compliance matters regarding water quality, water rights, water rates, environmental contamination, inverse condemnation and brownfields. Newmark has extensive litigation experience, including complex multiparty disputes. He represents clients in a broad array of environmental and land use matters, often serving as counsel in administrative permitting and enforcement proceedings before the California State Water Resources Control Board and the California Regional Water Quality Control Board. Newmark litigates administrative appeals and civil actions on behalf of waste discharge and National Pollutant Discharge Elimination System permittees. He has handled numerous cases involving groundwater contamination issues. Previously, Newmark served as a deputy attorney general for the California Department of Justice. In that role, he represented natural resources agencies (e.g., the State Water Resources Control Board, the Department of Forestry and Fire Protection, the Department of Water Resources and the Department of Fish and Wildlife) in trial court and appellate litigation regarding air and water pollution, inverse condemnation, CEQA, exotic species and endangered species and fire suppression cost recovery.

Heger has deep experience in a wide variety of complex environmental compliance matters, including more than two decades of involvement in environmental permitting for industrial and infrastructure projects, emissions trading programs, and counseling energy, manufacturing, recreation, food and beverage and municipal clients. This equips her to strategically and comprehensively tackle the numerous challenges clients face complying in California with federal, state and local laws regulating air quality, greenhouse gas emissions, water quality, hazardous waste and materials management and disposal, chemicals regulations, and remediation and right-to-know requirements, including California's Safe Drinking Water and Toxic Enforcement Act (Proposition 65). Heger's experience also includes compliance counseling and complex litigation, administrative petitions and appeals, defense in enforcement, procurement of permits and abandonment and closure of hazardous material structures. She advises and defends clients in crisis or emergency situations involving accidents, spills, releases or other scenarios such as safely closing or abandoning pipelines and underground storage tanks. Heger counsels clients on health, safety and emergency management plans, as well as litigating claims of property damage, toxic torts and environmental citizen suits. She also assists in conducting compliance audits and due diligence associated with mergers, acquisitions and financing.