Mr. O’Neill oversees legal matters for a wide variety of public entities and private sector clients. He represents both public and private entities, emphasizing water law, environmental law, and municipal law. Mr. O’Neill practice area includes water rights (surface and groundwater) water quality, and water supply issues. He regularly advises clients on alternative water supply issues, including the development and sale of recycled water. Mr. O’Neill also provides legislative and policy support, drafting proposed statutes and regulations concerning a wide range of issues, from water quality issues to rate setting.