Maris’ practice focuses on water and wastewater utility service interests – including certificates of convenience and necessity, water rights, water supply and water quality. She assists municipalities, utilities, landowners, and water districts and authorities with permitting, compliance, and enforcement before state agencies including the Texas Commission on Environmental Quality, the Public Utility Commission, and the State Office of Administrative Hearings. She also provides general counsel services to water districts, water and wastewater utilities, and other political subdivisions.