White Marsh Environmental Systems, also known as WMES, operates more than 40 water and wastewater systems for manufactured home communities, housing subdivisions, stores and government buildings on a contractual basis. It offers consulting, stormwater management, well drilling and 24-hour emergency response services. The company also provides waste hauling and collection system diagnosis solutions. White Marsh Environmental Systems is a subsidiary of Tidewater Utilities, which supplies water on a retail basis for more than 410 residential communities in Delaware. Tidewater Utilities operates 24 hours a day, seven days a week. The company ensures compliance with the Delaware Health and Social Services Division of Public Health s standards. It also operates Tidewater Environmental Services, owns and operates several wastewater facilities. Tidewater Utilities is a part of Middlesex Water Company.