According to our records, this business is located at Hay Rd & E 12th St. in Wilmington (in New Castle County), Delaware 19809, the location GPS coordinates are: 38.3152661 (latitude), -121.8694082 (longitude). Wilmington Wastewater Plant is categorized under State Government Offices (SIC code 9121). You can contact the company by phone at (302) 764-6610.