Sciences

Science Behind-the-Scenes Tours

Covanta Company

Essex County Resource Recovery Facility: 183 Raymond Blvd., Newark, NJ 07105. 973-344-0900. Union County Resource Recovery Facility: 1499 Rte. 1 North, Rahway, NJ 07065. 732-499-0101. Offers programs about the energy-from-waste process and recycling at the facilities, which daily process more than 4,000 tons of solid waste, enough to power more than 30,000 homes and businesses. Free.

Passaic County Sewerage Commission

600 Wilson Ave., Newark, NJ 07105. 973-344-1800. Offers plant visits that explain waterway functions, safety and the harmful effects of pollution. Free.

Stony Brook Regional Sewerage Authority

Princeton Wastewater Treatment Plant, 290 River Rd., Princeton, NJ 08540; Pennington Wastewater Treatment Plant, 363 Pennington Rocky Hill Rd., Pennington, NJ 08534; Hopewell Wastewater Treatment Plant, 92 Aunt Molly Rd., Hopewell Township, NJ 08525. Mercer County. 609-924-8881, ext. 212. Offers programs explaining the treatment plant and process of what is actually occurring beneath the surface of the water and what happens at “the end of the pipe”. Free.