envirochem corp.

865 SOUTH STATE ROAD 421

The approximately 6-acre Envirochem Corporation site is located on the east side of U.S. Highway 421, west of Northside Sanitary Landfill, and north of Zionsville in Boone County, Indiana. The site is an inactive facility that processed and reclaimed solvents from 1977 until 1982, when the State closed the site. Wastes such as resins, paint sludges, waste oils, and flammable solvents were received in drums and bulk tankers and were stored onsite in drums and storage tanks. On-site accumulation and unauthorized discharge of contaminated storm water, poor management of drum inventory, unapproved burning of chlorinated hydrocarbons and other solvents, and several spills led the State and the United States Environmental Protection Agency to investigate the site. Over 20,000 drums and 400,000 gallons of waste remained onsite. Additionally, contaminated underground and aboveground storage tanks and wastewater in holding ponds were present. Approximately 50 people live within one mile of the site. A rainstorm caused a waste pond to overflow into an unnamed ditch onsite and then to Finley Creek. In 1985, the State noted that runoff from the site enters the Eagle Creek Reservoir via Finley Creek. The city of Indianapolis uses the Eagle Creek Reservoir for part of its drinking water supply.

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