Record of Decision System (RODS)
|Site Name:||PAGEL'S PIT|
|Address:||BAXTER & LINDENWOOD RD|
|City & State:||ROCKFORD IL 61109|
|NPL Status:||Currently on the Final NPL|
|ROD Type:||Record of Decision|
IEPA APPROVED SANITARY LANDFILL WITH AN ASPHALT LINER, LEACHATE COLLECTION SYSTEM, & VACCUMED METHANE GAS COLLECTION SYSTEM. IEPA APPROVED SANITARY LANDFILL WITH AN ASPHALT LINER, LEACHATE COLLECTION SYSTEM, & VACCUMED METHANE GAS COLLECTION SYSTEM.IEPA APPROVED SANITARY LANDFILL WITH AN ASPHALT LINER, LEACHATE COLLECTION SYSTEM, & VACCUMED METHANE GAS COLLECTION SYSTEM.
The Pagel's Pit site occupies about 100 acres on the west side of Lindenwood Road, south of Baxter Road and about 5 miles south of Rockford, Illinois. This solid waste landfill has been in operation since 1972 and has approximately 1 to 2 years of operation time left before it reaches maximum capacity. Municipal refuse and sewage treatment plant sludge have been the primary wastes accepted at the site. State special wastes have also been disposed of at the facility.
The site is located in a predominantly rural unincorporated area. It is bounded on the west by Killbuck Creek and on the east by Lindenwood Road. Killbuck Creek, a perennial stream, merges with the Kishwaukee River about 2.5 miles northwest of the site. The Kishwaukee River merges with the Rock River about 1.5 miles northwest of the confluence of Killbuck Creek and the Kishwaukee River. The site is located on a topographic high between Killbuck Creek to the west and unnamed intermittent streams to the north and south. Land use around the site is a mix of agricultural, rural residential, commercial and industrial. A new waste disposal unit is being developed to the south of the site.
The landfill is located at a former sand and gravel quarry. It has been sequentially constructed and filled in several sections. Development has generally occurred in an east to west direction, first in the southern half and then in the northern half. The landfill wastes cover approximately 42.5 acres. The landfill liner was constructed by grading and compacting the base and side walls of the landfill. Asphaltic concrete was installed over the sides and floor and compacted, resulting in a minimum two-inch thick layer. The surface asphalt was sealed with a cationic coal tar sealer. This sealed asphalt liner was covered with eight inches of sand. A network of perforated pipes was installed in the sand on the sloping base. The pipes were connected to manholes where liquid that drains from the wastes (leachate) was collected. However, most of this original leachate collection system no longer functions. Presently, in the western end of the landfill leachate is pumped from the bottom of the landfill gas extraction wells to a tank located next to the landfill. From there, it is pumped through a force main to a sewer connected to the wastewater treatment plant in Rockford. Landfill gas is collected and is primarily used to dry sludge from the Rockford wastewater treatment plant before the sludge is placed in the landfill. This system has been developed over the years, since the discovery in about 1980 that landfill gas was leaking from the waste disposal area.
The site was added to the National Priorities List (NPL) in June 1986. The USEPA and a few of the potentially responsible parties (PRPs) for this site reached an agreement embodied in an Administrative Order by Consent, with an effective date of October 1986. This Order requires the Respondents to conduct a remedial investigation and feasibility study at the site. A Consent Decree, entered in February 1993, requires several of the PRPs to perform remedial design, remedial action and operation and maintenance for the remedy selected in the 1991 Record of Decision (ROD).
The Acme Solvent Reclaiming, Inc. site (Acme Solvent site), an NPL site, is located east of the Pagel's Pit site. Part of the remediation of this site has resulted in the installation of a pump-and-treat system approximately half-way between the two sites. The treated water is discharged into the intermittent stream that lies north of the Pagel's Pit site, but generally the water infiltrates the ground before it reaches Killbuck Creek.
A ROD for Operable Unit 2 was signed September 1999. This ROD included changes to the remedy selected for the groundwater portion of OU1.
Institutional controls on southeast corner groundwater (OU 2). Monitored natural attenuation for the groundwater west of the waste disposal area, plus a contingent groundwater remedy, and institutional controls here (change for OU1) Institutional controls consisting of deed restrictions prohibiting the installation of water production wells has been selected as the remedy for groundwater in the southeast corner, otherwise known as Operable Unit 2 (OU2). The contamination here will be addressed as this contamination becomes part of the groundwater associated with the rest of the site. This remedy requires continued monitoring of the groundwater in the southeast corner.
Monitored natural attenuation has been selected for the remedy change for the groundwater of OU1. The monitored natural attenuation replaces the barrier well system, which is the groundwater extraction along the west side of the site and treatment for disposal of this water, which was selected by the 1991 Record of Decision (ROD). The monitored natural attenuation remedy includes the imposition of deed restrictions on the property west of Killbuck Creek under which the groundwater is contaminated at levels which make it unsafe for use as a source of drinking water, the requirement for the monitoring well network to the west fully define the extent of the plume of contamination, and the inclusion of a contingent remedy in case the groundwater contamination does not appear to be decreasing or begins to threaten properties further to the west. The deed restrictions will be to prevent the use of the groundwater as a drinking water supply on property to the west where the groundwater is contaminated at unacceptable levels.
Estimated Capital Cost: Not Provided
Estimated Annual O&M Costs: Not Provided
Estimated Present Worth Costs: Not Provided
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