Environmental Investigation of the City of Two Rivers Landfills, Manitowoc County, Wisconsin

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Project Number:

DNR-024

Other Project Number:

WR85R002

Funding Year:

1985

Contract Period:

Funding Source:

DNR

Investigator(s) and affiliations:
Hydro-Search, Inc.
Abstract:

Executive Summary: This report contains the results of an environmental investigation at the City of Two Rivers’ North and South Landfills in Manitowoc County, Wisconsin. The main purposes of this investigation were to characterize the hydrogeologic setting and provide preliminary information on the extent of organic contamination.

The work conducted for this project included (1) drilling 17 boreholes, (2) installing and developing seven ground-water monitoring wells, and (3) screening soil and ground-water samples for organic vapors.

The findings indicate that the site is underlain by a low permeability silty, clayey till that is interbedded with sand units. Ground-water flow in the shallow interconnected sand units is west towards the East Twin River. Ground-water within the deep sand is confined by the overlying till and also flows west towards the river.

Organic vapors were detected during drilling and in soil and ground-water samples. Most detections of organic vapors occurred up and downgradient of the South Landfill.

Project Report: