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Romeoville Prairie
GRAEF was retained to assess the causes of the degradation of Romeoville Prairie Nature Preserve, and to develop remediation alternatives. The assessment primarily focuses on the impacts to the Nature Preserve from surface water drainage. Arresting and reversing the encroachment of low-quality species into the high-quality wetland area was a key element of the project that required controlling surface water discharges to the Preserve. Design of additional surface water control structures required detailed knowledge of the amount of water and the pollutant load that the upland areas delivered to the Preserve.
The first phase of the project involved performance of a preliminary investigation for the site, with the goal of gathering, reviewing, and summarizing readily available background information for the prairie. Phase 2 of the assessment was a detailed investigation and analysis of the hydrology and hydrogeology of the Preserve. A detailed vegetation survey of the high quality wetlands within the north prairie area was performed.
Topographic and other land use data collected during Phase 1 were integrated with the hydrological and vegetative data collected during Phase 2 to create a comprehensive database for the Preserve, in GIS format. Currently, Phase 3 consisted of the preparation of plans and specifications for earthwork and surface water control structure repair. Phase 4 consists of hydrologic monitoring before, during and after implementation of the restoration efforts.
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LOCATIONWill County, IL |
FACTSServices Provided: Hydrological Assessment, Hydrologic Monitoring, Ecological Restoration, Planning and Research |
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