Mine Dewatering
nounPronunciation: /maɪn diːˈwɔːtərɪŋ/
The removal of accumulated groundwater and surface water from abandoned mine workings, including underground voids, quarries, and pit lakes, to facilitate access, prevent overflow, and allow reclamation activities. Dewatering requires management of discharged water quality to prevent environmental contamination.
Plain English
Pumping water out of flooded mines so the site can be reclaimed and managed.
Etymology & History
Usage
"Mine dewatering at the abandoned zinc operation required treatment of iron-rich discharge before release to comply with water quality standards."
Style guide notes: Specify dewatering rate (liters/minute) and duration when discussing operational parameters.
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Related Terms
Frequently Asked Questions
Why is mine dewatering necessary for reclamation?
It allows safe access to underground workings, prevents contamination from overflow, enables treatment and inspection, and facilitates remediation activities.
What happens to water removed during dewatering?
Discharged water must be treated to remove sediments and contaminants, then monitored for pH, metals, and dissolved solids before environmental release.
Why Test Candidates on This?
Critical for understanding operational and environmental aspects of mine closure and water management.
Required skill level: Mid