perpetual care
phrasePronunciation: /pərˈpɛtʃuəl kɛr/
Ongoing maintenance and monitoring obligations that continue indefinitely after mine closure and reclamation completion.
Full Definition
Perpetual care refers to the long-term stewardship responsibilities that extend beyond the active reclamation period, ensuring that environmental protection measures, particularly water treatment systems and monitoring programs, continue to function effectively in perpetuity. This concept recognizes that some mining impacts, especially acid mine drainage and groundwater contamination, may persist for decades or centuries, requiring ongoing intervention and financial resources. Perpetual care obligations typically include water treatment system operation, environmental monitoring, infrastructure maintenance, and adaptive management responses to changing conditions. The funding and institutional arrangements for perpetual care represent critical challenges in mine closure planning.
Plain English
Taking care of an old mine site forever, including treating polluted water and checking for problems long after mining companies are done working there.
In Editorial Context
A complex policy and financial issue requiring clear explanation of long-term commitments, funding mechanisms, and institutional responsibilities in mine closure planning documents.
Etymology & History
Concept developed as environmental regulations recognized that some mining impacts require indefinite management beyond traditional reclamation periods.
Initially applied to radioactive waste management, expanded to conventional mining as long-term pollution issues became apparent.
Usage
"The mine closure plan includes establishment of a $50 million perpetual care trust fund to ensure long-term water treatment system operation."
Usage note: Implies indefinite duration; distinguish from 'long-term care' which may have defined endpoints.
Context: mine closure planning, environmental liability, regulatory compliance, financial assurance
Region: international
Also known as
Contrasted with
Don't confuse with
Long-term monitoring may have defined endpoints while perpetual care continues indefinitely