Colorado says Caribou Mine above Nederland is polluting water
State water quality officials have issued a cease and desist order and threatened substantial fines against owners of the Caribou gold mine above Nederland because of heavy metals leaking into drinking water sources, hammering Grand Island Resources over repeated violations. … [T]hey ordered the owners to build a new containment and cleanup system, and threatened to impose fines of up to $54,833 per day for each of multiple violations for the toxic metals and for failing to report test results.