Erratum to: Mine Water Environ DOI 10.1007/s10230-014-0271-y

The authors would like to correct errors in the original publication as detailed below.

  1. 1.

    In the third paragraph of Introduction “97 % of China’s coal is produced by underground mining” should read as “90 % of China’s coal is produced by underground mining”.

  2. 2.

    The correct version of the Fig. 1 is given below.

    Fig. 1
    figure 1

    The distribution of water samples for 269 coal mines in China