Table 4.

Summary of some major variables for the classified groups.

GrouppHECCaMgClSO4HCO3
G1 (10)27.2312310.252.716.7914.595.96
G2 (6)7.731025.906.447.0447.9026.06
G3 (23)47.331828.428.2117.7230.4312.69
G3-1 (15)7.326722.796.7112.9026.0214.95
G3-2 (6)7.339539.6510.2821.8240.608.93
G3-3 (2)7.247136.9013.3041.6032.707.00
G4 (8)7.935731.329.6811.2125.0812.31
G5 (3)6.4848104.5919.914.51384.5247.95
  • 1Units are mg l−1 unless otherwise noted. EC, electrical conductivity (μS cm−1).

  • 2Number of member wells.

  • 3Arithmetic mean.

  • 4Sum of G3 subgroups = (G3-1) + (G3-2) + (G3-3).