Site | Ca2+ (mg/L) | Mg2+ (mg/L) | K+ (mg/L) | Na+ (mg/L) | Total cations (mg/L) |
A | 40.1 (56) | 11.5 (16) | 9.1 (13) | 10.7 (15) | 71.3 |
B | 39.6 (59) | 9.1 (13) | 8.3 (12) | 10.6 (16) | 67.6 |
C | 39.3 (52) | 8.8 (12) | 16.7 (22) | 11.4 (15) | 76.2 |
D | 55.3 (66) | 5.0 (6) | 5.5 (7) | 18.5 (22) | 84.3 |
E | 45.9 (73) | 6.3 (10) | 4.4 (7) | 6.2 (10) | 62.7 |