Hydro-geochemical Investigation and Quality Assessment of Groundwater for Drinking and Agricultural Use in Jawaharlal Nehru University (JNU), New Delhi, India - Management of Natural Resources in a Changing Environment - page 11

Table 3 (continued)

TDS
(mg/l)

Ca 2+
(meq/l)

Mg 2+
(meq/l)

Na +
(meq/l)

K +
(meq/l)

HCO 3 −
(meq/l)

SO 4 2−
(meq/l)

Cl −
(meq/l)

F −
(meq/l)

PO 4 3−
(meq/l)

Sample
number Facies

Na + -Ca 2+ -Cl − (Pre-monsoon season) 2, 9

Minimum 785 3.73 0.61 7.80 0.04 4.19 0.50 5.78 0.02 0.00

Maximum 1,002 5.58 1.08 12.23 0.17 6.88 1.41 13.03 0.02 0.01

Average 894 4.66 0.85 10.02 0.11 5.53 0.96 9.40 0.02 0.01

% content 29.79 5.45 64.05 0.71 34.76 6.04 59.02 0.15 0.03

Na + -Ca 2+ -Cl − (Post-monsoon season) 2, 9

Minimum 737 4.36 1.02 8.24 0.02 3.99 0.59 5.52 0.03 0.00

Maximum 965 4.66 1.08 10.86 0.15 6.16 1.27 12.73 0.03 0.01

Average 851 4.51 1.05 9.55 0.08 5.08 0.93 9.12 0.03 0.01

% content 29.69 6.92 62.81 0.58 33.47 6.17 60.11 0.24 0.01