National Water-Quality Assessment (NAWQA) Program
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Transport and Fate of Nitrate in a Glacial Outwash Aquifer in Relation to Ground-Water Age, Land Use Practices and Redox Processes
By Larry J. Puckett and Timothy K. Cowdery
[Journal of Environmental Quality, vol. 31, no. 3, p. 782-796 ]Table 4. Median concentrations of major-ions in samples collected during 1994, 1995, and 1997. [All concentrations are mmol L-1 with the exception of pH which is in standard units; organic nitrogen (Org-N) is reported as NH4+.]
Site |
T °C |
pH |
O2 |
HCO3- |
Ca2+ |
Mg2+ |
Na+ |
K+ |
Fe2+ |
Mn2+ |
Cl- |
SO42- |
PO43- |
NO3- |
NH4+ |
Org-N |
DOC |
OF1S |
11.8 |
7.16 |
9.4 |
5343 |
2495 |
1172 |
100.1 |
35.8 |
0.1 |
0.4 |
479.6 |
249.8 |
0.6 |
928.3 |
0.7 |
6.4 |
149.9 |
OF
1A |
8.8 |
7.43 |
43.8 |
4796 |
2196 |
946.0 |
87.0 |
38.4 |
0.0 |
0.0 |
423.2 |
333.1 |
0.6 |
628.4 |
0.6 |
6.5 |
91.6 |
OF1B |
9.0 |
7.36 |
17.2 |
4605 |
2221 |
946.0 |
82.7 |
40.9 |
0.0 |
1.5 |
371.0 |
327.9 |
0.6 |
609.9 |
1.0 |
6.0 |
108.2 |
OF1C |
10.2 |
7.22 |
2.3 |
5446 |
1946 |
863.7 |
139.2 |
40.9 |
50.7 |
11.3 |
162.2 |
84.3 |
1.3 |
1.8 |
20.5 |
4.2 |
199.8 |
OF1D |
9.4 |
7.55 |
3.1 |
6058 |
1971 |
863.7 |
200.1 |
42.2 |
79.7 |
3.7 |
45.1 |
10.4 |
5.1 |
1.8 |
45.7 |
7.9 |
262.3 |
OF2S |
10.2 |
7.43 |
112.5 |
4736 |
2021 |
863.7 |
82.7 |
30.7 |
1.1 |
0.0 |
338.5 |
291.5 |
0.2 |
292.8 |
0.7 |
6.4 |
91.6 |
OF2D |
10.4 |
7.55 |
0.2 |
6316 |
2033 |
843.2 |
71.8 |
33.2 |
44.8 |
3.8 |
141.1 |
197.8 |
0.6 |
3.6 |
9.3 |
12.1 |
183.2 |
OF3S |
10.5 |
7.05 |
140.6 |
2016 |
1372 |
575.8 |
89.2 |
43.5 |
0.3 |
0.0 |
203.1 |
177.0 |
3.2 |
1285 |
1.4 |
5.7 |
116.6 |
OF3M |
9.4 |
7.24 |
1.6 |
5849 |
2495 |
1111 |
78.3 |
40.9 |
73.4 |
6.7 |
592.4 |
374.8 |
0.3 |
1.8 |
12.2 |
5.3 |
233.1 |
OF3D |
9.2 |
7.36 |
2.3 |
5960 |
2246 |
987.1 |
82.7 |
40.9 |
64.5 |
4.7 |
366.7 |
177.0 |
0.2 |
1.8 |
24.7 |
7.4 |
258.1 |
OF4S |
9.5 |
7.37 |
5.5 |
4848 |
2869 |
1357 |
506.8 |
89.5 |
0.2 |
0.5 |
1664 |
983.7 |
1.4 |
340.1 |
1.0 |
13.3 |
166.5 |
OF5S |
8.9 |
7.23 |
192.2 |
5892 |
2071 |
1064 |
169.7 |
168.8 |
0.7 |
0.0 |
204.5 |
89.5 |
0.2 |
167.8 |
1.0 |
15.4 |
233.1 |
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