From: Spring waters as an indicator of nitrate and pesticide pollution of rural watercourses from nonpoint sources: results of repeated monitoring campaigns since the early 2000s in the low mountain landscape of Saarland, Germany
Sample ID
Below ground [m]
Nitrate [mg/L)
% of spring concentration
ba_0
0
59.8
ba_1.4
1.4
1.7
3
ba_2
2
12.9
22
bb_0
47.5
bb_1.2
1.2
2.0
4
bb_1.9
1.9
9.8
20