Nitrate concentrations are highest in shallow ground water in agricultural areas
This graph shows:
on the y–axis: Median nitrate concentration, in milligrams per litter as nitrogen.
on the x–axis: Nitrate concentrations.
| Land Use | Streams | Ground Water |
|---|---|---|
| Undeveloped | 0.3 | 0.1 |
| Agriculture | 1 | 3.5 |
| Urban | 0.7 | 1.3 |
Note, the numbers are estimates based on visual study of the line graphs.