Ammonia and phosphorus concentrations are highest down stream from urban areas
This graph shows:
on the y–axis: Median concentration, in milligrams per litter as nitrogen or phosphorus.
on the x–axis: shows types of land use
| Land Use | Ammonia | Total Phosphorus |
|---|---|---|
| Undeveloped | 0.02 | 0.03 |
| Agriculture | 0.08 | 0.15 |
| Urban | 0.28 | 0.22 |
Note, the numbers are estimates based on visual study of the line graphs.