Issue 5
Major Threats to Water Quality
| Nutrients | Nitrates from sewage and fertilizers, phosphates from detergents and fertilizers |
| Sediment | From agricultural fields, construction and logging sites, urban areas, stripmined land, and eroded stream banks |
| Bacteria | Carried in inadequately treated sewage and from storm water drains, septic systems, livestock pen runoff, and sewage dumped from boats |
| Organic materials | From sewage, leaves, grass clippings, and runoff from livestock pens and pastures |
| Metals | From industrial discharges and in runoff from roads and urban streets, mining activities, and landfills |
| Pesticides and herbicides | From agricultural fields, lawns, termite control, and golf courses |
Back to Water Pressures Build in the Southeast
Southern Research Station Headquarters - Asheville, NC
![[Images] Five photos of different landscape [Images] Five photos of different landscape](/images/imstr1.jpg)



