Table 4. Frequency of pollutants listed by section 303(d) of the Clean Water Act for catchments in networks 5, 8, and 9.
303(d) pollutant | Count |
Sedimentation/siltation | 192 |
Temperature | 96 |
Nutrients | 16 |
Sediment | 15 |
Organic enrichment/dissolved oxygen | 13 |
Others | 6 |
The counts of sediment/siltation and temperature are likely due to incompatible forestry.