To help diagnose generalized anxiety disorder, your health provider may: 1  Do a physical exam to look for signs that your anxiety might be linked to an underlying medical condition. 2  Order blood or urine tests or other tests, if a medical condition is suspected.
Runoff that occurs on the ground surface before reaching a channel is also called a nonpoint source. If a nonpoint source contains man-made contaminants, or natural forms of pollution (such as rotting leaves) the runoff is called nonpoint source pollution.
â¢More impervious surfaces lead to less ground infiltration, more higher energy runoff. â¢Increased stream volumes and flow rates, flooding, more erosion. Pollutants in Stormwater Runoff. â¢Pollutants transported untreated to our waterways (nutrients, sediments, toxics, litter, debris, bacteria.