How Natural Vegetation Creates Stream Buffers to Protect Waterbodies from Stormwater Pollution (and how you can help build one!)

What is a stream buffer?Image result for riparian buffer

Stream (also called riparian) buffers are strips of trees and other vegetation that:

  • improve water quality by filtering pollutants from stormwater runoff such as oil, fertilizers, pesticides, and dog waste;
  • reduce flooding and erosion by stabilizing stream banks;
  • moderate stream temperature and sunlight, keeping fish and other aquatic life healthy;
  • provide nesting and foraging habitat for many species of birds and animals.

You can help stream buffers purify our water by planting native trees and bushes along your stream or ditch, especially if the bank is bare or eroding. If you already have trees or shrubs along your waterway, simply leave it alone!

Mowing, cutting, and removing buffer vegetation may be regulated in your area, so check with your local government before undertaking landscaping or other projects within 100 feet of any water conveyances. (Selective cutting of understory shrubs and scrub by hand is usually allowed in very small amounts, but it is better to let the vegetation continue its natural regeneration process, which will allow trees to mature, form a canopy, and prevent undergrowth naturally.) Continue reading