Urban Runoff: Model Ordinances for Aquatic Buffers

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Aquatic Buffers serve as natural boundaries between local waterways and existing development.  The model and example ordinances below provide suggested language or technical guidance designed to create the most effective stream buffer zones possible.

• Aquatic Buffer Model Ordinance (pdf) (47.62 KB, September 2002)
• Language from Baltimore County (pdf) (97.29 KB)
  Includes specific language specifying the expansion of buffers for erodible soils and steep slopes.
• Rhode Island Coastal Zone Program (pdf) (46.94 KB)
  An example of a buffer ordinance in a coastal region.
• Napa California Ordinance on Riparian Habitat Areas (pdf) (21.75 KB)
  A buffer ordinance for a region with few native trees. This ordinance focuses on the preservation of other native vegetation.
• Portland Metro Floodplain Preservation Ordinance (pdf) (21.78 KB)
  Focuses on management of the floodway.
• Model Land Trust Agreement (Natural Lands Trust) (pdf) (41.28 KB)
  An example of a land trust agreement. Such documents are often needed to ensure the long-term integrity of the buffer.