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What Is A Watershed?

Posted on October 20, 2011October 23, 2011 by Master Gardeners

A watershed is the area of land where all of the water that is under it or drains off of it goes into the same place. John Wesley Powell, scientist geographer, put it best when he said that a watershed is:

“that area of land, a bounded hydrologic system, within which all living things are inextricably linked by their common water course and where, as humans settled, simple logic demanded that they become part of a community.”

Watersheds come in all shapes and sizes. They cross county, state, and national boundaries. In the continental US, there are 2,110 watersheds; including Hawaii Alaska, and Puerto Rico, there are 2,267 watersheds.

Click here for a fact sheet on Watersheds: 426-041_Watershed

Symposium 2021

Visit our event web page to register.

Gardening in the Valley Symposium graphic

Save the Date!

  • Beginning Vegetable Gardeners Webinar 1 – February 18, 7 p.m.
  • Gardening Symposium (A Virtual Event) – March 6, 2021
  • Beginning Vegetable Gardeners Webinar 2 – March 18, 7 p.m.
  • Beginning Vegetable Gardeners Webinar 3 – April 15, 7 p.m.
  • Beginning Vegetable Gardeners Webinar 4 – May 20, 7 p.m.
  • GardenFest/Plant Sale – June 2021
  • Beginning Vegetable Gardeners Webinar 5 – June 17, 7 p.m.
  • Gardening in the Valley Tour – June 26
  • Beginning Vegetable Gardeners Webinar 6 – July 15, 7 p.m.
  • FallFest – September 2021
  • Blandy Seed Exchange 2021 – CANCELED due to COVID-19
  • Indoor Plant Clinic 2021 – CANCELED due to COVID-19

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