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  1. What is a watershed? - NOAA's National Ocean Service

    What is a watershed? It’s a land area that channels rainfall and snowmelt to creeks, streams, and rivers, and eventually to outflow points such as reservoirs, bays, and the ocean.

  2. WATERSHED Definition & Meaning - Merriam-Webster

    Opinion on the literal geographic meaning of watershed is divided. On one side of the debate are those who think the word can only refer to a ridge of land separating rivers and streams …

  3. Watershed - National Geographic Society

    Apr 15, 2024 · A watershed is an area of land that drains rainfall and snowmelt into streams and rivers.

  4. What is a watershed and why does it matter? - Washington State ...

    A watershed is an area of land where all the water—whether from rain, snowmelt, or springs—drains into a common water body, such as a river, lake, or ocean.

  5. What is a watershed? - The Institute for Environmental Research …

    Jun 16, 2025 · A watershed is an area of land that drains all streams and rainfall to a common outlet such as a reservoir, river, bay, or ocean. It functions as a single integrated system, …

  6. Watersheds and Drainage Basins | U.S. Geological Survey

    Jun 8, 2019 · A watershed is an area of land that drains all the streams and rainfall to a common outlet such as the outflow of a reservoir, mouth of a bay, or any point along a stream channel.

  7. What is a Watershed? Understanding Its Definition and Importance

    Nov 2, 2023 · A watershed is a topographically defined area that is drained by a stream system, forming a hydrologic unit used for managing natural resources. Imagine a large basin where all …

  8. Two-Minute Takeaway: What Is a Watershed? | TNC

    Jun 24, 2024 · A watershed is an area of land where all water that enters it, either through precipitation or springs, drains to a common outlet or outflow point. Or, to switch the phrasing, …

  9. Introduction to Watersheds - Penn State Extension

    May 12, 2025 · What Is a Watershed? A watershed is the land area that drains into a stream or other body of water. Gravity pulls water downhill from rainstorms, snow melt, and even …

  10. What's a Watershed?

    What's a Watershed? A watershed is a basin-like landform defined by highpoints and ridgelines that descend into lower elevations and stream valleys. A watershed carries water "shed" from …