The section on aquatic ecosystems mentioned a key term to the functioning of any waterway: watershed. This section will give you more specifics about what a watershed is and what impact it has to the water system. Specifically you will learn:

What is a Watershed?
What does this term mean, and how does the watershed work?

Nutrient Loading
Too much of something can often be a bad thing. This page explains what happens when too many of the right chemicals fall into the same place.

Respecting the Watershed
This section will explain why you see signs on the highway informing you of an approaching watershed and how building projects can impact the watershed.