*Nutrients reaching the Mattawoman, Potomac, and Chesapeake Bay fertilize excess algae, which chronically clouds** water and depletes oxygen as algae die & decompose.  Occasional algal blooms are increasing in frequency,  and can lead to fish kills and poison the water for people.

**Cloudy water prevents re-establishing the lush submerged aquatic vegetation that once graced our waters with life-giving habitat for everything from snails to fish.