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Algae blooms turn Lincoln Memorial Reflecting Pool green shortly after renovation

By

Mack Baysinger

1d ago· 3 min readenNews

Summary

The Lincoln Memorial Reflecting Pool in Washington, D.C. turned a phosphorescent green shortly after the Trump administration completed millions of dollars in renovations intended to make it crystal clear. The discoloration is caused by algae growth, which thrives in the pool's calm, still waters. The algae are fueled by nitrogen and phosphorus from the Potomac River, which feeds the pool and carries heavy nutrient loads from urban and agricultural runoff, as well as from one of the largest sewage spills in U.S. history.

Source

bskyAlgae blooms turn Lincoln Memorial Reflecting Pool green shortly after renovationlatimes.com

Key quotes

· 3 pulled
The calm, still waters of the Reflecting Pool make it an ideal nursery for algae growth.
Algae need nitrogen and phosphorus to grow, and the Reflecting Pool is primarily fed by the Potomac River, which gets heavy doses of those nutrients from nearby urban and agricultural lands.
The Potomac also absorbed one of the largest sewage spills in U.S. history...
Snippet from the RSS feed
The reflecting pool turned an interesting shade of green awfully fast. Here is why.

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