I’m writing in regard to “Private polluters a peril in Suffolk” [News, Dec. 16]. It’s so important to keep our waters clean. Nitrogen is dangerous. Marine life is being harmed, and the groundwater is being threatened.

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Our world needs to be protected. The poisoning of our surface waters is a crucial issue, and authorities need to get a handle on it right away. The nitrogen levels need to stop going up.

Allison Plezia, Melville