Long Island Sound Water Quality

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Over the next few days, Connecticut will experience a blast of arctic temperatures. Governor Lamont has activated the Severe Cold Weather Protocol. A list of shelters is available at 211ct.org or by calling 2-1-1. [Read more about the Severe Cold Weather Protocol]

Long Island Sound Water Quality

Water Quality Monitoring and Hypoxia Monitoring
Hypoxia and Nitrogen Reduction Efforts
Nitrogen Control Program for Long Island Sound

Other Related Programs:

EPA Long Island Sound Partnership

Long Island Sound General Information

Content last updated October 23, 2025

Connecticut Department of Energy & Environmental Protection

Long Island Sound Water Quality