The Long Island Sound is showing significant signs of ecological recovery, with oxygen-depleted "dead zones" shrinking to their lowest recorded levels in nearly 40 years. According to a 2025 report from Connecticut environmental officials, pockets of hypoxia now cover just 18 square miles of the waterway, which is a dramatic improvement from the estimated 430 square miles observed when tracking began in 1987. Experts credit this success to stricter regulations on wastewater treatment plants, which have curbed the nitrogen-rich sewage and runoff that previously suffocated marine life.
This restoration of water quality is already yielding visible results, underscored by the sighting of a
News Briefs: Long Island Sound 'Dead Zones' at Record Low
Also in this week's water and wastewater news, officials announce that emergency repairs to a collapsed wastewater pipe are complete, successfully stopping the flow of sewage into the Tijuana River
Jan 22, 2026 |
