UPDATE 10/14/2026 – The MMWWTP issued an updated report on 10/13 at 1pm modifying the duration to 4.45 hours and the discharge amount bto 1,185,900 gallons. The Mamaroneck Sanitary Sewer […]
Category: Long Island Sound
Posted inLong Island Sound
Mamaroneck Sewage Plant Releases 314,030 Gallons of Wastewater Into the Sound
The Mamaroneck Sanitary Sewer District Wastewater Treatment Plant (MMWWTP) reported releasing 314,030 gallons of partially treated wastewater into the Long Island Sound on Monday, September 28, 2026. Mandated reporting recorded […]
Posted inLong Island Sound
Nitrogen Runoff Earns Milton Harbor a D+ Grade for Water Quality
Milton Harbor, home to the Rye Boat Basin, Row America Rye, Wainwright House, Marshlands Conservancy, Hen Island, Shenrock Shore and American Yacht clubs, and a myriad of private homes, received […]
Posted inLong Island Sound
Mamaroneck Plant Releases 13 Million Gallons of Wastewater Into Long Island Sound
The Mamaroneck Sanitary Sewer District Wastewater Treatment Plant (MMWWTP) reported releasing 13,862,820 gallons of partially treated wastewater into the Long Island Sound on Sunday, September 13, 2026. Mandated reporting recorded […]
Posted inLong Island Sound
Westchester DOH Closes Coveleigh Club Beach Due to Storm Runoff
The Westchester County Department of Health (DOH) has closed the beach at Coveleigh Club in for Wednesday, September 2nd, 2026 due to 0.89 inches of rainfall in the prior 24 […]
Posted inLong Island Sound
New Leadership Announced for Long Island Sound Partnership
A new director was named for the Long Island Sound partnership on Thursday, August 27. U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin visited Port Jefferson, Long Island Thursday to […]
Posted inGreen
Westchester Health Department Clears Coveleigh Club Beach to Reopen
The Westchester County Health Department has given permission to Coveleigh Club and other Sound Shore beaches to reopen, after water samples from those beaches met water quality standards. Coveleigh and […]
Posted inGreen
Rye’s Coveleigh Club Beach Shut Down Following 3.28 Inches of Rain
The Westchester County Department of Health (DOH) has closed the beach at Coveleigh Club in Rye through the weekend and “until further notice due” to 3.28 inches of rainfall in […]
Posted inLong Island Sound
Mamaroneck Plant Releases 5 Million Gallons of Partially Treated Sewage
The Mamaroneck Sanitary Sewer District Wastewater Treatment Plant (MMWWTP) reported releasing 5,000,000 gallons of partially treated wastewater into the Long Island Sound on Thursday, August 20, 2026. Mandated reporting recorded […]
Posted inLong Island Sound
Westchester Health Officials Close Coveleigh Club Beach Through Aug 5
The Westchester County Department of Health (DOH) has closed the beach at Coveleigh Club in Rye for Tuesday, August 4 and Wednesday, August 5, 2026 due to the 1.76 inches […]