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Qater Quality

Brookhaven officials flood county public works offices with hopes of addressing water quality on North Shore

The creek flowing from Stony Brook Mill Pond, above, and into the Stony Brook Harbor is collecting sediment, making it difficult to use the body of water. Photo by Giselle Barkley

Just as the Town of Brookhaven officials are fighting to improve the Long Island Sound’s water quality, officials have also recently taken steps to combat the buildup of sediment deposits in Stony Brook Harbor.

According to a press release, Supervisor Ed Romaine (R) wrote a letter to the Suffolk County Commissioner of Public Works Gil Anderson on Sept. 14 urging the county to include a navigational channel to the “Stony Brook Boat Works” property. The channel will end south of Brookhaven’s “kayak/canoe launch.”

Officials noted that the creek, which flows from Stony Brook Mill Pond into the Stony Brook Harbor, has accumulated sediment deposits over the years, which is restricting tidal flow in that area. The growth of Phragmites, a common grass found in wetlands, has largely contributed to the sediment deposits. Romaine said the water is shallow in that area and it is difficult for the anchored boats at the Stony Brook Yacht Club to navigate the body of water during low tide.

“[The town] raised this issue because we think it should be examined,” Romaine said. “We think that the boaters particularly in the yacht club should have the ability to use the recreational waterways. We also think it would help [tidal flushing] for that creek.”

Romaine also said even if the project is approved, dredging the body of water depends on the amount of money available to execute the project. Once approved, the town will have to handle how and where the sediment is disposed. Romaine said hydraulic dredges, which dredge spoils and pump them half a mile away, and dewatering sites among others are ways the town can dispose of the dredge spoils.

In a press release, Romaine asked for the Stony Brook Task Force and Legislature Kara Hahn (D-Setauket) to support his position on the issue. Although Romaine submitted the letter to the county, it’s unclear when or if the Dredge Committee will accept the modified project, as the committee doesn’t meet regularly and is working on other dredging projects.

“It will take some time before the county addresses this. But if you don’t ask, you don’t get,” Romaine said in a phone interview. “This may not be their first priority but [the town] put the request in and we’re hopeful that it will get some attention.”

Suffolk officials discuss environmental issues facing Long Island after thousands of dead fish washed ashore in Riverhead. Photo by Alex Petroski

The estimated nearly 100,000 dead bunker fish that have washed ashore in Riverhead may seem astounding, but it wasn’t all that surprising to the panel of experts brought before the Suffolk County Health Committee on Thursday.

In late May, the thousands of dead bunker fish, formally known as Atlantic menhaden fish, began appearing in the Peconic Estuary, an area situated between the North and South Forks of Long Island. According to a June 2 press release from the Peconic Estuary Program, the bunker fish died as a result of low dissolved oxygen in the water. This shortage of oxygen is called hypoxia.

Walter Dawydiak, director of the county’s environmental quality division, who serves on the panel, which was organized by the health committee chairman, Legislator William “Doc” Spencer (D-Centerport), testified that the number of dead fish was at or approaching 100,000.

“This one is bigger and worse than any,” Dawydiak said.

According to the PEP, which is part of the National Estuary Program and seeks to conserve the estuary, bunker are filter-feeding fish and an important food source for many predatory fish, including striped bass and blue fish.

Alison Branco, the program’s director, said the fish are likely being chased into shallow waters by predators, but are dying because of low dissolved oxygen levels in the waters. In addition, an algae bloom is contributing to the low levels and is fueled by excess nitrogen loading. Much of that nitrogen comes from septic systems, sewage treatment plants and fertilizer use.

“We’ve reach a point where this kind of hypoxia was run of the mill. We expect it every summer,” Branco, who also served as a panelist, said following the hearing.

While magnitude of the fish kill was astounding, the experts said they weren’t so surprised that it happened.

“I definitely thought it could happen at any time,” Christopher Gobler, a biologist at Stony Brook University, said in a one-on-one interview after the panel hearing. “There’s been an oxygen problem there all along.”

Gobler called it largest fish kill he’d seen in 20 years.

According to panel members, the worst of the fish kill occurred between May 27 and May 30.

Branco did suggest that this shocking environmental event could be turned into a positive if the right measures are taken sooner rather than later.

“It’s always shocking to see a fish kill,” she said. “As much as we don’t want to have things like that happen I think the silver lining is that it did capture the public’s attention.”

Prevention of a fish kill this large is possible, according to Branco. While preventing the harmful algal blooms is not possible, reducing the frequency and severity can be done if the amount of nitrogen in the coastal water supply is controlled.

Adrienne Esposito, executive director of Citizens Campaign for the Environment, an environmental policy advocacy group, agreed that curtailing the amount of nitrogen in the water is the easiest and most impactful way for prevention of a fish kill of this magnitude.

“The journey of a thousand miles starts with the first step,” Esposito said in response to a question about the daunting task of fixing the Island’s sewage treatment techniques and facilities on a limited budget.

Esposito described the roughly $5 million from New York State, which was allotted to Suffolk County to deal with cleaning the coastal water supply, as seed money. Esposito and Branco both said they believe the commitment of time and money required to solve the nitrogen problem in the water supply will be vast.

“We can do this,” she said. “We have to do it. We have no choice.”