Jan 8, 2016 10:48 AMPublication: The Southampton Press
Southampton Village May Tap Scientist To Conduct New Study Of Lake Agawam And Sewers' Impact
Defend H2O President Kevin McAllister Questions Need For Sewer Plan from 27east.com on Vimeo.
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The Southampton Village Planning Commission wants the Village Board to hire Dr. Christopher Gobler to explore to what extent a new sewer system and wastewater treatment plant would help clean up Lake Agawam.
Meanwhile, Defend H2O President and founder Kevin McAllister has come forward with a study maintaining that, despite proponents' claims, a new sewer system will not significantly improve conditions in the lake. According to Mr. McAllister, it is phosphorus—not nitrogen, which is what the proposed sewer system would target—that is causing the persistent, damaging blue-green algae blooms in the lake.
The proposed sewer district would encompass the whole village but serve only the business district and also include a wastewater treatment plant behind the Village Police Department on Windmill Lane. Village officials have said the system is needed not only to help with economic development, which the district would promote, but also to improve the quality of Lake Agawam by removing nitrogen believed to come from wastewater.
At a Planning Commission meeting last Thursday night, January 7, Dr. Gobler, an East Quogue resident and marine science professor at Stony Brook University who has been studying the lake for more than a decade, said the study he would conduct would calculate the loading levels and sources of excess nutrients in the lake and ultimately determine how much a new sewer system would reduce the levels of nitrogen.
According to Dr. Gobler, surface runoff, lawn fertilizers, wastewater, droppings from swans and geese, and atmospheric deposits are just some of the sources of both nitrogen and phosphorus pollution in Lake Agawam. With those factors in mind, he said it is important to address the health of the lake sooner rather than later because the algae, also known as cyanobacteria, pose a health threat to humans and animals when they are present in high numbers.
Dr. Gobler explained that the solution is to "starve [the bacteria] of nitrogen and phosphorus. … If you remove nitrogen and phosphorus, they die," he said. "They need these nutrients to grow."
In the days following the meeting, Dr. Gobler said in an email that he was unsure of how much money it would cost the village for him to conduct a study, as he still needs "a little more information from the village about the precise details of their needs and expectations."
Others say that investing millions of dollars into a new sewage treatment plant is not the best solution to Lake Agawam's problem. Mr. McAllister, who is also a former Peconic Baykeeper, agreed that the nitrogen and phosphorus loading levels need to be determined, but said addressing phosphorus should take precedence over nitrogen—something the proposed sewer system will not do.
Mr. McAllister referred to a study conducted by Massachussetts-based Lombardo Associates Inc., which he engaged to do research in 2013 while he was serving as Baykeeper. According to the study, which refers to some of Dr. Gobler's past work, it is phosphorus, not nitrogen, that determines the water quality of Lake Agawam, as the nutrient makes up 89 percent of the lake's benthic release—essentially, a nutrient release from sediments at the bottom of the water.
The study is also accompanied by an action plan that lists several ways the village could address the phosphorus problem. They include installing a permanent watershed monitoring system, constructing an engineered wetland for stormwater treatment, or treating the lake itself to remove the benthic phosphorus, as well as implementing a waterfowl management plan—work that is estimated to cost about upward of $8 million. Mr. McAllister said dredging is also an option.
Mr. McAllister, who was at last Thursday's meeting, said in an interview with The Press that the village should reevaluate its sewer district proposal pitch to residents, especially since it may mean going back to them in the future when the lake is still not completely cleaned.
"Are you going to ask the community, five years down, 10 years down, 'Oh, you know, the district didn't clean up Lake Agawam. Boy, it's still green every summer. Oh yeah, it must be the sediments'?" he said. "Or, 'Yeah, stormwater's still a problem. We need $5 million, or $10 million, to address these problems'?
"They keep hitching the wagon to Lake Agawam—just be clear," he continued. "If you want the district, and if it means allowing for expansion of a restaurant, or putting an apartment over a hardware store, affordable housing, whatever goes into this district … you know, that's wonderful, and that's for the community to decide, relative to quality-of-life issues. But when we're talking about water quality, it's science-based. It's not rhetoric. I see a problem here by linking it to Agawam, where it's not going to have that effect that you're telling people it will."
Another study has suggested a similar argument. Although commissioned by Southampton Inn owner Dede Gotthelf to look only at the hotel's impact on Lake Agawam, Bohemia-based P.W. Grosser Consulting concluded in December that the inn's sewer discharge did not affect the lake's water quality, contrary to the sewer district proposal, which includes the inn in the proposed sewer service area.
Frank M. Russo, senior vice president of the Melville-based firm H2M Architects and Engineers, which drafted the proposal, said that he believed Dr. Gobler's study will show that nitrogen in the groundwater "significantly contributes to the degradation of the lake's water quality"—which, in turn, is "an indicator of failing on-site sanitary systems, like the archaic cesspools found in the business area of the village."
Mr. Russo noted, though, that in order for the project to be affordable for the village—it is expected to cost $33 million to install—the village needs to apply for grants, and they are not available solely for downtown revitalization projects. "There has to be an environmental component in that sewering will help to mitigate toxic algae blooms caused by failing on-site systems, while also providing the means to diversify the mix of wet and dry businesses," he said.
After Thursday's meeting, Dr. Gobler contested the argument that focusing on the removal of nitrogen in Lake Agawam would not improve the water quality.
"While it had been assumed that phosphorus would be the factor controlling blue-green algae in Lake Agawam, our research has continually showed that they are actually controlled by nitrogen," he said. "In addition, there is now scientific consensus that nitrogen also controls the toxicity of the species of blue-green algae in Lake Agawam.
"While I believe phosphorus should also be controlled," he continued, "ignoring nitrogen would be ignoring the best available scientific data for the lake and the organisms present."
Planning Commission Chairman Paul Travis said that until it is known how much nitrogen would be removed with a new sewer system and wastewater treatment plant, the commission will take its time with discussions on the sewer system.
He emphasized last Thursday night, though, that the sewer district is not the only way to clean up the lake—it is just one of many different steps the village can take. "I don't think anyone on the Planning Commission has ever said this is the sole, or the prime way, to solve Lake Agawam," he said. "We're going to do the study … and then we'll have something to talk about."
The headlines have been a 34 million dollar sewer system to clean up Lake Agawan. Now the jury is out on wether it will do anything for Lake Agawan? Why wasn't the study done before the village invested a penny with engineers? Seems like a bunch of crap to line real estate owners pockets in the business district.
By chief1 (2800), southampton on Jan 8, 16 4:36 PM
marlinspike
After going to the meeting the first time, it seems like they are planning to increase density to the business district for owners and or new developers for the area. Who are the larger developers here and how are they related???
No way no how is Agawam lake involved in this fiasco...
The board is totally brain dead... Only the chairman basically spoke, the rest are appointed LAMBS... Please go to the meetings or you will be paying for the few owners in the mayors group...
By knitter (1941), Southampton on Jan 8, 16 8:03 PM
We do not need a new study. There have been many already. The sewer district is not needed. We have a three month high density and then it is over. Upgrades to existing septic should be encouraged with tax credits from town and village.
By Obserever (40), Southnampton on Jan 9, 16 8:48 AM
bb, localcitizen, KevinLuss, marlinspike
The primary reason for Lake Agawam being compromised is the deep level of sediment on the floor that is releasing phosphorous. You have to clean up Lake Agawam's muck if you ever want the water to be blue again.
By KevinLuss (356), SH on Jan 9, 16 2:14 PM
I grew up fishing agawam in the 50's/60's. Never was very clear on the north side. Every summer there was a algea bloom there. Clear water is gone. Sounds like big business wants to make Southampton a Patchogue, more density... WATCH
By knitter (1941), Southampton on Jan 10, 16 11:41 AM
How is Gobler's name pronounced? Phonetically please?
Also - Does anyone remember the time all of the fish went belly-up at once at Agawam and the excellent reportage of The Southampton Press and how remarkable their photo was on the front page?
By Vikki K (490), Southampton on Jan 15, 16 2:15 PM
By whatapity (106), Tuckahoe on Jan 19, 16 10:02 AM