Monday, August 29, 2011

Sunday with Irene in Coxsackie

This past Saturday we brought the boat north from Ossining to avoid the worst of Hurricane Irene. We anchored in the sheltered channel between Coxsackie and Rattlesnake Islands and the west bank of the river. As you can see in the photo below, the shoreline was flooded even this far north, and the tributaries in the area were raging.

During the afternoon on Sunday, the rain and wind tapered off a bit and we saw the neighborhood bald eagle out fishing. We will be running back south this morning, but there is significant debris in the river, including many boat wrecks along the shoreline.

View of the rain from the wheelhouse
A severely flooded shoreline
The view from our anchorage site

Tuesday, August 09, 2011

"How Is the Water?" Report Released

Today we released our report on sewage contamination in the Hudson River Estuary, "How Is the Water?"

It was a big group effort - 5 years to collect the data and 5 months to write and release the report. I'm sure this will not be our last report on the sewage contamination we are battling. It's just another point in an ongoing conversation.

We were honored to be joined by New York State Senator Adriano Espaillat and New York State Assemblyman Thomas Abinanti. We will be working with both representatives on a Sewage Right to Know law for New Yorkers.

Download the report and learn about patterns and sources of sewage in the Hudson, and view some of the preliminary news coverage:

Monday, August 01, 2011

A Personal Account of the North River Sewage Treatment Plant Discharge

Riverkeeper and our science partners from Lamont Doherty and Queens College sampled the affected area from the Tappan Zee Bridge to the Battery on Thursday, 7/21, Friday, 7/22, and Monday, 7/25. Sampling took place in response to a fire and subsequent shutdown of the North River Sewage Treatment Plant in Manhattan.

The video below describes what we saw while sampling:

It’s interesting to note that when we sampled at the North River Plant, the water in the immediate vicinity looked visibly contaminated, yet there was a very low count (10). Meanwhile, the water at Dyckman Street Beach and at the 125th Street Pier looked fairly normal, yet their Entero counts were unacceptable (110 and 173). This goes to show that one cannot tell microbial water quality by simply looking at it. You have to do water quality testing to truly understand the safety of the water. There is no substitute for data collection and responsible action based on the data.

Still, this accident should be viewed in the appropriate context. It is important to note that Entero counts at the mouth of the Saw Mill River in Yonkers, were about as high on the July 25th as many of our samples taken in Manhattan immediately after the North River Plant shutdown. This was most likely due to sewage overflows caused by the significant rainfall that took place the afternoon and night before our sampling on the 25th. Our prior data from this site finds this location to be frequently exposed to high levels of sewage contamination. Despite this known fact, there are no warnings given to the people of Yonkers and lower Westchester about this chronic and significant contamination along the shoreline.

Chronic wet weather sewage discharges are a huge problem throughout the entire 155 mile Hudson River Estuary. This point is echoed when our data from the spill is compared to that of our May 2011 sampling patrol. Throughout May there was significant rainfall, causing many of our sampling locations to be contaminated. Sewage contamination does not only result from accidents at sewage treatment plants. It happens on a regular basis each time there is significant rainfall. This contamination from wet weather discharges can cause large portions of the river to have unacceptable conditions like those we encountered west of Manhattan last week.

It is imperative that each time there is sewage contamination in the River, whether from infrastructure failure (e.g. a burst pipe or fire in a treatment plant) or the more frequent wet weather discharges, the proper authorities must alert the public of potential risk. It is inexcusable for individuals to be swimming in sewage, yet it happens frequently due to the lack of proper monitoring, notification, and enforcement. There were large differences in monitoring data collected by Riverkeeper and the NYC-DEP in response to the recent spill. The NYC-DEP data, collected only in mid-channel portions of the river, showed a maximum Entero count of 400 cells/100ml, whereas the Riverkeeper data including near shore sites had a maximum of 104,620 cells/100ml. This makes it clear that monitoring activities must include near shore sites, where the public is most likely to come into contact with the water.

Data from these testing runs can be found below: