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HomeLarchmontMamaroneck Shows Cleanest, and One of Dirtiest Waterways

Mamaroneck Shows Cleanest, and One of Dirtiest Waterways

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 The cleanest 2015 site was at Taylor Lane in the outer Mamaroneck Harbor

2015 test results from Save the Sound, a nonprofit research and advocacy group,  have just been released online, covering 52 locations from Pelham Manor, New York to Greenwich, Connecticut, including shorelines and bays, rivers, brooks, and creeks.

With the help of 25 trained volunteers, Save the Sound doubled the scope of their water quality monitoring this year – collecting 400 water samples and testing each sample for fecal contamination levels that can pose serious health risks. The samples were scored using the New York and Connecticut safe swimming criteria. View the online 2015 water quality results and summaries here.

Sampling river site.

Save the Sound found that sites on the rivers, brooks, and creeks that flow through our yards and parks into the Sound “as a group failed twice as often as sites on the shoreline and in bays and harbors. The report reveals: “The 79 percent failure rate on rivers is also twice last year’s failure rate of 34 percent. The dramatic increase in failed samples cannot be attributed entirely to the rivers we added to the study this year, because the rivers we sampled last year and again this year all had higher failure rates in 2015.”

But there’s some good local news: The cleanest 2015 site was at Taylor Lane in the outer Mamaroneck Harbor, which is only a mile from sites in the inner harbor where volunteers found high concentrations of fecal contamination. The next-cleanest sites were all in Greenwich.
All the data sets, further analysis, and information on this study can be viewed on Save the Sound’s website

For more information, contact:

 Tracy Brown
 Save the Sound, a bi-state program of
 Connecticut Fund for the Environment
 (914) 381 3140
Images courtesy


Joyce Newman
Joyce Newman
Joyce H. Newman is an Emmy Award-winning environmental journalist, educator, and gardener. She holds a Certificate in Horticulture from The New York Botanical Garden, and is a tour guide there.
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