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Articles Regarding 1,4-dioxane

In a recent edition of Newsday there are two articles about contaminants in public water supplies on Long Island. They stem from the results of the EPA's third Unregulated Contaminant Monitoring Rule ("UCMR") that was released in August 2016. Every five years the EPA is required to designate a list of contaminants which are not presently regulated. This means that there are no national safe drinking water standards established for these contaminants. The EPA studies the results and determines if any of the contaminants pose a health risk and should be regulated.

One article focused mainly on one contaminant, 1,4-dioxane which is a solvent used in textile processing, printing processes and detergent preparations. Although the EPA has not set a standard for 1,4-dioxane, New York State has established a standard of 50 parts per billion for any unregulated organic chemical, including 1,4-dioxane. The Water Authority's highest detection of 1,4-dioxane is 12 parts per billion at one location, well below the standard. The remainder of the results range for no detection to 0.84 parts per billion.

At present there is no treatment method for the removal of 1,4-dioxane from the water supply, however Suffolk County Water Authority is performing a large-scale pilot study aimed at removing 1,4-dioxane. Construction of the pilot treatment system is scheduled to be completed by April of this year. Suffolk County must collect data for a year before it can present their result to the State for approval of the treatment method.

As with any regulated contaminant if the water from any of Long Island's public water supply wells exceeds the standards, the wells must be taken out of service until treatment is installed to remove the contaminants from the water. At present the Water Authority uses air-stripping and granular activated carbon facilities to remove volatile organic compounds ("VOC") from the water. Construction is underway for two new air-stripping facilities to treat four wells that have been out of service due to VOC contamination.

The Water Authority customers can rest assured that the public water that flows from their faucets is one of the most highly regulated supplies in the United States and is safe to drink.

Beware Fake Utility Workers
A Warning Regarding Fake Utility Workers

Newsday has reported that once again thieves on Long Island have posed as utility workers in order to gain access to homes.

Please be aware that under normal circumstances the Water Authority will not send utility workers to customer homes without scheduling an appointment ahead of time.

If you have an unexpected worker show up and claim to be from the Water Authority, we suggest that you do not let them into your home and call our Customer Service number at (516) 327-4100 to speak with one of our representatives to verify that they are one of our employees.

If you feel you or someone else is in danger, please call 911 immediately.

Please share this information and help insure that you, your family, and neighbors have a Healthy and Happy Holiday Season.

Water Authority of Western Nassau County Board Approves Water Rates Effective June 1, 2016

New Hyde Park, NY — At its May 23rd public rate meeting, the Board of Directors of the Water Authority of Western Nassau County (Water Authority) approved an overall 9.4% increase in water rates. Residential customers will receive a 4.1% increase while commercial customers will receive an increase based on the size of their meter. Public fire hydrant rates will remain unchanged from the current annual charge of $936.

The 9.4% increase in rates is a result of the Water Authority’s increased costs related to debt service costs required to fund the Water Authority’s capital plan which includes critical projects related to wellhead treatment or iron removal. The most significant project is the design and construction of two VOC (“Volatile Organic Compound”) treatment facilities required to treat the water provided by four wells, all located in Elmont, which are currently out of service due to the VOC levels. These wells are responsible for providing approximately 7.5 million gallons of water capacity to our system on a daily basis and are critical to the western portion of our service territory. Water supplied by the four wells is stored in the 5-million gallon storage tank located across from Belmont Park.

The Board of Directors and Water Authority staff completed its review of the comprehensive rate study conducted by D&B Engineers and Architects, P.C. (D&B). D&B was hired to independently assess and evaluate the Water Authority’s existing water rate structure as distributed to its four customer classes while ensuring adequate funding of all water operations as well as all capital and debt service costs.

The quarterly bill for the minimum use customer will increase from $41.51 to $44.38. Average annual residential charges (based on average usage of 104,600 gallons per year) will increase from $440 to $466. The average annual commercial charges (based on average usage of 482,300 gallons per year) will increase from $1,832 to $2,293.


1580 Union Turnpike, New Hyde Park, NY 11040-1762
Phone: (516) 327-4100 | Fax: (516) 327-4132
Public Water Supply Identification No. NY2902830
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