2016 Water Quality Report


 Download The 2014 PDF Here

 Download The 2015 PDF Here

  2016 Quarterly Report


Our Commitment to Quality

Once again we proudly present our annual water quality report which details the results of water quality testing completed from January to December, 2014. The purpose of this report is to raise your understanding of drinking water and awareness of the need to protect our drinking water sources. Included in this report are details about where your water comes from, what it contains, and how our water quality results compare to federal and state standards.

We are pleased to tell you that we had no Safe Drinking Water Act violations in 2014. We are committed to delivering the best quality drinking water. To that end, we remain vigilant in meeting the challenges of source water protection, water conservation, and community education while continuing to serve the needs of all our water users.

We want you to be informed about your drinking water. For more information about this report, or for any questions relating to your drinking water, please call the East Windsor MUA at 609-443-6000.

Public Participation – How Can I Get Involved?

If you have questions or would like to become involved in discussions about your water quality, the East Windsor MUA meets on the 3rd Thursday of each month at the Administration office, on 7 Wiltshire Dr. East Windsor NJ.

How to Contact Us

The East Windsor MUA welcomes your comments and questions as they relate to the quality of your water. For more information about this report, or for any questions relating to your drinking water, please feel free to call 609-443-6000

This report contains important information about your drinking water. If you do not understand it, please have someone translate it for you.
Este informe contiene información muy importante sobre su agua potable. Tradúzcalo o hable con alguien que lo entienda bien.

Where Does Our Water Come From?

The East Windsor MUA Water Department is a public community water system consisting of 7 wells. This system’s source water comes from the Potomac-Raritan-Magothy (PRM) aquifer formation.

What’s In the Source Water before We Treat It?

In general, the sources of drinking water (both tap and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs and wells. As water travels over the surface of the land or through the ground, it dissolves naturally-occurring minerals and can pick up substances resulting from the presence of animals or from human activities.

Substances That May Be Present in Source Water Include:

For more information about contaminants and potential health effects, call the EPA’s Safe Drinking Water Hotline at 1-800-426-4791.

East Windsor MUA PWSID # 1101002

East  Windsor MUA is a public community water system consisting of seven wells. None of the wells are under the influence of surface water. There are no surface water intakes and no ground water sources or surface water sources purchased. The system’s source water comes from the following  aquifers:   middle Potomac-Raritan- Magothy  aquifer and the upper Potomac-Raritan-Magothy aquifer. The system does not purchase water from any other water system.

Protecting Your Water Source

What is S.W.A.P.

SWAP (Source Water Assessment Program) is a program of the New Jersey Department of Environmental Protection (NJDEP) to study existing and potential threats to the quality of public drinking water sources throughout the state. Sources are rated depending upon their contaminant susceptibility.

Susceptibility Ratings for East Windsor Municipal Utilities Authority Water Sources

The table below illustrates the susceptibility ratings for the seven-contaminant categories (and radon) for each source in the system. The table provides the number of wells and intakes that rated high (H), medium (M), or low (L) for each contaminant category. For susceptibility ratings of purchased water, refer to the specific water system’s source water assessment report. Definitions, Source Water Assessment Reports and Summaries are available for public water systems at www.state.nj.us/dep/swap/ or by contacting NJDEP’s Bureau of Safe Drinking Water at
(609) 292-5550.


Contaminant Categories

DEP considered all surface water highly susceptible to pathogens; therefore all intakes received a high rating for the pathogen category. For the purpose of Source Water Assessment Program, radionuclides are more of a concern for ground water than surface water. As a result, surface water intakes’ susceptibility to radionuclides was not determined and they all received a low rating.

If a system is rated highly susceptible for a contaminant category, it does not mean a customer is or will be consuming contaminated drinking water. The rating reflects the potential for contamination of source water, not the existence of contamination. Public water systems are required to monitor for regulated contaminants and to install treatment if any contaminants are detected at frequencies and concentrations above allowable levels. As a result of the assessments, DEP may customize (change existing) monitoring schedules based on the susceptibility ratings.

Source water protection is a long-term dedication to clean and safe drinking water. It is more cost effective to prevent contamination than to address contamination after the fact. Every member of the community has an important role in source water protection. NJDEP recommends controlling activities and development around drinking water sources whether it is through land acquisition, conservation easements or hazardous waste collection programs. We will continue to keep you informed of SWAP’s progress and developments.

Lead Education Statement

If present, elevated levels of lead can cause serious health problems, especially for pregnant women and young children. Lead in drinking water is primarily from materials and components associated with service lines and home plumbing. East Windsor Municipal Utilities Authority is responsible for providing high quality drinking water, but cannot control the variety of materials used in plumbing components. When your water has been sitting for several hours, you can minimize the potential for lead exposure by flushing your tap for 30 seconds to 2 minutes before using water for drinking or cooking. If you are concerned about lead in your water, you may wish to have your water tested. Information on lead in drinking water, testing methods, and steps you can take to minimize exposure is available from the Safe Drinking Water Hotline or at  http://www.epa.gov/safewater/lead.

Wise Water Use Tips

Wise water use is an important first step in protecting our water supply. Such measures not only save the supply of our source water, but can also save you money by reducing your water bill. Here are a few suggestions: 

Wise water tips you can use inside your home:

Sources of Information:

How Do I Read the Table of Detected Contaminants?

Starting with the Contaminant, read across from left to right. A “Yes” under Compliance Achieved means the amount of the substance met government requirements. The column marked MCLG, Maximum Contaminant Level Goal, is the level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety. The shaded column marked MCL, Maximum Contaminant Level, is the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology. The shaded column marked Range Detected shows the highest and lowest test results for the year. The column marked Highest Level Detected shows the highest test results during the year. Typical Source shows where this substance usually originates. Compare the Range Detected values with the MCL column. To be in compliance, the Highest Level Detected must be lower than the MCL standard. Those substances not listed in the table were not found in the treated water supply.

As you can see from the table, our system had no MCL violations again this year. The footnotes and the definitions below will help you interpret the data presented in the Table of Detected Contaminants.

Table Definitions

Water Quality Statement

The data presented in the Table of Detected Contaminants is the same data collected to comply with U.S. EPA and New Jersey state monitoring and testing requirements. We have learned through our testing that some contaminants have been detected, however, these contaminants were detected well below the levels set by the EPA to protect public health. To assure high quality water, individual water samples are taken each year for chemical, physical and microbiological tests. Tests are done on water taken at the source, from the distribution system after treatment and, for lead and copper monitoring, from the customer’s tap. Testing can pinpoint a potential problem so that preventive action may be taken. The Safe Drinking Water Act regulations allow monitoring waivers to reduce or eliminate the monitoring requirements for asbestos, volatile organic chemicals, and synthetic organic chemicals.

Water Quality Results

Vulnerable Populations Statement

Some people may be more vulnerable to contaminants in drinking water than the general population. Immune compromised persons such as persons with cancer undergoing chemotherapy, persons who have undergone organ transplants, people with HIV/AIDS or other immune system disorders, some elderly, and infants can be particularly at risk from infections. These people should seek advice about drinking water from their health care providers. EPA/CDC guidelines on appropriate means to lessen the risk of infection by Cryptosporidium and other microbial pathogens are available from the Safe Drinking Water Hotline (1-800-426-4791).

Regulated Substances


[1] The East Windsor MUA adds Fluoride to the drinking water which is adjusted to maintain a concentration between 0.8 – 1.2 ppm as directed by the NJDEP Bureau of Safe Drinking Water. Levels did not exceed the recommended upper limit of 2.0 ppm.

[1] A new Disinfection Byproducts Rule called Stage 2 took effect for this system the third quarter of 2014. The first compliance calculations for this system will be available after the third quarter of 2014 once a full year of monitoring has been completed. This also applies to Haloacetic Acids results.

[1] Some people who use water containing chlorine well in excess of the MRDL could experience irritating effects to their eyes and nose. Some people who drink water containing chlorine well in excess of the MRDL could experience stomach discomfort.

[1] The latest annual results for alpha emitters was 13.63 pci/L. Certain minerals are radioactive and emit a form of radiation known as alpha radiation. Some people who drink water containing alpha emitters in excess of the MCL over many years may have an increased risk of getting cancer.

[1] Combined Radium 226 and Radium 228, the latest annual levels/results was 3.50 pci/L.

[1] The State of New Jersey allows us to monitor for certain contaminants less than once a year because the concentrations are not expected to vary significantly from year to year.  Some of the data, though representative, are more than one year old. No lead or copper samples exceeded the MCL action level during the latest monitoring period which was completed in 2012.

*The recommended upper limit for iron is based on unpleasant taste of the water and staining of laundry. Iron is an essential nutrient, but some people who drink water with iron levels well above the recommended upper limit could develop deposits of iron in a number of organs of the body. Iron is a naturally occurring mineral in the earths crust. 

Note: All contaminants detected were found to be at very low levels and are below the MCL set by the NJDEP’s Bureau of Safe Drinking Water.  The Safe Drinking Water Act regulations allow monitoring waivers to reduce or eliminate the monitoring for asbestos, volatile organic compounds (VOCs), synthetic organic compounds (SOGs), lead and copper.  Our system received monitoring waivers for all these contaminants except VOCs, which required for one water treatment plant during 2014.  Monitoring waivers are granted for inorganic contaminants that are considered to have long term stability.  Comprehensive lead and copper testing has bee undertaken by the East Windsor MUA water department.  Concentrations of lead and copper were below applicable action levels.


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