Connecticut PFAS Reports

Throughout New England and across the nation, state and local officials, health departments, and water utilities, including Aquarion, have focused their attention on a group of man-made chemicals called per- and polyfluoroalkyl substances (PFAS) that have been detected in drinking water.  PFAS are widely used in consumer products (e.g. nonstick cookware, stain-resistant carpets) and have numerous industrial applications (e.g. firefighting foam).  PFAS are pervasive and persistent once released into the environment.

U.S. Environmental Protection Agency (EPA) has not established a maximum amount of these chemicals that they will allow to be present in drinking water; however, EPA currently recommends that concentrations of two of the chemicals, PFOA and PFOS, not exceed 70 parts per trillion (ppt) individually or combined.  The Connecticut Department of Public Health (DPH) has taken a more conservative approach and agrees that 70 ppt is an appropriate target concentration, but has included three additional PFAS (PFHxS, PFHpA, PFNA).

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In recognition of the growing concern about PFAS, Aquarion voluntarily began a PFAS testing program in 2019 for our 72 public water systems in Connecticut.  The test results are shown below and show a range of PFAS concentrations from not detected to 31 ppt for five chemicals.  These results are all well under the DPH and EPA advisory limit of 70 ppt.  These PFAS limits may be subject to change in the future. 

In November 2019, Governor Lamont announced that the Connecticut Interagency PFAS Task Force, the group he created this past summer, had developed a PFAS Action Plan.  One of the Action Plan’s key recommendations is to test drinking water for PFAS.  We believe the results from our 2019 PFAS testing program will help the State achieve implementation of the PFAS Action Plan. 

In addition to the water testing in 2019, Aquarion also inspected land use activities around each of our water supplies and found no high risk contamination sources such as industrial, commercial, and municipal activities that might release high levels of PFAS to the environment.

Aquarion will remain vigilant about this important issue, including additional testing for PFAS at some of our water sources.  We will continue to share test results with our customers and state and local officials.  We will also continue to work with the public health agencies and drinking water associations to ensure protection of our drinking water supplies, and delivery of high quality water to our customers.  

Below are additional information links on PFAS and Aquarion's PFAS sampling results by town/water system.


Bethel System PFAS Sampling Results

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Bethel System PFAS sampling results

Bridgeport Metro System PFAS Sampling Results

Bridgeport Metro System PFAS sampling results

Brookfield System PFAS Sampling Results

Brookfield System PFAS sampling results

Cornwall System PFAS Sampling Results

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Cornwall System PFAS sampling results

Danbury System PFAS Sampling Results

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Danbury System PFAS sampling results

Darien System PFAS Sampling Results

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Darien System PFAS sampling results

East Derby System PFAS Sampling Results

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East Derby PFAS sampling results

East Hampton System PFAS Sampling Results

East Hampton System PFAS sampling results

Goshen System PFAS Sampling Results

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Goshen System PFAS sampling results

Greenwich System PFAS Sampling Results

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Greenwich System PFAS sampling results

Kent System PFAS Sampling Results

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Kent System PFAS sampling results

Lakeville / Salisbury System PFAS Sampling Results

Lakeville/Salisbury System PFAS sampling results

Lebanon System PFAS Sampling Results

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Lebanon System PFAS sampling results

Litchfield / Goshen System PFAS Sampling Results

Litchfield/Goshen PFAS sampling results

Mansfield System PFAS Sampling Results

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Mansfield System PFAS sampling results

Marlborough System PFAS Sampling Results

Marlborough System PFAS sampling results

Middlebury System PFAS Sampling Results

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Middlebury System PFAS sampling results

Mystic System PFAS Sampling Results

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Mystic System PFAS sampling results

New Canaan System PFAS Sampling Results

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New Canaan System  PFAS sampling results

New Fairfield System PFAS Sampling Results

New Fairfield System PFAS sampling results

New Milford System PFAS Sampling Results

New Milford System PFAS sampling results

Newtown System PFAS Sampling Results

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Newtown System PFAS sampling results

Norfolk System PFAS Sampling Results

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Norfolk System PFAS sampling results

North Canaan System PFAS Sampling Results

North Canaan System PFAS sampling results

Norwich System PFAS Sampling Results

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Norwich System PFAS sampling results

Oxford System PFAS Sampling Results

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Oxford System PFAS sampling results

Ridgefield System PFAS Sampling Results

Ridgefield System PFAS sampling results

Seymour / Oxford / Beacon Falls System PFAS Sampling Results

Seymour/Oxford/Beacon Falls System PFAS sampling results

Sherman System PFAS Sampling Results

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Sherman System PFAS sampling results

Simsbury / Granby / East Granby System PFAS Sampling Results

Simsbury System PFAS sampling results

Southbury System PFAS Sampling Results

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Southbury System PFAS sampling results

Stamford System PFAS Sampling Results

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Stamford System PFAS sampling results

Stonington System PFAS Sampling Results

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Stonington System PFAS sampling results

Suffield System PFAS Sampling Results

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Suffield System PFAS sampling results

Washington System PFAS Sampling Results

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Washington System PFAS sampling results

Wolcott System PFAS Sampling Results

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Wolcott System PFAS sampling results

Woodbury System PFAS Sampling Results

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Woodbury System PFAS sampling results