PFAS Information | Chimney Heights Section of the Newtown Regional System
Aquarion actions to address PFAS
On June 15, 2022, the US EPA issued revised health advisories for four PFAS based on new information on the life-long exposure risk to these compounds. CT DPH also issued revised guidance on June 15, 2022 with the issuance of Action Levels for four PFAS compounds.
Below are Aquarion's sampling results for the Newtown Regional System in Newtown and Bethel, Connecticut. The Chimney Heights Well, which serves part of the Bethel portion of the Newtown Regional System, was sampled four times prior to September 2022 and found to be below the newly-established CT DPH action levels. The September 2022 result for PFOS was 11 parts per trillion (ppt), which is above the action level of 10 ppt for PFOS.
About the Newtown Regional System
The Newtown Regional System (PWS ID CT0970011) in Newtown and Bethel, Connecticut consists of two groundwater sources:
- Chimney Heights Well: PFOS historical average of 7 ppt with 1 of 5 samples above new Action Level of 10 ppt.
- Newtown Wells: PFOS historical average of 4 ppt with 0 of 5 samples above new Action Level of 10 ppt
The Chimney Heights Well partly supplies the Bethel area of the Newtown Regional System.
Action plan summary for the Chimney Heights Well serving part of the Bethel portion of the Newtown Regional System
See below for an action plan summary for the Newtown Regional System in Newtown and Bethel, Connecticut:
- Short-term solution: Whenever possible, Aquarion will minimize the use of the Chimney Heights Well while ensuring adequate water supply. In the first nine months of 2022, the Chimney Heights Well supplied approximately 44% of the water for the Bethel portion of the Newtown Regional System.
- Long-term solution: Aquarion is currently evaluating options for a long-term solution.
Aquarion will remain vigilant about this important issue and will continue to share test results with our customers and state and local officials. We will also continue to work with public health agencies and drinking water associations to ensure the protection of our drinking water supplies, and delivery of high-quality water to our customers.
Newtown Regional System PFAS Sampling Results
The table below includes historical sampling results for the Newtown Regional System, highlighting individual results above the new PFOS Action Level of 10 ppt:
Additional Resources
Learn more about PFAS and the Connecticut Department of Public Health's Drinking Water Section Strategy at ct.gov.
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