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UPDATE on PFOA and PFOS Detected in Two City of Prescott Wells Featured

UPDATE on PFOA and PFOS 

Big Idea

  • Wells immediately turned off
  • Water is safe to drink
  • Standards were changed to be more stringent
  • A Town Meeting will be held on Wednesday, 7/13
  • Read more...

 

Water Issues still at the top of the priority list

Friday, July 8, 2022, the City of Prescott announced that recent tests on two water production wells located in the airport area indicated the presence of PFAS in a quantity that exceeded the EPA’s new HAL.  The sampling of these two wells showed levels of PFOA as high as 15 ppt and PFOS as high as 12 ppt. Immediately upon receiving test results that were greater than the recommended HAL, the City shut down water production at the two affected well sites.  The wells remain inactive and city officials do not plan to reactivate these wells until the city has implemented measures to reduce PFOA and PFOS to recommended levels. The city operates a total of 8 wells located in and around Prescott.  There will be no noticeable difference in water delivery to any customers.  

The City of Prescott is partnering with the Arizona Department of Environmental Quality (ADEQ) to address the current issue and gain compliance with the EPA’s Health Advisory.  Additionally, the city will promptly investigate the possible source(s) of the PFOA/PFOS. 
The US Environmental Protection Agency (EPA) issues health advisories for contaminants that it does not regulate but which may pose a risk to public health.  PFOA and PFOS, collectively known as PFAS, are in that category of emerging contaminants that the EPA monitors, but does not regulate; therefore, these are health advisories.  On June 22, 2022, the EPA implemented a change in criteria for Health Advisory Levels (HAL) for man-made chemicals called perfluooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) from 70 ppt combined PFAS to .004 ppt for PFOA and .02 ppt for PFOS. PFOA and PFOS are chemicals typically used in cosmetics, non-stick surfaces, food containers and textiles to name a few. One part per trillion (ppt) is approximately equivalent to one drop of water in 20 Olympic-sized swimming pools, 1 second in 32,000 years, or ¾ of a teaspoon in Watson Lake.    

On Wednesday, July 13, at 1:30 pm, at City Hall Council Chambers, 201 S. Cortez Street, staff from the City’s Public Works Department will be present at a Town Hall meeting hosted by Mayor Phil Goode. This meeting can be attended in person or via Zoom. City staff from the Public Works Department will discuss the recent test results, actions that have been taken so far, and evolving plans to address the issue.   

• There is no immediate health risk.  You DO NOT need to use an alternative water supply since the affected wells are no longer in use.  However, if you have specific concerns, please consult your doctor.    

• For more information about PFOA or PFOS, please visit the City website at https://www.prescott-az.gov/water-sewer/water-operations/water-quality-reports/  or contact City of Prescott Public Works Department – Water Division at 928-777-1118.       

• For information about the EPA Health Advisory and ADEQ actions, follow these links:  

• Arizona Department of Environmental Quality (ADEQ)  

https://azdeq.gov/press-releases/press-release-adeq-committed-protecting-arizonans-and-assisting-public-water-systems    

• Environmental Protection Agency (EPA)  

http://www.epa.gov/pfas   

• Zoom Link For Town Hall Meeting:  You are invited to a Zoom webinar. 
When: Jul 13, 2022 01:30 PM Arizona 
Topic: Mayor’s Town Hall Meeting 
  
Please click the link below to join the webinar: 
https://us02web.zoom.us/j/81079577824?pwd=WStxWExBSFp2bFBQcU5TYnF0VTdnQT09 
Passcode: 318523 
Dial(for higher quality, dial a number based on your current location): 
        US: +1 253 215 8782  
Webinar ID: 810 7957 7824 

 

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Last modified on Wednesday, 13 July 2022 12:05
Published in Prescott.news
John Heiney

Community Outreach Manager

Communications, Economic Development and Tourism

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