3rd Quarter 2024 Repeat Public Notice for PFOA MCL Exceedance Wells 12, 14, 18, 19

You are receiving this letter as a requirement of the New Jersey Department of Environmental Protection (NJDEP) Tier 2 Public notice regulation. The sample results from the 1st quarter 2024 from TP021047 (Well 19) indicated exceedance of the maximum contaminant level (MCL) for Perfluorooctanesulfonic Acid (PFOS), which is also regulated by the NJDEP. Park Ridge has removed this well from service for evaluation and will be
pursuing the necessary treatment.

Customers continue to be informed that three other groundwater wells (Wells 12, 14, 18) exceeded the MCL for PFOA in November 2021. Additionally, customers were informed that these wells were removed from service at that time. One remains offline, and the other two have had temporary treatment installed and placed in service. Even though untreated water from these three wells are not provided to customers, the NJDEP
requires us to send a PFOA public notice to all of our water customers every 3 months until permanent treatment for PFOA has been installed at these wells 12, 14, 18 and the water system has returned into compliance with the MCL.

We are continuing to work through efficient permanent treatment design and pursuing the necessary funding.

For more information and updates please visit the Park Ridge Borough website: https://www.parkridgeboro.com/departments/water-sewer