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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00372
PWS Name:	HERMISTON, CITY OF

Who Was Contacted:	ROY BICKNELL JR
Contact Phone:	541-567-5521 (Email address hidden)
Contact Date:	06/18/2024
Contacted By:	BAIRD, GREGG (DWP)
Contact Method/Location:	Email

Assistance Type:	OTHER WATER QUALITY - UCMR5 PFAS detections
Reasons:	Other

Details:	PFAS sampling conducted as part of the fifth round of the Unregulated Contaminant Monitoring Rule (UCMR5) showed PFOS at 5.2 ppt, PFHxS at 7.3 ppt, and PFBS at 3 ppt at entry point A (EP-A) for Well #2 (NEWPORT PARK) for a sample collected on 11/21/23. Sampling also showed PFOS at 4.5 ppt, PFHxS at 7.5 ppt, and PFBS at 7.5 ppt at entry point C (EP-C) for Well #5 (HARPER RD) for a sample collected on 2/20/24. The PFOS results from both EPs exceed EPA's new PFOS MCL of 4.0 ppt so system will likely need to take corrective action to comply with MCL by 2029. A letter was mailed and emailed to the water system on 6/18/24 which included information on how the results compare to the new MCLs, requirements to notify customers of availability of results and report detections in the annual consumer confidence report to customers, and information on Emerging Contaminant funding available to address PFAS.