OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00611
PWS Name: PAISLEY, CITY OF
 
Who Was Contacted and Phone: Melissa Walton
Contact Date: 02/28/2018
Contacted By: KAZMIERCZAK, RUSSELL (DWP)
Contact Method/Location: Office
 
Assistance Type: WATER QUALITY ALERT RESPONSE
Reasons: Arsenic
Arsenic
 
Details: SUMMARY: Arsenic over the MCL DETAILS: Called the water system contact, Melissa Walton, regarding the recent arsenic sample collected on February 21, 2018, shortly after arsenic media was added to the system and the backwash flow rate was increased. Mrs. Walton indicated that she was aware of the recent exceedance and that she would be in contact with the Mayor. She also indicated that she would also plan on notifying the consumers of the exceedance. Also, discussed possible causes of the exceedance such as the water chemistry in the source that was being used at the time of sample collection. The system collected a raw water sample at the same time as the required monthly sample so they will know the source concentration and possibly switch to a source with lower arsenic concentration or use another well for blending. ACTION NEEDED: The water system will need to determine the reason the arsenic treatment system is not removing arsenic below the MCL.
 
Associated Alerts: CHEM7880 - 02/28/2018 - ARSENIC



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