OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00063
PWS Name: WICKIUP WATER DISTRICT
 
Who Was Contacted and Phone: Dan Waterbury (503) 458-6555
Contact Date: 01/11/2012
Contacted By: HOFELD, EVAN (REGION 1)
Contact Method/Location: Office
 
Assistance Type: WATER QUALITY ALERT RESPONSE
Reasons: VOCs
VOC
 
Details: SUMMARY: Detection of Xylene and Ethylbenzene DETAILS: I received an alert for Wickup Water District regarding a detection of 0.0007 mg/l for Ethylbenzene (MCL = 0.7 mg/l) and a detection of 0.0052 mg/l for total Xylenes (MCL = 10 mg/l) from sampling completed 12/21/11 for Entry Point A at the slow sand plant. I spoke to Dan Waterbury and discussed potential sources such as contamination from ambient air during the sample and requested that a confirmation sample be taken. A confirmation sample taken 01/20/12 did not show a detection for either contaminant. Historical results of annual sampling since 1993 have shown no other detections of Ethylbenzene and only two detections of Xylenes of 0.0007 mg/l and 0.0006 mg/l in Sept and Nov 1997, respectively. I spoke to Dan on 1/27/12 and explained to him that they could resume normal annual sampling. ACTION NEEDED: No further action needed - system to resume standard annual VOC monitoring.
 
Associated Alerts: CHEM5224 - 01/11/2012 - ETHYLBENZENE , XYLENES

CHEM5224 - 01/11/2012 - ETHYLBENZENE , XYLENES



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