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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00357
PWS Name:	GRESHAM, CITY OF

Who Was Contacted and Phone:	Dwayne Barnes (503) 618-2990
Contact Date:	10/16/2014
Contacted By:	NUSRALA, JAMES (REGION 1)
Contact Method/Location:	Office

Assistance Type:	WATER QUALITY ALERT RESPONSE
Reasons:	Coliform GWR

Details:	SUMMARY: Follow up on 10/14 Total coliform + routine DETAILS: Dwayne called on 10/15 and spoke with DWS technical services staff to review the correct number of 3 repeat samples to be collected after a 10/14 total coliform positive, E. coli absent routine sample - sample had 2.0 mg/L total chlorine residual measured. Gresham also notified its two wholesalers: Portland and Rockwood which is required under the Groundwater Rule for a TC+ routine. Dwayne notified me on 10/16 that all 3 repeat samples were coliform absent. ACTION NEEDED: No action at this time. Total coliform Maximum Contaminant Level not exceeded for Gresham, so no corrective action or public notice required. Gresham to continue to take required number of routine samples during October.

Associated Alerts:	COLI13442 - 10/15/2014 - COLIFORM (TCR)