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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00200
PWS Name:	COBURG, CITY OF

Who Was Contacted and Phone:	Jack Harris (541) 682-7856
Contact Date:	02/20/2007
Contacted By:	PARMENTER, AMY (REGION 2)
Contact Method/Location:	Letter

Assistance Type:	OTHER REGULATORY - REGULATORY ASSISTANCE
Reasons:	N/A N/A

Details:	SUMMARY: contact time/tracer study DETAILS: I spoke with Jack Harris and wrote him a letter on 2/20/07 recommending a tracer study by HBH Engineering to determine true contact time based on the recently identified new first user. He said it would be fine for HBH to do the tracer study. I also informed him that if he could/did not wish to meet the minimum required contact time, he could prove disinfection is for residual maintenance only by taking monthly coliform source samples for a year. I told Jack I would contact Bob Straussner and let him know he wanted to go ahead with the tracer study. Bob said he would call Jack to discuss the study. ACTION NEEDED: Await results of the tracer study.