OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00002
Who Was Contacted and Phone: Mayor Clay Webb & Council
Contact Date: 11/29/2007
Contacted By: BURNETT, GARY (DWP)
Contact Method/Location: Field
Reasons: Coliform
Details: SUMMARY: Reviewed operations and collected additional coliform samples DETAILS: The City has set the reservoir controls to reduce the volume from 200,000 gallons to 75,000 so that there is better exchange. Periodic flushing has also been on-going. Chlorine demand is still very high. About 6.0 mg/l is injected at the wellhead but the residual 600 feet downstream is reduced to about 0.3 mg/l. A total of 4 coliform samples were taken. ACTION NEEDED: All four samples were coliform - negative. All were entered as Routine and a total of 8 Routine samples were taken for November. One sample taken November 13 at the Mirage Café dishwashing sink was invalidated due to potential plumbing issues at that site. Three of the samples taken 11/29 were in the vicinity of the Mirage Café.

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