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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 05548
PWS Name:	RAINTREE ESTATES

Who Was Contacted and Phone:	Debbie Cassidy (541) 745-4415
Contact Date:	03/17/2014
Contacted By:	KRUGER, SCOTT (BENTON COUNTY)
Contact Method/Location:	Office

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

Details:	SUMMARY: Debbie Cassidy DETAILS: Raintree Estates had a positive e-coli result from a triggered source sample at well #4 on February 24th. This system does not have disinfection installed. Five confirmation samples returned positive for coliform and negative for e-coli. The system was shock chlorinated. A special sample was taken at well #4 after the shock chlorination, which returned e-coli positive. It was discovered that there was a breach in the electrical conduit which was allowing rain water run off to flow into the conduit and into the well head. I conducted a site visit on 3/14/14 to observe the issue. I conducted a second site visit to observe the repair. The electrical conduit was bypassed and a small hole drilled in the base of the bypass creating an air gap so rain run off can no longer enter the well head through the conduit. A special sample was taken at well #4 after a second shock chlorination in March and the results were negative for coliform and e-coli. A public notice was issued to the residents on March 24. The public notice was forwarded to DMCE. ACTION NEEDED: Wait for the results of five temporary routine distribution samples required before March 31st. The contract operator that samples the system states they will be taken on March 26th.