OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 90511
PWS Name: PGE TROJAN NUCLEAR PLANT
 
Who Was Contacted: Brian Hutchins/Dean Harvey
Contact Phone: 503-266-6400
Contact Date: 10/12/2021
Contacted By: OSBORN, DANIEL (COLUMBIA COUNTY)
Contact Method/Location: Phone
 
Assistance Type: WATER QUALITY ALERT RESPONSE
Reasons: Coliform
Operations
 
Details: On 10/12 Brian Hutchins called me and said they have replaced the pump on Well 2, and also took a special sample which showed up as negative for both total coliform and e. coli.
A positive total coliform sample result did come up for a routine sample for this water system, however. I called and spoke with Dean Harvey with PGE Trojan Nuclear Plant and told him that a total of four samples are required, one "triggered" source sample at the well, and three "repeat" samples in distribution, including one of the repeat samples taken at the same tap that yielded the positive coliform result. I then forwarded the Coliform Sampling Plan template/instructions as a reference or guide for collecting those samples.
Dean also told me that although this positive total coliform sample was labeled as "Well #2", it was actually collected inside the building as a distribution sample, and is not actually a source sample.
 
Associated Alerts: COLI21527 - 10/12/2021 - COLIFORM (TCR)



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