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OHA Drinking Water Services
Contact Report Details |
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| PWS ID: | OR41 00665 | ||
| PWS Name: | TUALATIN VALLEY WATER DISTRICT | ||
| Who Was Contacted and Phone: | Bill Richmond (503) 642-1511 | ||
| Contact Date: | 06/07/2017 | ||
| Contacted By: | BAIRD, GREGG (REGION 1) | ||
| Contact Method/Location: | Office | ||
| Assistance Type: | WATER QUALITY ALERT RESPONSE | ||
| Reasons: | Coliform N/A |
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| Details: | SUMMARY: Routine -positiveTC DETAILS: Bill called to report that a routine sample collected yesterday (Tuesday 6/6/17) from sample station #115 came back positive for total coliform (absent E. coli). Total chlorine residual at the time was 1.72 ppm. Three repeats will be collected today (upstream, downstream, and the original site). The Grabhorn well was not running at the time so no triggered source water sample needed. There was no suspected possible cause for the positive. ACTION NEEDED: Will wait for results of repeat samples Thursday 6/8/17 and respond accordingly. UPDATE: Bill reported thursday morning 6/8/17 that all repeats negative. No further action required. | ||
| Associated Alerts: | COLI16790 - 06/07/2017 - COLIFORM (TCR) |
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