OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00712
Who Was Contacted: Mike Bollweg
Contact Phone: 541-415-1117
Contact Date: 12/01/2019
Contacted By: WRAY, JULIE (DWP)
Contact Method/Location: Field
Details: The City of Rogue River, Oregon wants to determine if they have sufficient chlorine contact time through their current water treatment plant configuration.

8/16/19 - Pre-approval report for the CT test was written and submitted to OHA for review and
8/23/19 - Russel Kazmierczak from OHA left voicemail regarding CT test pre-approval
questions and comments.
9/3/19 - HECO submitted revised CT test pre-approval per OHA's questions and comments. 9/9/19 - OHA approved revised CT test pre-approval.
9/24/19 - HECO Engineers conducted on-site consultation and observance of the CT study test.
9/25/19 - HECO Engineers re-conducted CT study test since correct chlorine dosage
amount was not implemented and the SCADA system required re-programming to adjust
minimum clearwell operating level.
10/16/19 - HECO Engineers submitted data analysis and final CT Study test report for OHA's
review and comment.

OHA has not responded to HECO Engineer's email sent on 10/15/19 regarding the final tracer study report and test results for their review and comments.

Tracer study report and test results are attached.

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