OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details
PWS ID: OR41 00213
PWS Name: COQUILLE, CITY OF
 
Who Was Contacted and Phone: Tim Ellis (541) 396-4614
Contact Date: 07/26/2007
Contacted By: STRASSNER, BOB (DWP)
Contact Method/Location: Field
 
Assistance Type: CIRCUIT RIDER ASSISTANCE
Reasons: N/A
N/A
 
Details: SUMMARY: CT Tracer Study DETAILS: OHDS-DWP requested a Ct study – A study was attempted using fluoride. Some difficulties were encountered. The initial request for fluoride was from the City operators. ACTIONS PERFORMED Began sampling at the designated site to confirm base line. The C10 was measured 25 minutes into the study. Sampling continued for an additional six hours before the residual Fluoride benched off at the target residual expected of 0.80mgl. The target dose is the typical dose measured by operators at the rate was conducted under with the identical metered setting on the feed equipment in order to simulate normal operations. ACTION NEEDED: Review all data from the study in order to finalize the report for submittal to HBH for review prior to forwarding to DWP and the City of Coquille.

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