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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 91059
PWS Name:	OPRD DETROIT LAKE SP

Who Was Contacted and Phone:	Dan Faulkner (503) 854-3406
Contact Date:	11/17/2013
Contacted By:	HENRY, ROBERT (DWP)
Contact Method/Location:	Office

Assistance Type:	CIRCUIT RIDER ASSISTANCE
Reasons:	N/A N/A

Details:	SUMMARY: Chemical Feed Dosing Calculations DETAILS: The Oregon Parks and Recreation Department owns and operates a Surface Water system, which supplies drinking water to Detroit Lake and Mongold State Parks. The WTP treats water from Tumble Creek through a package coagulation/flocculation/settling and rapid-sand filtration treatment system. Circuit Rider was contacted by Dan Faulkner following a sanitary survey about providing assistance with the chemical feed system and potentially other items. Dan Faulkner requested assistance with the computation of accurate chemical feed dosages. Gathered information needed to provide accurate chemical feed dosing calculations and put together dosing spreadsheet. Completed dosage calculations to be used by park staff to verify chemical feed. ACTION NEEDED: None needed at this time.