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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00624
PWS Name:	PHILOMATH PUBLIC WORKS

Who Was Contacted and Phone:	Kevin Fear (541) 929-3579
Contact Date:	11/06/2009
Contacted By:	HENRY, ROBERT (DWP)
Contact Method/Location:	Field

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

Details:	SUMMARY: Distribution Pressure Problems DETAILS: The City of Philomath owns and operates a Surface Water System, which supplies approximately 4,610 people through 1,580 connections. Surface water from multiple sources is treated with rapid sand filters with coagulation, flocculation and chlorinated before being pumped to the reservoir. Currently Philomath has approximately 60 homes with a subdivision that can have a static water line pressure below 20 psi. With the subdivision built at nearly the same elevation as the reservoir that feeds the homes, the static pressure is very low when the booster pump station is off line. The booster pump station does not have emergency power to maintain system pressure. HBH was contacted by DWP to provide assistance with an investigation of the pressure problem in said subdivision. I visited with City to discuss the issue. Reviewed system plans and discussed failure modes with the City and DWP staff. Provided recommendations consisting of two options-- (1) installation of back up power generator to provide for continuous operation during power outages, and (2) construction of a small reservoir to gradient from the subdivision. ACTION NEEDED: None needed at this time.