OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details
PWS ID: OR41 00802
PWS Name: ARCH CAPE WATER DISTRICT
 
Who Was Contacted and Phone: Thomas Merrell, operator (503) 436-2790
Contact Date: 01/25/2007
Contacted By: HENRY, ROBERT (DWP)
Contact Method/Location: Field
 
Assistance Type: CIRCUIT RIDER ASSISTANCE
Reasons: N/A
N/A
 
Details: SUMMARY: Contact tracer study DETAILS: The Arch Cape Service District owns and operates a surface water treatment plant which supplies water to approximately 290 connections. The full-time population is around 200 persons, with additional part-time/seasonal residents. The treatment plant is a WaterTech pressure filter which produces approximately 70 gpm. Treated water receives calcium hypochlorite for disinfection then enters a 440,000-gallon unbaffled reservoir/clearwell. The purpose of the circuit rider involvement with Arch Cape is to provide a contact tracer study for the water treatment plant. Performed CT study data collection by increasing flow through reservoir/clearwell to peak levels while increasing chlorine dosage. Completed CT study report. ACTION NEEDED: None

More information for this water system: SDWIS ID 3909
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