OHA Drinking Water Services
Contact Report Details |
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| 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 |
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| 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 | ||