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OHA Drinking Water Services
Contact Report Details |
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| PWS ID: | OR41 00239 | ||
| PWS Name: | LONDON WATER CO-OP | ||
| Who Was Contacted and Phone: | Jon Woodward (541) 942-1241 | ||
| Contact Date: | 10/14/2010 | ||
| 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: CT Tracer Study DETAILS: The system owns and operates a surface water system that provides water to approximately 50 people through 22 connections. Water from Beaver Creek is treated by a pressure filter/cartridge filter plant prior to disinfection with sodium hyprochlorite. The system has two 9,000 gallon reservoirs that are used for storage and for contact time. HBH was contacted by Jon Woodward to provide assistance with a contact tracer study to determine the amount of contact time in the reservoirs before the first user. The tracer study is determined by the current lack of a delivery meter following the contact reservoir. I modified tracer testing methodology based on DWP comments and performed preliminary calculations. ACTION NEEDED: Perform tracer testing. | ||