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OHA Drinking Water Services
Contact Report Details |
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| PWS ID: | OR41 00493 | ||
| PWS Name: | LYONS MEHAMA WATER DISTRICT | ||
| Who Was Contacted and Phone: | Bill Grimes (503) 859-2367 | ||
| Contact Date: | 09/29/2010 | ||
| 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 1,900 people through 840 connections. Water from the North Santiam River is treated by a slow sand filter water treatment plant prior to disinfection with gaseous chlorine. HBH was contacted by the district to provide assistance with a contact tracer study to determine the amount of contact time in the treatment plant clearwell before the first user. I met with operator at water treatment plant to determine methodology for the tracer testing. ACTION NEEDED: Develop methodology and perform tracer testing. | ||