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OHA Drinking Water Services
Contact Report Details |
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| PWS ID: | OR41 00549 | ||
| PWS Name: | TRI-CITY JW&SA | ||
| Who Was Contacted and Phone: | Dennis Knebel (541) 863-6856 | ||
| Contact Date: | 12/20/2006 | ||
| Contacted By: | STRASSNER, BOB (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: BACKGROUND: The district has been operating at new clearwell levels and needs to establish times at these new elevated storage levels. ACTIONS PERFORMED: Met with the operator for a brief tour of the facility and discussion of the plant processes. Initial concentration leaving the plant at 27 ppd chlorine at 1500 gpm yeilds a chlorine residual of 1.498 mgl. The plant Rotometer is topped out at 50 lbs day giving is a target Boost of approximately 2.87 for an expected C 10 of 1.13 mgl. Test began 1300 and at 1338 we noted 1.47 mgl or C10. ACTION NEEDED: The completed report will follow after the holidays. Additional flowrates have been requested by the District for study. | ||