OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00507
Who Was Contacted and Phone: Terry Saubert (541) 268-4248
Contact Date: 06/08/2011
Contacted By: KELLEY, KAREN (REGION 2)
Contact Method/Location: Office
Reasons: Disinfection Byproducts
Details: SUMMARY: 2nd quarter HAA5 above MCL. DETAILS: Called Terry Saubert to discuss the 2nd quarter HAA5 result of 0.0613 mg/L (MCL 0.060 mg/L). Terry said that the chlorine residual has to leave the plant around 1.4 mg/L free chlorine in order to maintain residual throughout the distribution, which could be a contributing factor to the HAA5 result. Terry is increasing the distribution flushing frequency to try and reduce DBP formation. ACTION NEEDED: RAA is still below the MCL. Quartery sampling will continue. No further action required at this time. Re-evaluate after 3rd quarter DBP results are in.
Associated Alerts: CHEM4899 - 06/02/2011 - TOTAL HALOACETIC ACIDS (HAA5)

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DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3969