OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00062
PWS Name: YOUNGS RIVER LEWIS & CLARK WD
 
Who Was Contacted and Phone: Bill Mitchell (503) 325-4330
Contact Date: 05/16/2012
Contacted By: HOFELD, EVAN (REGION 1)
Contact Method/Location: Office
 
Assistance Type: WATER QUALITY ALERT RESPONSE
Reasons: Disinfection Byproducts
DBPs
 
Details: SUMMARY: TTHM RAA MCL from 4Q2010 RTCd DETAILS: The system exceeded the RAA MCL for TTHM for 4th quarter 2010 with a TTHM RAA of 0.081 mg/l. 4 subsequent quarters of DBP RAA in 2011 were below the MCL for both TTHM and RAA following improvements to disinfection practices and distribution system looping. A request was put forward to Brad Daniels to return the MCL violation to compliance based upon the operational changes and subsequent results. The violation was RTCd on 2/8/12, coincident with the receipt fo their 1/24/12 sample results. ACTION NEEDED: No further action needed.
 
Associated Alerts: CHEM5120 - 11/01/2011 - TOTAL HALOACETIC ACIDS (HAA5) , TTHM

CHEM5120 - 11/01/2011 - TOTAL HALOACETIC ACIDS (HAA5) , TTHM