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) 741-6480
Contact Date: 08/05/2014
Contacted By: NUSRALA, JAMES (REGION 1)
Contact Method/Location: Office
 
Assistance Type: WATER QUALITY ALERT RESPONSE
Reasons: Disinfection Byproducts
N/A
 
Details: SUMMARY: Follow up on DBP exceedance over MCLs DETAILS: Spoke to Bill about July 2014 TTHM value of 0.0809 mg/L (MCl is 0.080 mg/L) and HAA5 value of 0.0604 (MCL is 0.060 mg/L). Given locational running annual average of last 4 samples is below MCLs for both TTHM and HAA5, system is in compliance, as compliance with MCL is determined by LRAA. System is in compliance with Operational Evaluation Levels for both TTHM and HAA5 as well. System to continue on quarterly monitoring for both. ACTION NEEDED: System to collect next sample at correct sample point during 4th quarter 2014 (October 2014), to continue to observe DBP compliance.
 
Associated Alerts: CHEM6392 - 08/05/2014 - TOTAL HALOACETIC ACIDS (HAA5) , TTHM

CHEM6392 - 08/05/2014 - TOTAL HALOACETIC ACIDS (HAA5) , TTHM