OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00665
PWS Name: TUALATIN VALLEY WATER DISTRICT
 
Who Was Contacted and Phone: Dean Fritzke (503) 848-3038
Contact Date: 05/27/2005
Contacted By: HOFELD, EVAN (REGION 1)
Contact Method/Location: Office
 
Assistance Type: WATER QUALITY ALERT RESPONSE
Reasons: Disinfection Byproducts
N/A
 
Details: SUMMARY: Single HAA5 results from 1/27/03 above 0.060 mg/l DETAILS: I received an alert dated 05/27/05 for some HAA5 results taken 1/27/03 that were above 0.060 mg/l. DBP Stage 1 MCL for HAA5 is 0.060 mg/l based on a running annual average (RAA). RAA for 2004 and 2005 HAA5 was much less than 0.060 mg/l. ACTION NEEDED: No further action needed at this time.