OHA Drinking Water Services
Contact Report Details |
|||
PWS ID: | OR41 00708 | ||
PWS Name: | ROCKAWAY BEACH, CITY OF | ||
Who Was Contacted and Phone: | Ken Christensen | ||
Contact Date: | 12/22/2011 | ||
Contacted By: | KALISH, FRED (REGION 1) | ||
Contact Method/Location: | Office | ||
Assistance Type: | OTHER REGULATORY - REGULATORY ASSISTANCE | ||
Reasons: | Disinfection Byproducts Operations |
||
Details: | SUMMARY: Letter recd describing corrective actions for elevated DBP DETAILS: DWP received a letter from Ken describing the actions the water system was taking to address the elevated TTHM (RAA currently over MCL). The actions include: bi-monthly flushing of water lines in problem areas, daily monitoring of chlorine residuals throughout the City to keep them as low as possible, UV 254 on raw water, and preparations for a pilot study to evaluate membrane filter preformance. ACTION NEEDED: Wait for additional updates. |