OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00551
PWS Name: MYRTLE POINT, CITY OF
 
Who Was Contacted and Phone: Ernie Newton (541) 572-2589
Contact Date: 08/03/2011
Contacted By: MACPHERSON, JAMES (REGION 2)
Contact Method/Location: Office
 
Assistance Type: OTHER REGULATORY - REGULATORY ASSISTANCE
Reasons: N/A
None
 
Details: SUMMARY: Taste and odor problems DETAILS: Myrtle Point called for advice on addressing taste and odor (T&O) problems. The water has a musty, earthy smell. This is most likely geosmin and/or MIB from algae. The problem started last week. The operator on staff turned up pre- and post-chlorination in response to the problem. This did not resolve the T&O. Recommend stopping pre-chlorination, while maintaining or increasing post-chlorination. Collect a source sample for algae characterization (confirm absence/presence of blue-greens). May add granular activated carbon to the top of the filters, run only at night (e.g., 10 PM to 6 AM), backwash more often. Currently filters have only 1 foot of head loss (small) and look very clean. End-users could use GAC to reduce T&O. ACTION NEEDED: none


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