OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details
PWS ID: OR41 00564
PWS Name: BAY HILLS WATER ASSOCIATION
 
Who Was Contacted and Phone: John MacKown (541) 265-3245
Contact Date: 11/20/2014
Contacted By: HENRY, ROBERT (DWP)
Contact Method/Location: Office
 
Assistance Type: CIRCUIT RIDER ASSISTANCE
Reasons: N/A
N/A
 
Details: SUMMARY: DISINFECTION BYPRODUCTS INVESTIGATION DETAILS: The Circuit Rider was contacted by the Bay Hills Water Association following a disinfection byproducts test exceeding the MCL. The August 2014 DBP test result had a TTHM result of 0.0808 mg/L (MCL is 0.080 mg/L). The water system has a relatively large reservoir for their water demand. The source water can be high in TOC and Color. Also, the system practices chlorination prior to filtration. Previously discussed methods for decreasing DBP formation, including changing coagulant, decreasing water volume in tank, discontinuing prechlorination, and providing mechanical mixing in the tank. Met with tank mixer supplier for information on a more budget minded mixer for the water system’s reservoir. ACTION NEEDED: Provide further assistance with DBP reduction procedures as needed.

More information for this water system: SDWIS ID 3977
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