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Water Advisory Details

PWS ID: OR41 00213
Advisory Type: Boil Water
Reason: Treatment Failure, Filtration
Area Affected: System-wide
Affected Populations: All
Begin Date: Mar 15, 2019
Date Lifted: Mar 22, 2019
Who Was Contacted: Ray Doan
Contact Phone: 541-396-4286
Details: City of Coquille is going on a boil notice due to high turbidity levels. The raw water source has high turbidity levels and the system is running out of water in the distribution system so they are going to have to produce water with very turbid raw water. Once the system has their turbidity levels down to normal levels, they will take 4 coliform samples before they lift the boil notice.

Lifted 03/22/2019:  Coquille is lifting the advisory today because the turbidity is reliably under 1.0 NTU, recent coliform results were absent, and the chlorine residual levels continue to be normal. (Interestingly, the chlorine level did not appear to be affected by this high turbidity event.) During this event, the maximum raw water turbidity was 80.0 NTU and the finished water rose to more than 5.0 NTU on March 15 but has not exceeded that threshold for the boil advisory since. (Update entered by Betsy Parry)

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