OHA Drinking Water Services

OHA Drinking Water Services
Water Advisory Details

PWS ID: OR41 01167
Advisory Type: Boil Water
Reason: E. coli, Confirmed in Distribution
Area Affected: System-wide
Affected Populations: All
Begin Date: Nov 30, 2017
Date Lifted: Jan 11, 2018
Who Was Contacted: Doug Churchill
Contact Phone: 515-988-3199
Details: 11-30-17 --- Two repeat samples collected from the distribution system on 11-29-17 tested E coli + . I informed Doug Churchill that a boil water notice needs to be issued today and e mailed him the Tier 1 template. Doug informed me that the "triggered source" sample from Well #1 was actually a blended sample from Well #1 and #3. Upon hearing this I advised Doug to collect a triggered source sample from each well today: Whether or not well confirmation samples need to be collected will be determined after the results of the actual triggered source samples from each well are known. MISC NOTES: (1) SDWIS shows Well #2 as active and Well #3 as inactive. According to Doug Churchill Well #2 is inactive and Well #3 is active. (2) The longtime "op

Lifted 01/11/2018:  Sample taps have been installed at both wells: samples collected from each well on 12-27-17 tested coliform absent. Per Doug Churchill: storage tank and distribution system were shock chlorinated and the chlorine feed pump has been re-installed. Per Neilson Research: three temporary routines collected 1-5-18 tested coliform absent. Doug Churchill will be lifting the boil notice 1-11-18.

Associated Alerts: COLI17479 - 11/28/2017 - COLIFORM (TCR) , E. COLI

COLI17492 - 11/30/2017 - COLIFORM (TCR) , E. COLI

More information for this water system: SDWIS ID 59
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