OHA Drinking Water Services
OR41
PWS ID: 90582 ---- WESTERN CHRISTIAN SCHOOL
Lead & Copper

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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
9/27/2021  5 3 years 0 0.110
9/27/2021  10/5/2021 5 3 years 0.0062 0.110
9/25/2018  10/9/2018 5 3 years 0.0022 0.324
6/15/2016  7/8/2016 5 3 years 0.0013 0.277
9/23/2013  10/30/2013 5 3 years 0 0.379
8/13/2010  9/7/2010 5 3 years 0 0.255
9/26/2007  10/15/2007 5 3 years 0.0012 0.270
9/17/2004  11/2/2004 5 1 year 0 0.245
1/1/1998  -  6/12/19989/25/1998 5 1 year 0.0068 0.688
1/1/1998  -  1/29/19983/31/1998 10 6 months 0 0.263
1/1/1994  -  1/8/19941/31/1994 10 6 months 0 2.033


More information for this water system: SDWIS ID 711
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