OHA Drinking Water Services
OR41
PWS ID: 94894 ---- ARBOR 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
9/12/2022  9/20/2022 5 3 years 0.0030 0.293
9/17/2019  9/27/2019 5 3 years 0 0
6/10/2015  -  8/23/2016 10 3 years 0 0.155
8/23/2016  9/23/2016 5 3 years 0 0
6/10/2015  6/29/2015 5 3 years 0 0.254
6/29/2012  8/7/2012 5 3 years 0 0
6/8/2011  -  6/29/20126/23/2011 5 3 years 0 0.001
10/10/2005  10/31/2005 5 3 years 0.0012 0.163
6/18/2004  7/6/2004 5 1 year 0 0.124
1/1/1995  -  9/12/199510/2/1995 5 1 year 0.0020 0.400
1/1/1995  -  1/31/19952/13/1995 5 6 months 0.0025 0.430
7/1/1994  -  7/21/19948/2/1994 5 6 months 0.0020 0.440


More information for this water system: SDWIS ID 2101
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