OHA Drinking Water Services
OR41
PWS ID: 94901 ---- RIVERSIDE HIGH 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
6/26/2022  7/5/2022 10 3 years 0.0023 0.420
6/13/2019  10 3 years 0 0.298
6/13/2019  6/26/2019 10 3 years 0.0020 0.298
6/9/2015  7/13/2015 10 3 years 0.0049 0.448
9/26/2013  10/22/2013 10 3 years 0.0026 0.441
9/16/2010  10/8/2010 10 3 years 0.0037 0.510
6/6/2006  6/30/2006 10 3 years 0.0020 0.430
1/1/1997  -  11/14/199712/24/1997 10 1 year 0.0070 0.550
1/1/1995  -  3/9/19953/24/1995 20 6 months 0.0070 0.790
7/1/1994  -  11/3/199411/21/1994 20 6 months 0.0040 1.000


More information for this water system: SDWIS ID 2009
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