OHA Drinking Water Services
OR41
PWS ID: 94923 ---- OAK HILL 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
3/17/2022  3/25/2022 5 6 months 0 0.091
10/14/2021  10/23/2021 5 6 months 0.0015 0
4/2/2021  4/8/2021 5 6 months 0 0.122
7/23/2020  5 3 years 0.0250 0.438
6/3/2017  5 3 years 0.0114 0.271
9/6/2014  5 3 years 0.0050 0.214
7/14/2011  8/3/2011 5 3 years 0 0.170
7/17/2008  8/6/2008 5 3 years 0 0.160
6/24/2005  7/5/2005 5 3 years 0 0.200
7/24/2002  8/21/2002 5 1 year 0.0037 0.548
1/1/2001  -  9/15/200110/22/2001 5 1 year 0.0096 0.276
1/1/1998  -  1/3/19981/21/1998 5 6 months 0.0023 0.160
1/1/1997  -  3/11/19974/10/1997 5 6 months 0.0012 0.484


More information for this water system: SDWIS ID 2014
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