OHA Drinking Water Services
OR41
PWS ID: 93728 ---- POWELL BUTTE COMMUNITY CHARTER 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
6/12/2024  6/28/2024 5 3 years 0.0016 0.084
6/11/2020  6/24/2020 5 3 years 0.0033 0.119
9/29/2017  12/15/2017 5 3 years 0.0018 0.119
8/5/2014  8/29/2014 5 3 years 0.0050 0.153
7/25/2011  7/30/2011 5 3 years 0.0045 0.069
8/12/2008  9/5/2008 5 3 years 0.0040 0.191
8/23/2005  9/21/2005 5 3 years 0.0045 0.196
7/9/2002  7/30/2002 5 3 years 0.0009 0.022
1/1/1999  -  12/22/19993/7/2000 5 1 year 0.0047 0.076
1/1/1997  -  9/30/199711/18/1997 5 1 year 0 0
1/1/1996  -  9/27/199611/8/1996 5 1 year 0.0043 0.037
7/1/1995  -  9/21/199510/13/1995 10 6 months 0.0019 0.045
1/1/1994  -  2/4/19945/6/1994 10 6 months 0.0026 0.011


More information for this water system: SDWIS ID 2923
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